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    "Naja nigricollis": 1118,
    "Psammophylax tritaeniatus": 1359,
    "Eunectes murinus": 694,
    "Platyceps rhodorachis": 1305,
    "Bothrops atrox": 224,
    "Micrurus pyrrhocryptus": 1076,
    "Amerotyphlops brongersmianus": 62,
    "Alsophis sibonius": 56,
    "Hemirhagerrhis nototaenia": 788,
    "Dispholidus typus": 562,
    "Rhadinaea gaigeae": 1459,
    "Xerotyphlops vermicularis": 1775,
    "Atheris ceratophora": 109,
    "Naja nivea": 1119,
    "Coluber constrictor": 358,
    "Corallus hortulana": 385,
    "Erythrolamprus zweifeli": 684,
    "Thamnophis validus": 1646,
    "Chilomeniscus stramineus": 321,
    "Ficimia olivacea": 701,
    "Tropidodipsas fasciata": 1706,
    "Coronella girondica": 388,
    "Agkistrodon russeolus": 33,
    "Leptodeira nigrofasciata": 901,
    "Lampropeltis annulata": 861,
    "Pliocercus euryzonus": 1311,
    "Sibon longifrenis": 1503,
    "Mastigodryas melanolomus": 1025,
    "Leptodeira bakeri": 898,
    "Hierophis gemonensis": 798,
    "Oxybelis aeneus": 1205,
    "Masticophis flagellum": 1013,
    "Boa constrictor": 166,
    "Eirenis modestus": 606,
    "Masticophis mentovarius": 1016,
    "Bogertophis subocularis": 177,
    "Leptophis nebulosus": 919,
    "Cemophora lineri": 300,
    "Philothamnus semivariegatus": 1280,
    "Senticolis triaspis": 1498,
    "Malayopython reticulatus": 1004,
    "Malpolon monspessulanus": 1008,
    "Daboia russelii": 464,
    "Symphimus mayae": 1567,
    "Heterodon kennerlyi": 794,
    "Urotheca decipiens": 1728,
    "Nothopsis rugosus": 1159,
    "Salvadora grahamiae": 1486,
    "Liodytes rigida": 934,
    "Indotyphlops braminus": 849,
    "Vipera darevskii": 1737,
    "Chionactis occipitalis": 323,
    "Crotalus lepidus": 417,
    "Leptophis mexicanus": 917,
    "Pseudelaphe flavirufa": 1377,
    "Nerodia sipedon": 1148,
    "Dromicodryas bernieri": 567,
    "Python molurus": 1421,
    "Cemophora coccinea": 299,
    "Phrynonax poecilonotus": 1286,
    "Imantodes tenuissimus": 847,
    "Oxyrhopus melanogenys": 1223,
    "Chironius grandisquamis": 333,
    "Afrotyphlops mucruso": 23,
    "Clelia clelia": 349,
    "Lampropeltis abnorma": 859,
    "Metlapilcoatlus olmec": 1037,
    "Elaphe dione": 615,
    "Naja savannula": 1125,
    "Chrysopelea taprobanica": 348,
    "Drymobius chloroticus": 572,
    "Elaphe quatuorlineata": 619,
    "Dendrelaphis calligaster": 482,
    "Hypsirhynchus parvifrons": 840,
    "Pantherophis spiloides": 1239,
    "Laticauda saintgironsi": 890,
    "Bothrops asper": 223,
    "Pliocercus elapoides": 1310,
    "Ovophis monticola": 1202,
    "Crotalus willardi": 443,
    "Morelia viridis": 1099,
    "Dendrelaphis marenae": 494,
    "Crotalus pyrrhus": 427,
    "Arizona pacata": 92,
    "Pseudalsophis elegans": 1364,
    "Sanzinia madagascariensis": 1492,
    "Micrurus mosquitensis": 1069,
    "Micrurus distans": 1054,
    "Hapsidophrys smaragdinus": 758,
    "Phimophis guianensis": 1283,
    "Oxybelis fulgidus": 1207,
    "Leptodrymus pulcherrimus": 911,
    "Gyalopion canum": 755,
    "Liasis olivaceus": 927,
    "Spilotes sulphureus": 1546,
    "Atheris squamigera": 112,
    "Coelognathus subradiatus": 357,
    "Python natalensis": 1422,
    "Bothrops mattogrossensis": 237,
    "Pseudalsophis occidentalis": 1367,
    "Coronella austriaca": 387,
    "Cerrophidion sasai": 308,
    "Leptodeira septentrionalis": 907,
    "Hemorrhois nummifer": 791,
    "Rena dissecta": 1430,
    "Echis pyramidum": 601,
    "Thamnophis eques": 1626,
    "Natrix natrix": 1137,
    "Chrysopelea pelias": 347,
    "Bothrops pauloensis": 243,
    "Python bivittatus": 1418,
    "Plagiopholis nuchalis": 1298,
    "Lamprophis aurora": 883,
    "Crotalus morulus": 421,
    "Alsophis rufiventris": 55,
    "Xenodon rabdocephalus": 1765,
    "Simalia kinghorni": 1513,
    "Crotalus pricei": 425,
    "Heterodon simus": 797,
    "Antaresia childreni": 77,
    "Coniophanes piceivittis": 368,
    "Python sebae": 1424,
    "Lachesis stenophrys": 858,
    "Ophryacus smaragdinus": 1191,
    "Apostolepis dimidiata": 86,
    "Epicrates cenchria": 641,
    "Erythrolamprus reginae": 677,
    "Psammophis subtaeniatus": 1353,
    "Cerrophidion wilsoni": 310,
    "Leptophis coeruleodorsus": 913,
    "Erythrolamprus poecilogyrus": 673,
    "Carphophis vermis": 293,
    "Thamnophis sirtalis": 1643,
    "Natrix tessellata": 1138,
    "Imantodes cenchoa": 842,
    "Trimorphodon biscutatus": 1696,
    "Vipera ammodytes": 1734,
    "Trimorphodon lambda": 1697,
    "Vipera berus": 1736,
    "Imantodes gemmistratus": 844,
    "Dendrelaphis ngansonensis": 496,
    "Eryx jaculus": 687,
    "Heterodon nasicus": 795,
    "Macrovipera lebetinus": 998,
    "Pituophis melanoleucus": 1295,
    "Tropidolaemus wagleri": 1714,
    "Oocatochus rufodorsatus": 1187,
    "Ithycyphus miniatus": 852,
    "Tantilla bocourti": 1580,
    "Lampropeltis alterna": 860,
    "Hebius vibakari": 772,
    "Madagascarophis colubrinus": 1000,
    "Rhinocheilus antonii": 1475,
    "Stenorrhina freminvillei": 1550,
    "Gloydius halys": 739,
    "Lytorhynchus paradoxus": 991,
    "Crotalus tzabcan": 440,
    "Cubophis caymanus": 453,
    "Crotalus aquilus": 403,
    "Elaphe sauromates": 620,
    "Cerastes vipera": 303,
    "Dendrophidion vinitor": 522,
    "Dipsas catesbyi": 540,
    "Thamnophis marcianus": 1632,
    "Micrurus annellatus": 1044,
    "Thelotornis kirtlandii": 1651,
    "Suta suta": 1565,
    "Brachyurophis incinctus": 253,
    "Hydrophis platurus": 822,
    "Trimorphodon quadruplex": 1700,
    "Atheris chlorechis": 110,
    "Xenodon merremii": 1762,
    "Oligodon purpurascens": 1178,
    "Craspedocephalus trigonocephalus": 399,
    "Laticauda colubrina": 887,
    "Sibon nebulatus": 1504,
    "Ptyas korros": 1412,
    "Sibon sanniolus": 1505,
    "Brachyurophis approximans": 250,
    "Hypnale nepa": 829,
    "Philothamnus angolensis": 1271,
    "Anilios nigrescens": 73,
    "Echiopsis curta": 594,
    "Rhinoplocephalus bicolor": 1480,
    "Naja sumatrana": 1129,
    "Bothrops ammodytoides": 222,
    "Lycodon striatus": 969,
    "Natrix maura": 1136,
    "Oligodon barroni": 1164,
    "Lampropeltis splendida": 880,
    "Rhabdophis tigrinus": 1452,
    "Crotalus atrox": 405,
    "Aipysurus laevis": 50,
    "Hypsiglena jani": 833,
    "Phrynonax polylepis": 1287,
    "Pituophis catenifer": 1292,
    "Hypnale hypnale": 828,
    "Vipera eriwanensis": 1739,
    "Tropidodipsas sartorii": 1709,
    "Coniophanes meridanus": 367,
    "Bitis arietans": 154,
    "Masticophis fuliginosus": 1014,
    "Dendrelaphis pictus": 499,
    "Chironius bicarinatus": 324,
    "Rhabdophis nigrocinctus": 1446,
    "Telescopus fallax": 1608,
    "Acrantophis dumerili": 11,
    "Amphiesma stolatum": 66,
    "Tantilla yaquia": 1603,
    "Stenorrhina degenhardtii": 1549,
    "Dipsas indica": 546,
    "Gloydius ussuriensis": 743,
    "Lycognathophis seychellensis": 980,
    "Lygophis anomalus": 985,
    "Naja kaouthia": 1113,
    "Philothamnus occidentalis": 1278,
    "Thelotornis capensis": 1650,
    "Cacophis churchilli": 263,
    "Psammodynastes pulverulentus": 1334,
    "Oligodon taeniatus": 1182,
    "Dendroaspis angusticeps": 510,
    "Porthidium nasutum": 1316,
    "Chironius multiventris": 338,
    "Micrurus alleni": 1041,
    "Boiga trigonata": 200,
    "Cerberus rynchops": 305,
    "Trimorphodon lyrophanes": 1698,
    "Acanthophis antarcticus": 0,
    "Chironius exoletus": 327,
    "Crotalus enyo": 414,
    "Euprepiophis mandarinus": 697,
    "Crotalus totonacus": 437,
    "Pantherophis bairdi": 1233,
    "Leptodeira annulata": 896,
    "Fowlea piscator": 711,
    "Scolecophis atrocinctus": 1497,
    "Trimeresurus gumprechti": 1668,
    "Xenopeltis unicolor": 1769,
    "Crotalus scutulatus": 430,
    "Acrochordus arafurae": 13,
    "Rhinocheilus lecontei": 1476,
    "Cerastes cerastes": 301,
    "Phyllorhynchus decurtatus": 1290,
    "Thamnophis fulvus": 1628,
    "Lampropeltis mexicana": 872,
    "Pareas geminatus": 1248,
    "Lycodon laoensis": 959,
    "Cubophis vudii": 454,
    "Masticophis bilineatus": 1012,
    "Lampropeltis leonis": 871,
    "Crotalus molossus": 420,
    "Dolichophis jugularis": 564,
    "Opheodrys vernalis": 1189,
    "Pantherophis ramspotti": 1237,
    "Lycodon carinatus": 952,
    "Chironius laevicollis": 334,
    "Corallus annulatus": 380,
    "Tantilla atriceps": 1579,
    "Naja naja": 1116,
    "Thamnophis saurita": 1640,
    "Hydrophis curtus": 814,
    "Orientocoluber spinalis": 1199,
    "Cubophis cantherigerus": 452,
    "Xenodon pulcher": 1764,
    "Caraiba andreae": 291,
    "Psammophis trinasalis": 1357,
    "Lycodon rufozonatus": 965,
    "Demansia vestigiata": 479,
    "Philothamnus natalensis": 1277,
    "Philodryas patagoniensis": 1267,
    "Demansia psammophis": 474,
    "Telescopus semiannulatus": 1609,
    "Elaphe taeniura": 622,
    "Brachyurophis australis": 251,
    "Rhinobothryum lentiginosum": 1474,
    "Erythrolamprus jaegeri": 665,
    "Brachyurophis semifasciatus": 255,
    "Afrotyphlops bibronii": 21,
    "Crotalus durissus": 412,
    "Thamnodynastes hypoconia": 1612,
    "Crotalus campbelli": 407,
    "Leptophis ahaetulla": 912,
    "Lampropeltis gentilis": 866,
    "Chilabothrus striatus": 318,
    "Dendrelaphis haasi": 491,
    "Pantherophis slowinskii": 1238,
    "Corallus batesii": 381,
    "Gloydius brevicauda": 737,
    "Charina umbratica": 312,
    "Cerrophidion tzotzilorum": 309,
    "Malpolon insignitus": 1006,
    "Nerodia cyclopion": 1141,
    "Eryx whitakeri": 692,
    "Helicops apiaka": 774,
    "Conophis lineatus": 371,
    "Boiga cynodon": 183,
    "Ovophis makazayazaya": 1201,
    "Oxyrhopus petolarius": 1225,
    "Vipera renardi": 1746,
    "Trimorphodon vilkinsonii": 1702,
    "Crotalus catalinensis": 408,
    "Eunectes notaeus": 695,
    "Nerodia paucimaculata": 1146,
    "Limaformosa capensis": 930,
    "Nerodia floridana": 1144,
    "Thamnophis rufipunctatus": 1639,
    "Boiga multomaculata": 194,
    "Leptodeira rhombifera": 905,
    "Crotalus cerastes": 409,
    "Bitis gabonica": 159,
    "Boiga nigriceps": 195,
    "Spilotes pullatus": 1545,
    "Regina septemvittata": 1428,
    "Crotalus armstrongi": 404,
    "Furina tristis": 715,
    "Bothriechis schlegelii": 211,
    "Ahaetulla prasina": 47,
    "Lycodon davisonii": 953,
    "Corallus blombergi": 382,
    "Rhadinaea laureata": 1461,
    "Elaphe anomala": 610,
    "Boa imperator": 167,
    "Lampropeltis getula": 867,
    "Hypsiscopus plumbea": 841,
    "Dendrelaphis inornatus": 492,
    "Leptodeira uribei": 910,
    "Mastigodryas pulchriceps": 1027,
    "Enulius flavitorques": 638,
    "Storeria hidalgoensis": 1552,
    "Urotheca guentheri": 1730,
    "Manolepis putnami": 1009,
    "Trachyboa boulengeri": 1657,
    "Urotheca lateristriga": 1731,
    "Gloydius intermedius": 741,
    "Elapsoidea nigra": 630,
    "Xenoxybelis argenteus": 1772,
    "Helicops angulatus": 773,
    "Natriciteres olivacea": 1132,
    "Sinomicrurus macclellandi": 1520,
    "Elapsoidea loveridgei": 629,
    "Pantherophis obsoletus": 1236,
    "Psammophis crucifer": 1340,
    "Naja siamensis": 1126,
    "Coniophanes imperialis": 365,
    "Aspidelaps lubricus": 95,
    "Masticophis schotti": 1017,
    "Thamnosophis lateralis": 1649,
    "Sonora semiannulata": 1540,
    "Boaedon fuliginosus": 172,
    "Gonyosoma boulengeri": 746,
    "Xenodon neuwiedii": 1763,
    "Calliophis bivirgatus": 279,
    "Dendrelaphis striatus": 502,
    "Lycodon subcinctus": 971,
    "Sistrurus miliarius": 1529,
    "Ficimia publia": 702,
    "Acanthophis praelongus": 3,
    "Dendrelaphis tristis": 506,
    "Pseudoxenodon macrops": 1402,
    "Sibon annulatus": 1499,
    "Chironius fuscus": 331,
    "Chironius scurrulus": 340,
    "Micrurus surinamensis": 1081,
    "Pseudoboa coronata": 1379,
    "Ahaetulla oxyrhyncha": 46,
    "Sanzinia volontany": 1493,
    "Candoia paulsoni": 289,
    "Erythrolamprus breviceps": 660,
    "Pseudoeryx plicatilis": 1385,
    "Lichanura orcutti": 928,
    "Dendrophidion paucicarinatum": 520,
    "Xenodermus javanicus": 1758,
    "Drysdalia rhodogaster": 586,
    "Dipsas variegata": 557,
    "Corallus ruschenbergerii": 386,
    "Chionactis annulata": 322,
    "Crotalus ornatus": 423,
    "Geophis hoffmanni": 725,
    "Hydromorphus concolor": 811,
    "Hydrophis coggeri": 813,
    "Lachesis muta": 857,
    "Bitis nasicornis": 160,
    "Fordonia leucobalia": 704,
    "Fowlea flavipunctatus": 708,
    "Siphlophis compressus": 1524,
    "Lampropeltis zonata": 882,
    "Zamenis longissimus": 1780,
    "Simalia amethistina": 1512,
    "Vipera latastei": 1742,
    "Boiga irregularis": 189,
    "Crotalus culminatus": 411,
    "Mimophis occultus": 1085,
    "Trimeresurus popeiorum": 1678,
    "Psammophis lineolatus": 1345,
    "Naja oxiana": 1120,
    "Rhabdophis plumbicolor": 1447,
    "Lampropeltis nigra": 875,
    "Sistrurus tergeminus": 1530,
    "Sibon dimidiatus": 1502,
    "Epictia ater": 645,
    "Micrurus nigrocinctus": 1072,
    "Naja annulata": 1107,
    "Dendrelaphis formosus": 487,
    "Dryophiops rubescens": 578,
    "Mastigodryas cliftoni": 1021,
    "Geophis latifrontalis": 726,
    "Bothriechis guifarroi": 206,
    "Helicops danieli": 776,
    "Natriciteres variegata": 1133,
    "Pseudoleptodeira latifasciata": 1388,
    "Duberria variegata": 589,
    "Hierophis viridiflavus": 799,
    "Salvadora deserticola": 1485,
    "Protobothrops elegans": 1327,
    "Natrix astreptophora": 1134,
    "Deinagkistrodon acutus": 470,
    "Vipera aspis": 1735,
    "Pseudonaja modesta": 1394,
    "Erythrolamprus miliaris": 669,
    "Hypsiglena ochrorhynchus": 834,
    "Ahaetulla isabellina": 41,
    "Cylindrophis jodiae": 457,
    "Oxyrhopus clathratus": 1217,
    "Rhabdophis subminiatus": 1450,
    "Thamnodynastes pallidus": 1613,
    "Tachymenis chilensis": 1571,
    "Spalerosophis diadema": 1543,
    "Echis khosatzkii": 597,
    "Loxocemus bicolor": 946,
    "Eryx jayakari": 688,
    "Dasypeltis scabra": 469,
    "Mimophis mahfalensis": 1084,
    "Notechis scutatus": 1158,
    "Pseudechis guttatus": 1373,
    "Chrysopelea ornata": 345,
    "Chersodromus liebmanni": 313,
    "Tropidonophis mairii": 1715,
    "Boiga ceylonensis": 181,
    "Chironius maculoventris": 336,
    "Bitis rubida": 163,
    "Bothrops jararaca": 232,
    "Chironius laurenti": 335,
    "Dendrophidion bivittatus": 515,
    "Xenochrophis vittatus": 1757,
    "Tantilla armillata": 1578,
    "Naja haje": 1112,
    "Imantodes lentiferus": 846,
    "Craspedocephalus peltopelor": 395,
    "Dipsas andiana": 535,
    "Echis coloratus": 596,
    "Dipsas temporalis": 553,
    "Pseudechis australis": 1370,
    "Hebius khasiensis": 764,
    "Masticophis taeniatus": 1018,
    "Oligodon cinereus": 1168,
    "Thamnophis melanogaster": 1633,
    "Bothrocophias hyoprora": 216,
    "Atractus paraguayensis": 138,
    "Thamnodynastes strigatus": 1615,
    "Mastigodryas dorsalis": 1023,
    "Lycodon aulicus": 949,
    "Trimeresurus macrops": 1674,
    "Lampropeltis elapsoides": 864,
    "Salvadora hexalepis": 1487,
    "Ninia sebae": 1156,
    "Dendrelaphis punctulatus": 500,
    "Ptyas major": 1413,
    "Crotalus oreganus": 422,
    "Crotalus simus": 431,
    "Pseudalsophis hoodensis": 1366,
    "Cerrophidion godmani": 307,
    "Arizona elegans": 91,
    "Porthidium porrasi": 1318,
    "Chironius monticola": 337,
    "Dipsas bicolor": 537,
    "Crotalus mitchellii": 419,
    "Crotalus cerberus": 410,
    "Lampropeltis calligaster": 863,
    "Pituophis deppei": 1293,
    "Dipsas mikanii": 547,
    "Porthidium yucatanicum": 1319,
    "Candoia bibroni": 287,
    "Nerodia clarkii": 1140,
    "Bungarus multicinctus": 261,
    "Anilius scytale": 76,
    "Rena humilis": 1432,
    "Natrix helvetica": 1135,
    "Dendrophidion percarinatum": 521,
    "Psammophylax rhombeatus": 1358,
    "Vipera walser": 1750,
    "Tantilla cucullata": 1585,
    "Protobothrops jerdonii": 1329,
    "Trimeresurus vogeli": 1688,
    "Calamaria pavimentata": 274,
    "Tantilla wilcoxi": 1602,
    "Micrurus mipartitus": 1068,
    "Epictia resetari": 652,
    "Platyceps najadum": 1303,
    "Oxyrhabdium modestum": 1216,
    "Suta dwyeri": 1557,
    "Pseudoboa nigra": 1381,
    "Xenochrophis maculatus": 1755,
    "Bothrops brazili": 226,
    "Psammophis namibensis": 1347,
    "Leioheterodon geayi": 892,
    "Acanthophis rugosus": 5,
    "Simalia tracyae": 1514,
    "Sibynophis subpunctatus": 1510,
    "Laticauda laticaudata": 889,
    "Metlapilcoatlus mexicanus": 1034,
    "Adelphicos quadrivirgatum": 17,
    "Atretium schistosum": 149,
    "Trimeresurus venustus": 1687,
    "Causus rhombeatus": 298,
    "Oligodon arnensis": 1163,
    "Dendroaspis polylepis": 512,
    "Micrurus frontalis": 1059,
    "Bitis peringueyi": 161,
    "Tropidophis melanurus": 1719,
    "Cerberus schneiderii": 306,
    "Erythrolamprus typhlus": 681,
    "Micrurus diastema": 1052,
    "Storeria dekayi": 1551,
    "Ptyas carinata": 1408,
    "Trimeresurus flavomaculatus": 1666,
    "Bothrops punctatus": 247,
    "Vipera nikolskii": 1745,
    "Causus maculatus": 296,
    "Erythrolamprus semiaureus": 679,
    "Dipsas sanctijoannis": 551,
    "Hypsiglena tanzeri": 836,
    "Thamnophis elegans": 1625,
    "Helicops leopardinus": 778,
    "Drymarchon corais": 569,
    "Montivipera xanthina": 1094,
    "Fowlea melanzostus": 710,
    "Lichanura trivirgata": 929,
    "Lycodon orientalis": 963,
    "Protobothrops sieversorum": 1331,
    "Hypsiglena chlorophaea": 832,
    "Pseudonaja mengdeni": 1393,
    "Gonyosoma oxycephalum": 750,
    "Trimerodytes annularis": 1691,
    "Tropidolaemus subannulatus": 1713,
    "Sonora aemula": 1531,
    "Taeniophallus occipitalis": 1577,
    "Oxybelis brevirostris": 1206,
    "Sibon argus": 1501,
    "Drymarchon couperi": 570,
    "Thamnophis radix": 1637,
    "Farancia abacura": 698,
    "Ninia atrata": 1150,
    "Drymarchon melanurus": 571,
    "Tantilla planiceps": 1593,
    "Urotheca fulviceps": 1729,
    "Furina ornata": 714,
    "Psammodynastes pictus": 1333,
    "Tretanorhinus nigroluteus": 1658,
    "Calamaria gervaisii": 269,
    "Porthidium lansbergii": 1315,
    "Hydrophis elegans": 816,
    "Ahaetulla farnsworthi": 38,
    "Opisthotropis andersonii": 1193,
    "Atractus crassicaudatus": 121,
    "Micrurus browni": 1046,
    "Drymoluber dichrous": 576,
    "Chironius carinatus": 326,
    "Lycodon fasciatus": 955,
    "Vipera kaznakovi": 1741,
    "Pareas carinatus": 1245,
    "Coelognathus erythrurus": 353,
    "Dolichophis caspius": 563,
    "Micrurus corallinus": 1050,
    "Psammophis notostictus": 1348,
    "Hydrodynastes gigas": 810,
    "Psammophis orientalis": 1349,
    "Morelia imbricata": 1097,
    "Erythrolamprus aesculapii": 657,
    "Bungarus fasciatus": 259,
    "Rhinotyphlops lalandei": 1481,
    "Xenodon semicinctus": 1766,
    "Nerodia erythrogaster": 1142,
    "Boiga dendrophila": 184,
    "Thamnophis cyrtopsis": 1624,
    "Virginia valeriae": 1751,
    "Storeria occipitomaculata": 1553,
    "Acrantophis madagascariensis": 12,
    "Laticauda semifasciata": 891,
    "Trimeresurus phuketensis": 1677,
    "Oxyrhopus vanidicus": 1228,
    "Bitis atropos": 156,
    "Lampropeltis extenuata": 865,
    "Brachyurophis fasciolatus": 252,
    "Psammophis punctulatus": 1351,
    "Dromicodryas quadrilineatus": 568,
    "Crotaphopeltis hotamboeia": 444,
    "Boaedon capensis": 171,
    "Morelia azurea": 1095,
    "Hypsirhynchus ferox": 839,
    "Bothrops taeniatus": 248,
    "Hebius monticola": 766,
    "Oligodon fasciolatus": 1172,
    "Drepanoides anomalus": 566,
    "Agkistrodon piscivorus": 32,
    "Leioheterodon modestus": 894,
    "Bothrops moojeni": 238,
    "Leptodeira polysticta": 903,
    "Antaresia maculosa": 78,
    "Bothrops diporus": 228,
    "Afrotyphlops schlegelii": 25,
    "Ophiophagus hannah": 1190,
    "Dendrelaphis girii": 489,
    "Erythrolamprus juliae": 666,
    "Thamnophis atratus": 1616,
    "Elapomorphus quinquelineatus": 627,
    "Madagascarophis ocellatus": 1002,
    "Demansia rufescens": 477,
    "Macrovipera schweizeri": 999,
    "Trimeresurus sumatranus": 1686,
    "Eryx conicus": 686,
    "Oreocryptophis porphyraceus": 1198,
    "Thamnophis scalaris": 1641,
    "Thamnophis hammondii": 1630,
    "Morelia spilota": 1098,
    "Aparallactus lunulatus": 82,
    "Pareas komaii": 1250,
    "Coniophanes fissidens": 364,
    "Trimeresurus cardamomensis": 1664,
    "Vipera transcaucasiana": 1748,
    "Montivipera raddei": 1093,
    "Calliophis nigrescens": 283,
    "Naja atra": 1110,
    "Pantherophis emoryi": 1234,
    "Scaphiodontophis annulatus": 1495,
    "Epicrates assisi": 640,
    "Echis omanensis": 600,
    "Ninia espinali": 1152,
    "Philodryas olfersii": 1266,
    "Elaphe carinata": 612,
    "Euprepiophis conspicillata": 696,
    "Bothriechis marchi": 208,
    "Thamnophis brachystoma": 1618,
    "Trimeresurus stejnegeri": 1685,
    "Hebius boulengeri": 760,
    "Sibynophis chinensis": 1506,
    "Bothrocophias campbelli": 215,
    "Geophis bellus": 720,
    "Rhabdophis chrysargoides": 1437,
    "Conopsis biserialis": 374,
    "Thelotornis usambaricus": 1653,
    "Heterodon platirhinos": 796,
    "Erythrolamprus bizona": 659,
    "Hebius sarawacensis": 770,
    "Charina bottae": 311,
    "Micrurus lemniscatus": 1066,
    "Pseudonaja aspidorhyncha": 1390,
    "Bitis xeropaga": 165,
    "Bitis schneideri": 164,
    "Uropeltis macrolepis": 1726,
    "Rhadinaea hesperia": 1460,
    "Lampropeltis greeri": 868,
    "Erythrolamprus melanotus": 668,
    "Pseudonaja textilis": 1396,
    "Dendrelaphis kopsteini": 493,
    "Dipsas brevifacies": 538,
    "Dendrophidion clarkii": 517,
    "Drymobius margaritiferus": 573,
    "Hemiaspis damelii": 784,
    "Crotalus basiliscus": 406,
    "Zamenis scalaris": 1782,
    "Homoroselaps lacteus": 803,
    "Liophidium torquatum": 939,
    "Aparallactus capensis": 80,
    "Anilios australis": 68,
    "Salvadora mexicana": 1491,
    "Trimeresurus albolabris": 1662,
    "Lycodon travancoricus": 972,
    "Elapsoidea semiannulata": 631,
    "Crotalus adamanteus": 402,
    "Causus defilippii": 294,
    "Atractus dunni": 123,
    "Enhydris enhydris": 635,
    "Rhadinaea decorata": 1457,
    "Thelotornis mossambicanus": 1652,
    "Chlorosoma viridissimum": 344,
    "Lycodonomorphus rufulus": 977,
    "Micrurus multifasciatus": 1070,
    "Naja anchietae": 1106,
    "Hemiaspis signata": 785,
    "Emydocephalus ijimae": 634,
    "Paraphimophis rusticus": 1241,
    "Lycophidion capense": 982,
    "Acrochordus granulatus": 14,
    "Hemachatus haemachatus": 783,
    "Dendrophidion dendrophis": 518,
    "Naja mossambica": 1115,
    "Haldea striatula": 757,
    "Helicops pastazae": 780,
    "Mastigodryas boddaerti": 1020,
    "Boiga drapiezii": 185,
    "Hemorrhois hippocrepis": 790,
    "Diadophis punctatus": 525,
    "Ficimia streckeri": 703,
    "Lygophis lineatus": 988,
    "Craspedocephalus gramineus": 392,
    "Rhadinella godmani": 1466,
    "Psammophis schokari": 1352,
    "Platyceps collaris": 1300,
    "Epictia tenella": 653,
    "Tantilla gracilis": 1588,
    "Lytorhynchus diadema": 990,
    "Philothamnus hoplogaster": 1274,
    "Lampropeltis californiae": 862,
    "Echis carinatus": 595,
    "Ptyas mucosa": 1414,
    "Dipsas articulata": 536,
    "Salvadora lemniscata": 1489,
    "Ptyas fusca": 1411,
    "Oligodon taeniolatus": 1183,
    "Dipsas trinitatis": 555,
    "Rhamphiophis rostratus": 1471,
    "Crotalus ruber": 429,
    "Farancia erytrogramma": 699,
    "Xenocalamus bicolor": 1753,
    "Lampropeltis micropholis": 873,
    "Leptophis depressirostris": 915,
    "Tantilla relicta": 1594,
    "Trimeresurus erythrurus": 1665,
    "Lycodonomorphus inornatus": 975,
    "Epicrates alvarezi": 639,
    "Thamnophis sumichrasti": 1644,
    "Micrurus fulvius": 1060,
    "Psammophis brevirostris": 1339,
    "Trimeresurus sabahi": 1681,
    "Rena dulcis": 1431,
    "Pantherophis alleghaniensis": 1232,
    "Vipera dinniki": 1738,
    "Sistrurus catenatus": 1528,
    "Chrysopelea paradisi": 346,
    "Micrurus tener": 1082,
    "Erythrolamprus mimus": 670,
    "Micruroides euryxanthus": 1040,
    "Bungarus flaviceps": 260,
    "Micrurus ephippifer": 1058,
    "Crotalus horridus": 415,
    "Atractus latifrons": 128,
    "Boiga cyanea": 182,
    "Fowlea asperrimus": 706,
    "Vipera ursinii": 1749,
    "Tantilla nigriceps": 1592,
    "Lycodon semicarinatus": 967,
    "Thamnophis errans": 1627,
    "Naja subfulva": 1128,
    "Protobothrops mucrosquamatus": 1330,
    "Nerodia harteri": 1145,
    "Naja nigricincta": 1117,
    "Lampropeltis knoblochi": 870,
    "Liopholidophis dolicocercus": 940,
    "Crotalus tortugensis": 436,
    "Xenodon severus": 1767,
    "Hebius sauteri": 771,
    "Tantilla melanocephala": 1590,
    "Philodryas aestiva": 1261,
    "Micrurus sangilensis": 1078,
    "Helicops infrataeniatus": 777,
    "Crotalus intermedius": 416,
    "Chironius brazili": 325,
    "Amblyodipsas polylepis": 61,
    "Dieurostus dussumieri": 530,
    "Tropidodipsas fischeri": 1707,
    "Acanthophis wellsi": 6,
    "Helicops polylepis": 781,
    "Leptotyphlops conjunctus": 920,
    "Phalotris nasutus": 1259,
    "Trimeresurus insularis": 1671,
    "Atractaspis bibronii": 113,
    "Chironius flavolineatus": 328,
    "Trimorphodon paucimaculatus": 1699,
    "Dendrelaphis caudolineatus": 483,
    "Anilios grypus": 71,
    "Mastigodryas danieli": 1022,
    "Pituophis lineaticollis": 1294,
    "Naja annulifera": 1108,
    "Eryx johnii": 689,
    "Philodryas psammophidea": 1268,
    "Pseudalsophis biserialis": 1362,
    "Myrrophis bennettii": 1104,
    "Ahaetulla sahyadrensis": 48,
    "Oxyrhopus rhombifer": 1226,
    "Rhabdophis chrysargos": 1438,
    "Sonora michoacanensis": 1535,
    "Erythrolamprus epinephalus": 664,
    "Bitis caudalis": 157,
    "Calloselasma rhodostoma": 285,
    "Lamprophis guttatus": 885,
    "Dendrelaphis schokari": 501,
    "Trimerodytes percarinatus": 1693,
    "Pareas macularius": 1251,
    "Pseudoxyrhopus tritaeniatus": 1404,
    "Philodryas baroni": 1263,
    "Eryx miliaris": 690,
    "Tantilla coronata": 1584,
    "Pituophis vertebralis": 1297,
    "Homalopsis buccata": 800,
    "Pareas formosensis": 1247,
    "Atractus werneri": 147,
    "Leptophis diplotropis": 916,
    "Nerodia rhombifer": 1147,
    "Dendrelaphis cyanochloris": 486,
    "Austrelaps ramsayi": 151,
    "Siphlophis cervinus": 1523,
    "Phyllorhynchus browni": 1289,
    "Thamnophis butleri": 1619,
    "Amerotyphlops reticulatus": 64,
    "Liasis mackloti": 926,
    "Rhabdophis himalayanus": 1442,
    "Clonophis kirtlandii": 352,
    "Suta punctata": 1563,
    "Candoia carinata": 288,
    "Aplopeltura boa": 83,
    "Opisthotropis lateralis": 1196,
    "Oligodon albocinctus": 1161,
    "Thamnophis proximus": 1635,
    "Lampropeltis pyromelana": 877,
    "Tantilla calamarina": 1582,
    "Pseudalsophis steindachneri": 1368,
    "Coniophanes schmidti": 370,
    "Ovophis okinavensis": 1203,
    "Demansia reticulata": 476,
    "Crotalus polystictus": 424,
    "Amblyodipsas microphthalma": 60,
    "Ahaetulla fasciolata": 39,
    "Platyceps ventromaculatus": 1307,
    "Dipsas tenuissima": 554,
    "Tantillita canula": 1604,
    "Prosymna sundevalli": 1325,
    "Asthenodipsas vertebralis": 108,
    "Pantherophis guttatus": 1235,
    "Trimeresurus guoi": 1669,
    "Duberria lutrix": 587,
    "Adelphicos nigrilatum": 16,
    "Ahaetulla borealis": 36,
    "Zamenis situla": 1783,
    "Lycodon capucinus": 951,
    "Hemorrhois ravergieri": 792,
    "Namibiana occidentalis": 1131,
    "Dasypeltis inornata": 467,
    "Prosymna stuhlmanni": 1324,
    "Hydrophis schistosus": 823,
    "Lycodryas pseudogranuliceps": 979,
    "Oxyrhopus guibei": 1221,
    "Hebius beddomei": 759,
    "Ptyas semicarinata": 1417,
    "Bothriechis nigroviridis": 209,
    "Bungarus caeruleus": 256,
    "Craspedocephalus puniceus": 396,
    "Macroprotodon mauritanicus": 997,
    "Hoplocephalus bitorquatus": 804,
    "Atractus elaps": 124,
    "Chironius flavopictus": 329,
    "Epictia munoai": 650,
    "Daboia palaestinae": 463,
    "Carphophis amoenus": 292,
    "Coelognathus radiatus": 356,
    "Ninia diademata": 1151,
    "Bitis armata": 155,
    "Metlapilcoatlus indomitus": 1033,
    "Rhadinaea flavilata": 1458,
    "Acanthophis cryptamydros": 1,
    "Langaha madagascariensis": 886,
    "Leptotyphlops scutifrons": 923,
    "Hydrophis major": 819,
    "Eunectes beniensis": 693,
    "Ptyas multicincta": 1415,
    "Rhadinella kinkelini": 1467,
    "Bothrops jonathani": 234,
    "Regina grahamii": 1427,
    "Crotalus tlaloci": 435,
    "Dasypeltis medici": 468,
    "Pseudocerastes persicus": 1383,
    "Boiga kraepelini": 191,
    "Gonyosoma jansenii": 749,
    "Pantherophis vulpinus": 1240,
    "Crotalus stephensi": 433,
    "Lampropeltis triangulum": 881,
    "Bothrops bilineatus": 225,
    "Opheodrys aestivus": 1188,
    "Protobothrops flavoviridis": 1328,
    "Tantilla capistrata": 1583,
    "Trimerodytes balteatus": 1692,
    "Hebius miyajimae": 765,
    "Pseudelaphe phaescens": 1378,
    "Agkistrodon conanti": 28,
    "Meizodon semiornatus": 1029,
    "Agkistrodon laticinctus": 31,
    "Gloydius blomhoffii": 736,
    "Porthidium ophryomegas": 1317,
    "Tantilla rubra": 1596,
    "Leptodeira punctata": 904,
    "Dipsas gracilis": 545,
    "Thamnophis scaliger": 1642,
    "Ninia maculata": 1154,
    "Gloydius himalayanus": 740,
    "Vipera monticola": 1744,
    "Demansia torquata": 478,
    "Lycodon ruhstrati": 966,
    "Lycodon liuchengchaoi": 960,
    "Protobothrops cornutus": 1326,
    "Asthenodipsas laevis": 104,
    "Ophryacus undulatus": 1192,
    "Chironius septentrionalis": 341,
    "Python brongersmai": 1420,
    "Micrurus hippocrepis": 1062,
    "Rhadinella montecristi": 1468,
    "Pseudoboa neuwiedii": 1380,
    "Epicrates maurus": 643,
    "Liodytes alleni": 932,
    "Geophis dubius": 723,
    "Thamnophis gigas": 1629,
    "Dendrelaphis grandoculis": 490,
    "Crotalus viridis": 442,
    "Dendroaspis viridis": 513,
    "Rena segrega": 1434,
    "Clelia scytalina": 351,
    "Cerastes gasperettii": 302,
    "Psammophis leopardinus": 1343,
    "Macrelaps microlepidotus": 993,
    "Echis leucogaster": 598,
    "Calliophis maculiceps": 281,
    "Leptodeira splendida": 908,
    "Boiga melanota": 192,
    "Storeria storerioides": 1554,
    "Geophis petersii": 729,
    "Pseudagkistrodon rudis": 1361,
    "Boiga forsteni": 187,
    "Ninia psephota": 1155,
    "Dendroaspis jamesoni": 511,
    "Acanthophis laevis": 2,
    "Drysdalia coronoides": 584,
    "Conopsis lineata": 375,
    "Thamnosophis infrasignatus": 1648,
    "Calliophis intestinalis": 280,
    "Hoplocephalus stephensii": 806,
    "Philodryas varia": 1270,
    "Lycodon albofuscus": 947,
    "Masticophis anthonyi": 1010,
    "Xenodon dorbignyi": 1759,
    "Erythrolamprus dorsocorallinus": 663,
    "Pseudoficimia frontalis": 1387,
    "Macrocalamus chanardi": 994,
    "Bitis rhinoceros": 162,
    "Micrurus altirostris": 1042,
    "Anilios bituberculatus": 70,
    "Bothrops alternatus": 221,
    "Boaedon bedriagae": 170,
    "Trimeresurus nebularis": 1676,
    "Thamnophis chrysocephalus": 1620,
    "Aspidites ramsayi": 98,
    "Nerodia fasciata": 1143,
    "Tropidechis carinatus": 1703,
    "Boa nebulosa": 168,
    "Tachymenis peruviana": 1573,
    "Rhadinaea taeniata": 1465,
    "Chilabothrus subflavus": 320,
    "Bothriechis supraciliaris": 212,
    "Pseudalsophis hephaestus": 1365,
    "Oligodon formosanus": 1173,
    "Hebius flavifrons": 763,
    "Cacophis krefftii": 265,
    "Ahaetulla mycterizans": 43,
    "Ahaetulla malabarica": 42,
    "Lycophidion albomaculatum": 981,
    "Calamaria bicolor": 268,
    "Coelognathus flavolineatus": 354,
    "Bothrops oligobalius": 241,
    "Aspidura trachyprocta": 102,
    "Indotyphlops albiceps": 848,
    "Leptodeira maculata": 900,
    "Leptodeira frenata": 899,
    "Cyclocorus lineatus": 455,
    "Lycodon subannulatus": 970,
    "Demansia angusticeps": 471,
    "Pseudorabdion collaris": 1397,
    "Thamnophis ordinoides": 1634,
    "Oxyrhopus occipitalis": 1224,
    "Hydrophis ornatus": 820,
    "Pareas atayal": 1242,
    "Lycodon effraenis": 954,
    "Rhynchocalamus melanocephalus": 1482,
    "Crotalus ehecatl": 413,
    "Craspedocephalus macrolepis": 393,
    "Dryophiops philippina": 577,
    "Leptotyphlops nigricans": 922,
    "Bungarus candidus": 257,
    "Liopeltis calamaria": 935,
    "Crotalus tigris": 434,
    "Agkistrodon contortrix": 29,
    "Conophis vittatus": 372,
    "Lycodon nympha": 962,
    "Leioheterodon madagascariensis": 893,
    "Thamnophis pulchrilatus": 1636,
    "Naja philippinensis": 1123,
    "Drymobius melanotropis": 574,
    "Trimeresurus purpureomaculatus": 1679,
    "Lampropeltis polyzona": 876,
    "Candoia aspera": 286,
    "Philothamnus thomensis": 1281,
    "Eryx colubrinus": 685,
    "Telescopus dhara": 1607,
    "Atractus lasallei": 127,
    "Aspidelaps scutatus": 96,
    "Gongylosoma baliodeira": 744,
    "Uromacer oxyrhynchus": 1723,
    "Xylophis perroteti": 1777,
    "Pseudonaja affinis": 1389,
    "Tantilla semicincta": 1599,
    "Pseudotomodon trigonatus": 1399,
    "Crotalus mictlantecuhtli": 418,
    "Coniophanes lateritius": 366,
    "Trimorphodon tau": 1701,
    "Tropidodipsas annulifera": 1705,
    "Bothrops pubescens": 245,
    "Macroprotodon brevis": 995,
    "Dipsas elegans": 541,
    "Psammophis afroccidentalis": 1336,
    "Apostolepis assimilis": 84,
    "Masticophis lateralis": 1015,
    "Magliophis exiguus": 1003,
    "Oxyuranus scutellatus": 1230,
    "Gracililima nyassae": 751,
    "Oligodon everetti": 1171,
    "Pareas hamptoni": 1249,
    "Trimeresurus hageni": 1670,
    "Oligodon octolineatus": 1175,
    "Coelognathus helena": 355,
    "Clelia equatoriana": 350,
    "Psammophis lineatus": 1344,
    "Oxybelis microphthalmus": 1209,
    "Rhabdophis helleri": 1441,
    "Borikenophis portoricensis": 203,
    "Calamaria linnaei": 272,
    "Rhabdophis siamensis": 1449,
    "Sibynophis collaris": 1507,
    "Ptyas dhumnades": 1409,
    "Sympholis lippiens": 1568,
    "Mixcoatlus browni": 1087,
    "Liasis fuscus": 925,
    "Pareas margaritophorus": 1252,
    "Chlorosoma laticeps": 343,
    "Malpolon moilensis": 1007,
    "Dipsas ventrimaculata": 558,
    "Naja ashei": 1109,
    "Ithycyphus oursi": 853,
    "Cacophis squamulosus": 266,
    "Phrynonax shropshirei": 1288,
    "Nerodia taxispilota": 1149,
    "Bothriechis bicolor": 205,
    "Denisonia devisi": 523,
    "Uromacer catesbyi": 1722,
    "Philodryas trilineata": 1269,
    "Hydrops triangularis": 827,
    "Homoroselaps dorsalis": 802,
    "Myriopholis macrorhyncha": 1102,
    "Dryophylax hypoconia": 581,
    "Rena maxima": 1433,
    "Storeria victa": 1555,
    "Epicrates crassus": 642,
    "Oxyrhopus trigeminus": 1227,
    "Micrurus ibiboboca": 1063,
    "Hydrophis cyanocinctus": 815,
    "Liopholidophis rhadinaea": 941,
    "Pseudaspis cana": 1369,
    "Oxybelis vittatus": 1213,
    "Sonora occipitalis": 1538,
    "Chironius spixii": 342,
    "Amphiesma monticola": 65,
    "Salvadora bairdi": 1484,
    "Oxybelis koehleri": 1208,
    "Boa sigma": 169,
    "Cacophis harriettae": 264,
    "Geophis nephodrymus": 728,
    "Psammophis mossambicus": 1346,
    "Lachesis acrochorda": 855,
    "Argyrophis muelleri": 90,
    "Sonora taylori": 1542,
    "Amplorhinus multimaculatus": 67,
    "Suta flagellum": 1559,
    "Mesotes strigatus": 1032,
    "Tantilla hobartsmithi": 1589,
    "Amastridium sapperi": 57,
    "Sonora episcopa": 1534,
    "Eirenis collaris": 602,
    "Dibernardia bilineata": 528,
    "Tropidoclonion lineatum": 1704,
    "Oxyrhopus formosus": 1220,
    "Trimerodytes aequifasciatus": 1690,
    "Lytorhynchus ridgewayi": 992,
    "Aspidites melanocephalus": 97,
    "Elaphe quadrivirgata": 618,
    "Pituophis ruthveni": 1296,
    "Salvadora lineata": 1490,
    "Lampropeltis holbrooki": 869,
    "Lampropeltis rhombomaculata": 878,
    "Pareas chinensis": 1246,
    "Boiga siamensis": 198,
    "Leptodeira ornata": 902,
    "Dendrelaphis subocularis": 504,
    "Diaphorolepis wagneri": 526,
    "Elaphe moellendorffi": 617,
    "Homalopsis mereljcoxi": 801,
    "Rhinobothryum bovallii": 1473,
    "Chilabothrus angulifer": 314,
    "Oligodon chinensis": 1167,
    "Leptodeira ashmeadii": 897,
    "Atheris nitschei": 111,
    "Geophis sartorii": 732,
    "Agkistrodon bilineatus": 27,
    "Naja melanoleuca": 1114,
    "Imantodes inornatus": 845,
    "Zamenis hohenackeri": 1778,
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    "Oxybelis potosiensis": 1210,
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    "Micrurus ruatanus": 1077,
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    "Oligodon pseudotaeniatus": 1177,
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    "Coniophanes bipunctatus": 362,
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    "Palusophis bifossatus": 1231,
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    "Rhabdophis lineatus": 1444,
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    "Uropeltis phipsonii": 1727,
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    "Daboia mauritanica": 462,
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    "Calamaria griswoldi": 271,
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    "Erythrolamprus taeniogaster": 680,
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    "Lycophidion variegatum": 984,
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    "Toxicodryas blandingii": 1655,
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    "Xenopholis scalaris": 1770,
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    "Montivipera latifii": 1092,
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    "Trimeresurus gracilis": 1667,
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    "Tropidodipsas philippii": 1708,
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    "Bothrops osbornei": 242,
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    "Dryophylax phoenix": 583,
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    "Amblyodipsas concolor": 59,
    "Crotalus ravus": 428,
    "Myrrophis chinensis": 1105,
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    "Geophis rhodogaster": 730,
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    "Coniophanes dromiciformis": 363,
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    "Bothriechis nubestris": 210,
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    "Rhabdophis ceylonensis": 1436,
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    "Python breitensteini": 1419,
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    "Micrurus hemprichii": 1061,
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    "Echinanthera cephalostriata": 590,
    "Trimetopon pliolepis": 1695,
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    "Mastigodryas heathii": 1024,
    "Dipsas albifrons": 534,
    "Philodryas nattereri": 1265,
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    "Dryophylax chaquensis": 579,
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    "Micrurus ancoralis": 1043,
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    "Epictia goudotii": 648,
    "Craspedocephalus andalasensis": 390,
    "Helicops carinicaudus": 775,
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    "Bothrops pulcher": 246,
    "Miralia alternans": 1086,
    "Asthenodipsas malaccanus": 106,
    "Rhabdops olivaceus": 1454,
    "Lycodryas maculatus": 978,
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    "Vermicella intermedia": 1733,
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    "Aipysurus duboisii": 49,
    "Myriopholis longicauda": 1101,
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    "Dolichophis schmidti": 565,
    "Oxybelis rutherfordi": 1211,
    "Ramphotyphlops lineatus": 1426,
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    "Lycodon anamallensis": 948,
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    "Afrotyphlops lineolatus": 22,
    "Liotyphlops albirostris": 942,
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    "Philodryas chamissonis": 1264,
    "Amerotyphlops microstomus": 63,
    "Xenopholis undulatus": 1771,
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    "Dipsas ellipsifera": 542,
    "Sonora mosaueri": 1536,
    "Calamaria septentrionalis": 277,
    "Dendrelaphis ashoki": 480,
    "Cryptophis nigrescens": 448,
    "Dendrelaphis underwoodi": 507,
    "Epictia borapeliotes": 647,
    "Siphlophis worontzowi": 1527,
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    "Enuliophis sclateri": 637,
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    "Geophis dugesii": 724,
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    "Emydocephalus annulatus": 633,
    "Erythrolamprus viridis": 682,
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    "Echis ocellatus": 599,
    "Micrurus steindachneri": 1080,
    "Herpetoreas platyceps": 793,
    "Elapognathus minor": 625,
    "Boiga jaspidea": 190,
    "Echinanthera cyanopleura": 591,
    "Synophis niceforomariae": 1570,
    "Bitis cornuta": 158,
    "Namibiana gracilior": 1130,
    "Bothrops neuwiedi": 240,
    "Phalotris cuyanus": 1256,
    "Lycodon meridionalis": 961,
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    "Liodytes pygaea": 933,
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    "Lampropeltis ruthveni": 879,
    "Tropidophis caymanensis": 1716,
    "Lamprophis fuscus": 884,
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    "Indotyphlops porrectus": 850,
    "Bothrops jararacussu": 233,
    "Chironius foveatus": 330,
    "Cylindrophis ruffus": 461,
    "Typhlops jamaicensis": 1720,
    "Rhabdophis flaviceps": 1440,
    "Bothrops fonsecai": 230,
    "Adelphicos visoninum": 19,
    "Phimophis guerini": 1282,
    "Trimerodytes yunnanensis": 1694,
    "Hydrophis peronii": 821,
    "Austrelaps superbus": 152,
    "Atractus wagleri": 146,
    "Atractus trilineatus": 145,
    "Philothamnus dorsalis": 1273,
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    "Bothrops muriciensis": 239,
    "Naja samarensis": 1124,
    "Calamaria lumbricoidea": 273,
    "Furina barnardi": 712,
    "Morelia bredli": 1096,
    "Phytolopsis punctata": 1291,
    "Boaedon mentalis": 175,
    "Tantilla ruficeps": 1597,
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    "Taeniophallus nicagus": 1576,
    "Oligodon ornatus": 1176,
    "Lachesis melanocephala": 856,
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    "Chilabothrus inornatus": 317,
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    "Atractus bocki": 117,
    "Micrurus dissoleucus": 1053,
    "Anilios bicolor": 69,
    "Leptodeira rubricata": 906,
    "Inyoka swazicus": 851,
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    "Helicops modestus": 779,
    "Vermicella annulata": 1732,
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    "Montatheris hindii": 1089,
    "Crisantophis nevermanni": 401,
    "Erythrolamprus vitti": 683,
    "Atractus atratus": 115,
    "Dendrelaphis chairecacos": 485,
    "Tantilla cuniculator": 1586,
    "Bothrops pictus": 244,
    "Atractus zebrinus": 148,
    "Hoplocephalus bungaroides": 805,
    "Oligodon tillacki": 1185,
    "Liotyphlops bondensis": 944,
    "Tachymenis ocellata": 1572,
    "Grypotyphlops acutus": 754,
    "Ahaetulla oxyrhynca": 45,
    "Pseudoferania polylepis": 1386,
    "Micrurus diutius": 1055,
    "Liotyphlops beui": 943,
    "Adelphostigma occipitalis": 20,
    "Metlapilcoatlus occiduus": 1036,
    "Calabaria reinhardtii": 267,
    "Bothrops venezuelensis": 249,
    "Elapsoidea sundevallii": 632,
    "Elapognathus coronatus": 624,
    "Hemirhagerrhis hildebrandtii": 787,
    "Argyrophis diardii": 89,
    "Ahaetulla nasuta": 44,
    "Chironius gouveai": 332,
    "Erythrolamprus ocellatus": 671,
    "Toxicodryas vexator": 1656,
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    "Leptophis modestus": 918,
    "Erythrolamprus pseudocorallus": 674,
    "Dipsas williamsi": 560,
    "Cryophis hallbergi": 446,
    "Suta gouldii": 1560,
    "Elaphe urartica": 623,
    "Coniophanes andresensis": 361,
    "Micrurus narduccii": 1071,
    "Trilepida macrolepis": 1660,
    "Elaphe davidi": 614,
    "Micrurus camilae": 1047,
    "Thamnodynastes sertanejo": 1614,
    "Leptotyphlops sylvicolus": 924,
    "Elaphe cantoris": 611,
    "Hydrodynastes bicinctus": 809,
    "Elaphe hodgsoni": 616,
    "Aparallactus guentheri": 81,
    "Boiga multifasciata": 193,
    "Pseudechis weigeli": 1376,
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    "Pseudechis pailsei": 1374,
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    "Fowlea asperrima": 705,
    "Eirenis levantinus": 604,
    "Boiga flaviviridis": 186,
    "Atractus modestus": 132,
    "Cryptophis pallidiceps": 450,
    "Saphenophis boursieri": 1494,
    "Dendrelaphis wickrorum": 509,
    "Enhydris subtaeniata": 636,
    "Pareas stanleyi": 1255,
    "Causus resimus": 297,
    "Alopecion guttatum": 51,
    "Craspedocephalus travancoricus": 398,
    "Vipera lotievi": 1743,
    "Boaedon mendesi": 174,
    "Trimeresurus yunnanensis": 1689,
    "Micrurus proximans": 1075,
    "Liopeltis tricolor": 936,
    "Trimeresurus septentrionalis": 1684,
    "Bothriechis thalassinus": 213,
    "Geophis bicolor": 721,
    "Hormonotus modestus": 807,
    "Demansia quaesitor": 475,
    "Dendrelaphis vogeli": 508,
    "Oxyrhopus erdisii": 1218,
    "Rhabdophis leonardi": 1443,
    "Rhadinaea montana": 1463,
    "Psomophis genimaculatus": 1405,
    "Pseudoxenodon bambusicola": 1400,
    "Atractus occipitoalbus": 136,
    "Masticophis aurigulus": 1011,
    "Dendrelaphis bifrenalis": 481,
    "Conopsis acuta": 373,
    "Micropechis ikaheca": 1039,
    "Erythrolamprus sagittifer": 678,
    "Philothamnus irregularis": 1275,
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    "Thamnophis copei": 1622,
    "Atractus reticulatus": 139,
    "Lycodonomorphus laevissimus": 976,
    "Epictia australis": 646,
    "Dendrelaphis nigroserratus": 497,
    "Bothrocophias andianus": 214,
    "Pseudoxenodon inornatus": 1401,
    "Acrochordus javanicus": 15,
    "Arrhyton redimitum": 93,
    "Naja pallida": 1121,
    "Trimeresurus andersonii": 1663,
    "Crotalus unicolor": 441,
    "Platyceps gracilis": 1301,
    "Prosymna janii": 1322,
    "Neelaps bimaculatus": 1139,
    "Dendrelaphis modestus": 495,
    "Tachymenis trigonatus": 1574,
    "Lycodon butleri": 950,
    "Hydrophis lapemoides": 817,
    "Drysdalia mastersii": 585,
    "Dibernardia affinis": 527,
    "Oligodon ancorus": 1162,
    "Calliophis nigrotaeniatus": 284,
    "Leptotyphlops incognitus": 921,
    "Bothrocophias lojanus": 217,
    "Atractus snethlageae": 142,
    "Oxyuranus microlepidotus": 1229,
    "Afrotyphlops obtusus": 24,
    "Rhabdophis conspicillatus": 1439,
    "Bothrops cotiara": 227,
    "Platyceps rogersi": 1306,
    "Oligodon russelius": 1179,
    "Atractus sanguineus": 141,
    "Tantilla striata": 1600,
    "Alsophis danforthi": 53,
    "Myron richardsonii": 1103,
    "Calliophis melanurus": 282,
    "Psammophis sudanensis": 1354,
    "Erythrolamprus cobella": 662,
    "Atractus fuliginosus": 126,
    "Dendrelaphis philippinensis": 498,
    "Chilabothrus chrysogaster": 315,
    "Rena boettgeri": 1429,
    "Cerberus australis": 304,
    "Geophis talamancae": 734,
    "Zamenis persicus": 1781,
    "Eryx muelleri": 691,
    "Phisalixella variabilis": 1285,
    "Micrurus bocourti": 1045,
    "Oxybelis transandinus": 1212,
    "Trimeresurus kanburiensis": 1672,
    "Cylindrophis burmanus": 456,
    "Erythrolamprus macrosomus": 667,
    "Eirenis punctatolineatus": 608,
    "Dryophylax gambotensis": 580,
    "Sinomicrurus annularis": 1518,
    "Gonyosoma frenatum": 748,
    "Hebius octolineatus": 767,
    "Ninia teresitae": 1157,
    "Pythonodipsas carinata": 1425,
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    "Pseudalsophis dorsalis": 1363,
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    "Leiopython albertisii": 895,
    "Siphlophis pulcher": 1526,
    "Geophis annuliferus": 719,
    "Psomophis joberti": 1406,
    "Corallus grenadensis": 384,
    "Cryptophis nigrostriatus": 449,
    "Trimeresurus kuiburi": 1673,
    "Trilepida joshuai": 1659,
    "Conopsis megalodon": 376,
    "Tropidodryas serra": 1710,
    "Pareas niger": 1254,
    "Atractus titanicus": 143,
    "Hebius popei": 768,
    "Geophis mutitorques": 727,
    "Leptophis cupreus": 914,
    "Lycodon tristrigatus": 973,
    "Oxyrhopus fitzingeri": 1219,
    "Achalinus spinalis": 10,
    "Mussurana bicolor": 1100,
    "Erythrolamprus ceii": 661,
    "Agkistrodon howardgloydi": 30,
    "Dipsas gaigeae": 543,
    "Craspedocephalus anamallensis": 389,
    "Boiga bengkuluensis": 180,
    "Boiga guangxiensis": 188,
    "Erythrolamprus pygmaeus": 676,
    "Oligodon cyclurus": 1169,
    "Hebius craspedogaster": 761,
    "Vipera graeca": 1740,
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    "Echinanthera undulata": 593,
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    "Lycodon septentrionalis": 968,
    "Ptyas nigromarginata": 1416,
    "Lycodonomorphus bicolor": 974,
    "Ahaetulla dispar": 37,
    "Oligodon mouhoti": 1174,
    "Dipsadoboa flavida": 532,
    "Gloydius changdaoensis": 738,
    "Tantilla boipiranga": 1581,
    "Psammophis biseriatus": 1338,
    "Macroprotodon cucullatus": 996,
    "Xenoxybelis boulengeri": 1773,
    "Hypsiglena slevini": 835,
    "Atractus chthonius": 119,
    "Liophidium rhodogaster": 938,
    "Stegonotus batjanensis": 1548,
    "Pseudechis colletti": 1372,
    "Grayia ornata": 752,
    "Bogertophis rosaliae": 176,
    "Anilios torresianus": 75,
    "Cantoria violacea": 290,
    "Hemorrhois algirus": 789,
    "Hydrelaps darwiniensis": 808,
    "Atractus badius": 116,
    "Erythrolamprus pseudoreginae": 675,
    "Psammophis elegans": 1341,
    "Dendrelaphis fuliginosus": 488,
    "Echinanthera melanostigma": 592,
    "Omoadiphas aurula": 1186,
    "Dibernardia poecilopogon": 529,
    "Boiga thackerayi": 199,
    "Pseudonaja guttata": 1391,
    "Xylophis captaini": 1776,
    "Telescopus beetzi": 1606,
    "Psammophylax variabilis": 1360,
    "Oligodon theobaldi": 1184,
    "Apostolepis sanctaeritae": 87,
    "Lycodon rosozonatus": 964,
    "Simoselaps littoralis": 1517,
    "Madagascarophis meridionalis": 1001,
    "Thamnodynastes gambotensis": 1611,
    "Cylindrophis opisthorhodus": 460,
    "Duberria rhodesiana": 588,
    "Naja peroescobari": 1122,
    "Dendrophidion graciliverpa": 519,
    "Craspedocephalus rubeus": 397,
    "Arrhyton taeniatum": 94,
    "Suta monachus": 1561,
    "Opisthotropis latouchii": 1197,
    "Pareas monticola": 1253,
    "Pseudechis butleri": 1371,
    "Dipsas pratti": 550,
    "Denisonia maculata": 524,
    "Micrurus spixii": 1079,
    "Gongylosoma scriptum": 745,
    "Asthenodipsas tropidonotus": 107,
    "Eirenis decemlineatus": 603,
    "Rhadinaea marcellae": 1462,
    "Platyplectrurus madurensis": 1308,
    "Spalerosophis dolichospilus": 1544,
    "Prosymna bivittata": 1320,
    "Uropeltis ceylanica": 1724,
    "Crotaphopeltis tornieri": 445,
    "Demansia calodera": 472,
    "Sonora straminea": 1541,
    "Dendrophidion apharocybe": 514,
    "Drymobius rhombifer": 575,
    "Dipsadoboa unicolor": 533,
    "Montivipera bulgardaghica": 1091,
    "Ficimia hardyi": 700,
    "Dendrelaphis striolatus": 503,
    "Cubatyphlops perimychus": 451,
    "Psammophis praeornatus": 1350,
    "Oligodon deuvei": 1170,
    "Dendrelaphis terrificus": 505,
    "Atractus flammigerus": 125,
    "Alsophis antiguae": 52,
    "Argyrogena fasciolata": 88,
    "Azemiops feae": 153,
    "Micrurus langsdorffi": 1064,
    "Calamaria schmidti": 276,
    "Opisthotropis cheni": 1194,
    "Sinomicrurus kelloggi": 1519,
    "Xenopeltis hainanensis": 1768,
    "Erpeton tentaculatum": 656,
    "Oligodon affinis": 1160,
    "Phimophis vittatus": 1284,
    "Anilios proximus": 74,
    "Micrelaps muelleri": 1038,
    "Plectrurus perroteti": 1309,
    "Symphimus leucostomus": 1566,
    "Atractus torquatus": 144,
    "Dendrophidion brunneum": 516,
    "Hydrops martii": 826,
    "Ovophis convictus": 1200,
    "Simoselaps anomalus": 1515,
    "Psammophis aegyptius": 1335,
    "Platyceps bholanathi": 1299,
    "Ptyas dipsas": 1410,
    "Protobothrops tokarensis": 1332,
    "Hebius deschauenseei": 762,
    "Boiga barnesii": 178,
    "Trimeresurus schultzei": 1683,
    "Rhadinella serperaster": 1469,
    "Tantilla gottei": 1587,
    "Alsophis rijgersmaei": 54,
    "Epictia tesselata": 654,
    "Liophidium mayottensis": 937,
    "Bothrocophias myersi": 219,
    "Dryophylax paraguanae": 582,
    "Xenodon matogrossensis": 1761,
    "Calamaria grabowskyi": 270,
    "Tropidolaemus laticinctus": 1712,
    "Dipsas sazimai": 552,
    "Rhadinaea myersi": 1464,
    "Salomonelaps par": 1483,
    "Rhabdops aquaticus": 1453,
    "Tropidophis greenwayi": 1717,
    "Philothamnus macrops": 1276,
    "Imantodes chocoensis": 843,
    "Rhabdophis auriculatus": 1435,
    "Adelphicos veraepacis": 18,
    "Craspedocephalus wiroti": 400,
    "Eirenis occidentalis": 607,
    "Thamnophis lineri": 1631,
    "Platyceps plinii": 1304,
    "Hydrophis caerulescens": 812,
    "Siphlophis longicaudatus": 1525
}