original: It is found only on Christmas Island, Australia.
simplifications: You can only find it on Christmas Island in Austrailia. It is found only on Christmas Island, Australia. It is only on Christmas Island, Australia. It only exists on Christmas Island, Australia. It is only on Christmas Island, Australia. It is only found on Christmas Island. Christmas Island, Australia is the only place it can be found. It's only found on Christmas Island, Australia. It's only found on Christmas Island, Australia. It is found only on Christmas Island in Australia.