Swan Islands Croaking Gecko

Aristelliger nelsoni is a species of gecko in the family Sphaerodactylidae. The species is endemic to the Swan Islands of Honduras. It was often considered a subspecies of Aristelliger praesignis prior to genetic testing establishing it as a separate species. It is rated as Endangered by the IUCN, owing to its small geographic range and strong recent population decline. This population decline is likely a result of competition with Hemidactylus frenatus (the Asian house gecko), which...