Brahminy Blind Snake (Indotyphlops braminus): The Brahminy blind snake has a widespread distribution but is considered rare due to its secretive nature and burrowing behavior.
Santa Catalina Island Rattlesnake (Crotalus catalinensis): Endemic to Santa Catalina Island in California, USA, this rattlesnake is critically endangered.
Golden Lancehead (Bothrops insularis): Found only on Ilha da Queimada Grande, a small island off the coast of Brazil, the golden lancehead is critically endangered.
Cuban Boa (Chilabothrus angulifer): The Cuban boa is native to Cuba and is one of the largest snake species in the Caribbean. It is considered rare due to habitat loss and hunting.
Annamite Striped Racer (Orthriophis taeniurus):This snake species is found in the Annamite Range of Vietnam and Laos.It is rare and threatened by habitat loss and illegal collection for the pet trade.
Santa Cruz Garter Snake (Thamnophis atratus): Restricted to Santa Cruz County in California, USA, this garter snake is critically endangered due to habitat destruction and non-native predators.
Boelen's Python (Simalia boeleni):It is a rare and highly sought-after species found in New Guinea. It is prized by reptile enthusiasts but faces threats from overcollection and habitat loss.
Trimeresurus insularis: This venomous pit viper is endemic to the Batu Islands in Indonesia. It is considered rare and is threatened by habitat destruction and illegal collection.