Vipera berus sachalinensis

Vipera berus sachalinensis (Sakhalin Island adder^[2] a.k.a. Sakhalin adder^[3]) is a viper subspecies^[4] endemic to Asia.^[5] Like all other vipers, it is venomous.

Vipera berus sachalinensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Vipera
Species:	V. berus
Subspecies:	V. b. sachalinensis
Trinomial name
Vipera berus sachalinensis Zarevskij, 1917
Synonyms
Vipera berus sachalinensis Zarevskij, 1917 Vipera sachalinensis — Mertens, 1934 Vipera (Vipera) berus sachalinensis — Obst, 1983[1]

Geographic range

It is found in the Russian Far East (Amur), China (Jilin), North Korea, and on Sakhalin Island.^[5]

According to Schwarz (1936), the type locality is "Sachalin" (= Sakhalin Island, Russia).^[1]

Taxonomy

McDiarmid et al. (1999) follow Golay et al. (1993) and recognize V. b. sachalinensis as a subspecies of V. berus.^[1] However, it has been considered a full species in recent literature.^[5]