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The eastern hognose snake feeds extensively on amphibians, and has a particular fondness for toads. This snake has resistance to the toxins toads secrete. This immunity is thought to come from enlarged adrenal glands which secrete large amounts of hormones to counteract the toads' powerful skin poisons. At the rear of each upper jaw, it has ...
This is a list of all genera, species and subspecies of the subfamily Viperinae, otherwise referred to as viperines, true vipers, pitless vipers or Old World vipers. It follows the taxonomy of McDiarmid et al. (1999) [ 1 ] and ITIS .
Head of Russell's viper Large fangs Russell's viper in Pune Zoo. The head is flattened, triangular, and distinct from the neck. The snout is blunt, rounded, and raised. The nostrils are large, each in the middle of a large, single nasal scale. The lower edge of the nasal scale touches the nasorostral scale. The supranasal scale has a strong ...
The eastern copperhead (Agkistrodon contortrix), [3] also known simply as the copperhead, is a species of venomous snake, a pit viper, endemic to eastern North America; it is a member of the subfamily Crotalinae in the family Viperidae.
Trimorphodon is a genus of mildly venomous, rear-fanged, colubrid snakes. They are commonly known as lyre snakes, named after the distinctive V-shaped pattern on their head that is said to resemble the shape of a lyre. In Mexico, they are commonly called "víbora de uña," or "nail viper."
Heterodon is a genus of harmless colubrid snakes endemic to North America. [1] They are stout with upturned snouts and are perhaps best known for their characteristic threat displays.
Vipera (/ ˈ v ɪ p ə r ə /; commonly known as the palaearctic vipers [2] and Eurasian vipers [3]) is a genus of snakes in the subfamily Viperinae of the family Viperidae. The genus has a very wide range, being found from North Africa to just within the Arctic Circle , and from Great Britain to Pacific Asia . [ 3 ]
Echis ocellatus, known by the common names West African carpet viper [2] [3] and ocellated carpet viper, [4] is a highly venomous species of viper endemic to West Africa. No subspecies are currently recognized. [5] It is responsible for more human fatalities due to snakebite than all other African species combined. [6]