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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.
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.
Echis carinatus, known as the saw-scaled viper, [2] Indian saw-scaled viper, little Indian viper, [3] and by other common names, is a viper species found in parts of the Middle East and Central Asia, and especially the Indian subcontinent.
"Asp" is the modern anglicisation of the word "aspis", which in antiquity referred to any one of several venomous snake species found in the Nile region. [1] The specific epithet, aspis, is a Greek word that means "viper". [2] It is believed that aspis referred to what is now known as the Egyptian cobra. [3]
In Mexico, they are commonly called "víbora de uña," or "nail viper." [ 2 ] The word Trimorphodon is a combination of three Greek words, 'tri' - three, 'morph' - shape, and 'odon' - teeth, which refers to the three distinct kinds of teeth that lyre snakes have: recurved anterior teeth ; shorter middle teeth, and large grooved fangs at the ...