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The eastern garter snake is broadly considered non-venomous. Garter snakes do have a Duvernoy's gland , and the secretion from the gland may be chewed into prey during bites. The secretion is noted to cause hemorrhaging in mice and has produced non-allergic symptoms in at least one bite on a human.
The first garter snake to be scientifically described was the eastern garter snake (now Thamnophis sirtalis sirtalis), by zoologist and taxonomist Carl Linnaeus in 1758. The genus Thamnophis was described by Leopold Fitzinger in 1843 as the genus for the garter snakes and ribbon snakes. [2]
The United States has about 30 species of venomous snakes, which include 23 species of rattlesnakes, three species of coral snakes, and four species of American moccasins. Although at least one species of venomous snake is found in every state except Hawaii, Maine, and Alaska.
The Western terrestrial garter snake species is common in most habitats but spends a lot of time in water. These snakes are typically gray-brown or black with a checkered pattern and yellow ...
The first, T. r. radix, was commonly referred to as the eastern plains garter snake, while T. r. haydeni (Kennicott, 1860) was commonly referred to as the western plains garter snake. However, the distinction between the two of them is weak, partly based on the number of scales and partly on slight coloration differences, with T. r. haydeni ...
Pennsylvania has three species of venomous snakes: the copperhead, the timber rattlesnake and the eastern massasauga. Only the copperhead and the timber rattlesnake are found in the central ...
Common garter snake (sometimes called the "red-sided garter snake") Thamnophis sirtalis: throughout the state 15 - 28 inches in length, bright yellow or orange stripe along middle of the back, yellow or orange stripe along each side, with black spots on red colouration also along both sides Eastern hognose snake: Heterodon platirhinos
Thamnophis saurita, also known as the eastern ribbon snake [a], common ribbon snake, or simply ribbon snake, is a common species of garter snake native to Eastern North America. [2] It is a non-venomous [ 5 ] [ 6 ] species of snake in the subfamily Natricinae of the family Colubridae .