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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 ]
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 .
Garter snakes can bite or strike humans if they feel threatened. Small garter snakes eat prey such as slugs and earthworms, but larger garter snakes eat birds, fish, amphibians and rodents.
Out of Pennsylvania’s 21 species of snake only three are venomous. Two are found in the central region. Julian Avery from Penn State explains what to look for.
Mississippi has more than 50 different types of snakes and they can be found in just about every environment in the state.
The eastern hog-nosed snake [3] (Heterodon platirhinos), is a species of mildly venomous rear-fanged snake in the family Colubridae. The venom is specifically adapted to amphibian prey and is harmless to humans. However, some people may have an allergic reaction, and experience local swelling and other symptoms.
T. e. terrestris with dark coloring Mountain garter snake (T. e. elegans) defensive posture. Most western terrestrial garter snakes have a yellow, light orange, or white dorsal stripe, accompanied by two stripes of the same color, one on each side. Some varieties have red or black spots between the dorsal stripe and the side stripes.