For humans, a bite is not dangerous, though it may cause slight itching, burning, and/or swelling. Garter snakes have a mild venom in their saliva. The saliva of a common garter snake may be toxic to amphibians and other small animals. Venom Tetrodotoxin effects in garter snakes On warm winter afternoons, some snakes have been observed emerging from their hibernacula to bask in the sun. In warmer southern areas, the snake is active year-round otherwise, it sleeps in common dens, sometimes in great numbers. In summer, it is most active in the morning and late afternoon in cooler seasons or climates, it restricts its activity to the warm afternoons. The common garter snake is a diurnal snake. Common garter snakes come in a wide range of colors, including green, blue, yellow, gold, red, orange, brown, and black. Most have longitudinal stripes in many different colors. Few grow over about 4 ft (1.2 m) long, and most stay smaller. Description Ĭommon garter snakes are thin snakes. The common garter snake is the state reptile of Massachusetts. Most common garter snakes have a pattern of yellow stripes on a black, brown or green background, and their average total length (including tail) is about 55 cm (22 in), with a maximum total length of about 137 cm (54 in). The species is indigenous to North America and found widely across the continent. There are a number of color variations including striped, checkered and almost all black.The common garter snake ( Thamnophis sirtalis) is a species of snake in the subfamily Natricinae of the family Colubridae. The Common Garter Snake usually has a pattern of yellow stripes on a brown background. Read more >Ĭommon Garter Snake (Thamnophis sirtalis sirtalis) It has prominent yellow stripe down the back and less prominent stripes along the sides. The California Red-Sided Garter Snake is dark olive to nearly black. Read more >Ĭalifornia Red-Sided Garter Snake (Thamnophis sirtalis infernalis) The Texas Garter Snake has a greenish black back with a bright orange or red stripe down the center and yellowish stripes on either side of the body. Texas Garter Snake (Thamnophis sirtalis annectens) The head is black with white scales along the mouth. It is black or brown with three yellow or white stripes along its back. The Northern Ribbon Snake is a slender snake. Northern Ribbon Snake (Thamnophis sauritus septentrionalis) There is also a pale tan or yellowish stripe on each side along the third and fourth rows of scales above the. It is olive-black with a tan or yellow stripe along the back. The Eastern Ribbon Snake is a slender snake. Read more >Įastern Ribbon Snake (Thamnophis sauritus sauritus) There is a pale lateral stripe on each side on the body running. The red (less commonly orange) back stripe begins behind the head. The Redstripe Ribbon Snake has a distinctive red stripe down the center of the back. Redstripe Ribbon Snake (Thamnophis proximus rubrilineatus) There are yellowish stripes on the back and lower sides between the rows of. The Checkered Garter Snake is typically tan, brown or greenish with large black blotches in a distinctive checkered pattern down its back. Read more >Ĭheckered Garter Snake (Thamnophis marcianus marcianus) It has rows of small, dark spots along the sides, and a yellow stripe on each side separating the. The underside is dull yellow, orange, or salmon. The Two-Striped Garter Snake is olive, brown or brownish-grey above. Two-Striped Garter Snake (Thamnophis hammondii) It is variable in color and pattern, It usually has a yellow stripe along the back and white, yellow or reddish stripes along the lower part of the side. The Coast Garter Snake is a slender snake. Western Terrestrial Garter Snake (Thamnophis elegans)Ĭoast Garter Snake (Thamnophis elegans terrestris) The side stripe is confined to the second and third rows of scale. The Blackneck Garter Snake is dark olive brown or olive gray with a yellow or orange stripe on the back and whitish stripes on sides. Read more >īlackneck Garter Snake (Thamnophis cyrtopsis) There are sometimes two rows of dark spots between the side. The background color is brown, black or olive. North American Reptiles - Colubrid-Snakes,Garter-Snakesīutler's Garter Snake (Thamnophis butleri)īutler’s Garter Snake is a slender snake with three yellow or orange stripes along the length of the body. North American Animals - mamals, birds, reptiles, insects
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