The southernmost subspecies of the cantil, Agkistrodon bilineatus howardgloydi, occurs in almost all terrestrial habitats of the Sector Santa Rosa, in Guanacaste Conservation Area, Costa Rica. We ...

Many people believe water moccasins are harmless while cottonmouths are the truly dangerous ones — but they’re actually the same snake. Both names refer to Agkistrodon piscivorus, the only venomous ...

Tu, A. T., Toom, P. M., and Murdock, D. S., Animal Toxins, 351 (Pergamon Press, 1967). Tu, A. T., and Toom, P. M., Austral. J. Exp. Biol. Med. Sci., 45, 561 (1967).

Cottonmouths (Agkistrodon piscivorus), also known as water moccasins, live in freshwater habitats across the southeastern U.S. They are semi-aquatic, venomous snakes that can be identified when they ...

Claim to fame: Copperheads are the most commonly encountered venomous snake in Missouri. Most copperhead bites occur when the snake is either accidentally stepped on or when someone tries to capture ...

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It usually takes two snakes — a female and a male — to make a litter of baby copperheads. But research now shows that copperheads (Agkistrodon contortrix) and their venomous cousins cottonmouths ...

The cottonmouth snake, also known as the water moccasin, is a venomous snake found in the southeastern United States. Recognizable by its distinctive white mouth, it poses a significant threat due to ...

It is warming up here in Louisiana, and with those rising temperatures come snakes. The Louisiana Wildlife and Fisheries Department has listed 43 species of snakes that commonly inhabit Louisiana. Of ...