Viper, (family Viperidae), any of more than 200 species of venomous snakes belonging to two groups: pit vipers (subfamily Crotalinae) and Old World vipers (subfamily Viperinae), which are considered …

No, vipers do not have hoods; hoods are a characteristic of cobras. Cobras expand their neck into a hood as a defensive display, while vipers, like rattlesnakes, may coil up or flatten their necks, but …

Jul 19, 2025 · Vipers, family Viperidae, are venomous snakes encompassing over 340 species, characterized by their broad, triangular heads, hinged fangs, and heat-sensing pits between eyes …

Vipers can open their mouth widely and have highly mobile fangs. This enables vipers to extend their fangs when biting but also to fit them into their mouth when not in use.

Apr 29, 2025 · Vipers have long, hollow fangs to inject venom when they bite prey. Vipers have a distinct triangular head shape that holds their venom glands. There are about 26 species of vipers that are …

Everything you should know about the Viper. The Viper is a family of venomous snakes with long, hollow fangs to inject their venom into prey.

Apr 4, 2024 · Cobras, known for their iconic hoods and intimidating posture, are venomous snakes primarily found in Asia and Africa, while vipers are distinguished by their long fangs and potent …

Viperidae in the United States are stout-bodied, with heads that are distinctly wider then the neck and patterned with blotches or crossbands. They have curved, retractable hollow fangs located near the …

All vipers have a pair of long fangs in the front of their mouths that they use to inject venom into their prey, and nearly all have wide triangular heads that distinguish them from other snake families. …

Vipers and pitvipers are mainly known for the pair of short hollow fangs that usually lie flat in the upper jaw but swing down when the snake opens its mouth to inject its venom. The members of this family …