Viperidae

Vipera ammodytes (Linnaeus, 1758)

Vipera ammodytes (horned sand viper) is a venomous snake with a characteristic snout horn, found across southern and southeastern Europe to western Asia. It is ovoviviparous.

Vipera nikolskii Vedmederya, Grubant & Rudajewa, 1986

Vipera nikolskii is a short thick-bodied viper found across parts of Eastern Europe.

Vipera renardi (Christoph, 1861)

Vipera renardi is a venomous ovoviviparous viper endemic to Eastern Europe and Asia with five recognized subspecies.

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Vipera walser Ghielmi, Menegon, Marsden, Laddaga & Ursenbacher, 2016

Vipera walser is a viper species similar to Vipera berus, endemic to a small restricted area in the Italian Western Alps.

Vipera berus (Linnaeus, 1758)

This is a detailed description of the Eurasian viper Vipera berus, covering its morphology, distribution, habitat, and reproduction.

Macrovipera lebetinus (Linnaeus, 1758)

Macrovipera lebetinus, the blunt-nosed viper, is a large viper with a broad triangular head and blunt snout, found across parts of Afro-Eurasia.

Echis carinatus (Schneider, 1801)

Echis carinatus, or the saw-scaled viper, is an endemic Asian viper described here with physical traits, range, habitat, and reproduction details.

Echis coloratus Günther, 1878

Echis coloratus is a viper species found in rocky deserts across the Middle East and North Africa, reaching 75 cm in maximum total length.

Echis omanensis Babocsay, 2004

The Oman saw-scaled viper (Echis omanensis) is a venomous viper found in eastern Oman and the United Arab Emirates.

Montivipera xanthina (Gray, 1849)

Montivipera xanthina is a viper found in rocky humid areas of Greece and Turkey, with a distinctive dorsal black zig-zag stripe.

Agkistrodon russeolus Gloyd, 1972

Agkistrodon russeolus is a Yucatán Peninsula pit viper with described physical traits, distribution and habitat.

Agkistrodon bilineatus Günther, 1863

Agkistrodon bilineatus, the cantil, is a heavy-bodied ovoviviparous viper found along the Pacific side of Mexico and Central America.

Agkistrodon piscivorus (Lacépède, 1789)

Agkistrodon piscivorus, the cottonmouth, is a large venomous North American pit viper strongly associated with aquatic and semi-aquatic habitats.

Agkistrodon conanti Gloyd, 1969

Agkistrodon conanti, the Florida cottonmouth, is a North American pit viper described by size, markings, distribution, habitat, and reproduction.

Agkistrodon laticinctus Gloyd & Conant, 1934

This is a description of the broad-banded copperhead, Agkistrodon laticinctus, covering its appearance, range, habitat, and natural history.

Agkistrodon contortrix (Linnaeus, 1766)

This is a detailed morphological, distributional, and reproductive description of the North American pit viper Agkistrodon contortrix, the eastern copperhead.

Deinagkistrodon acutus (Günther, 1888)

This page describes the morphology, distribution, habitat, reproduction, and venom uses of the pit viper Deinagkistrodon acutus.

Crotalus durissus Linnaeus, 1758

Crotalus durissus is a large Neotropical South American rattlesnake with a seasonal ovoviviparous reproductive cycle.

Crotalus totonacus Gloyd & Kauffeld, 1940

Crotalus totonacus is a venomous pitviper found in northeastern Mexico, with adults often exceeding 150 cm in length.

Crotalus tzabcan Klauber, 1952

The Yucatán neotropical rattlesnake (Crotalus tzabcan) is a Viperidae pit viper elevated to full species in 2005.

Crotalus culminatus Klauber, 1952

Crotalus culminatus, the Northwestern Neotropical rattlesnake, is a large venomous snake found in southwestern Mexico.

Crotalus willardi Meek, 1905

Crotalus willardi is a small, reclusive high-elevation rattlesnake native to southwestern North America that gives birth to live young.

Crotalus cerberus (Coues, 1875)

Crotalus cerberus, the Arizona black rattlesnake, is a pit viper found in the southwestern US with variable patterning and complex social behavior.

Crotalus scutulatus Kennicott, 1861

This is a detailed description of the Mohave Rattlesnake, Crotalus scutulatus, covering size, identification, genetics, taxonomy, range and habitat.