Animals — 36,937 Species
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Osborne's Lancehead
Bothrops osbornei Freire-Lascano, 1991
Bothrops osbornei is a venomous viper species found in Ecuador and northwestern Peru.
Patagonia Lancehead
Bothrops ammodytoides Leybold, 1873
Bothrops ammodytoides is a stout venomous pitviper found only in Argentina that may be the world's southernmost snake.
Painted Lancehead
Bothrops diporus Cope, 1862
Bothrops diporus is an ovoviviparous sexually reproducing pit viper found along the Paraguay-Argentina border.
Urutu Lancehead
Bothrops alternatus Duméril, Bibron & Duméril, 1854
Bothrops alternatus is a highly venomous South American pit viper that is a major cause of snakebite across its range.
Jararaca Pintada
Bothrops neuwiedi Wagler, 1824
Bothrops neuwiedi is a South American pitviper with a defined scalation and color pattern, found in a range of forest and rocky dry habitats.
Yarará Lancehead
Bothrops jararaca (Wied-Neuwied, 1824)
Bothrops jararaca is a slender terrestrial venomous snake found in parts of South America, whose venom contributed to key medical drug developments.
Green Jararaca
Bothrops bilineatus (Wied-Neuwied, 1821)
Bothrops bilineatus is a small to medium South American viper with a green-based color pattern that lives in rainforest habitats near water, and is ovoviviparous.
Caatinga Lancehead
Bothrops erythromelas Amaral, 1923
Bothrops erythromelas is a venomous pit viper species endemic to the Caatinga ecoregion of northeastern Brazil.
Pampas Lancehead
Bothrops pubescens (Cope, 1870)
Bothrops pubescens is a venomous viper found in Brazil and Uruguay that lives near forests and eats varied prey.
Speckled Forest Pit Viper
Bothrops taeniatus Wagler, 1824
Bothrops taeniatus is a slender arboreal South American pit viper with a complex color pattern and prehensile tail found in equatorial forests.
Mato Grosso Lancehead
Bothrops mattogrossensis Amaral, 1925
Bothrops mattogrossensis is a species with distinct scale and body markings that reproduces sexually via ovoviviparity.
Godman's Montane Pit Viper
Cerrophidion godmani (Günther, 1863)
Cerrophidion godmani is a small terrestrial ovoviviparous pit viper found in high elevation forests and grasslands of southern Mexico and Guatemala.
Costa Rica Montane Pitviper
Cerrophidion sasai Jadin, Townsend, Castoe & Campbell, 2012
Cerrophidion sasai, the Costa Rica montane pitviper, is a venomous diurnal snake found from southeastern Mexico to western Panama.
Wilson's Montane Pitviper
Cerrophidion wilsoni Jadin, Townsend, Castoe & Campbell, 2012
Cerrophidion wilsoni, the Honduras montane pitviper, is a venomous snake of the genus Cerrophidion found in three Central American countries.
Malayan Pit Viper
Calloselasma rhodostoma (Kuhl, 1824)
Calloselasma rhodostoma is a unique Asian pit viper found across parts of Southeast Asia, that preys on rats and is oviparous.
Amazonian Toad-headed Pitviper
Bothrocophias hyoprora (Amaral, 1935)
The Amazonian toad-headed pitviper (Bothrocophias hyoprora) is a venomous viper endemic to north-western South America.
Small-eyed Toad-headed Pitviper
Bothrocophias microphthalmus (Cope, 1875)
Bothrocophias microphthalmus, the small-eyed toad-headed pit viper, occurs in northwestern and central South America.
Ecuadorian Toadheaded Pitviper
Bothrocophias campbelli (Freire-Lascano, 1991)
Bothrocophias campbelli is a viviparous viper found in Pacific-slope forests from west-central Colombia to Ecuador.
Highland Eyelash-Pitviper
Bothriechis schlegelii (Berthold, 1846)
Bothriechis schlegelii, the eyelash viper, is a small pitviper species with distinctive eyepatch scales, restricted to Colombian highlands after 2024 taxonomic revision.
Side-striped palm pit viper
Bothriechis lateralis Peters, 1862
Bothriechis lateralis is a slender, prehensile-tailed pitviper found in mountain forests of Costa Rica and western Panama.
Yellow-blotched Palm Pit Viper
Bothriechis aurifer (Salvin, 1860)
Bothriechis aurifer is a slender, prehensile-tailed pit viper found in cloud forests of southern Mexico and northern Guatemala.
Guatemala Palm Pit Viper
Bothriechis bicolor (Bocourt, 1868)
Bothriechis bicolor is a moderately sized slender viper found in high elevation forests of southern Mexico, Guatemala, and Honduras.
Black-speckled Palm Pit Viper
Bothriechis nigroviridis Peters, 1859
Bothriechis nigroviridis is a rare slender arboreal pitviper found in mountain forests of Costa Rica and Panama.
Blotched Palm-pitviper
Bothriechis supraciliaris (Taylor, 1954)
Bothriechis supraciliaris is a pitviper species found in southern Costa Rica and western Panama, with females larger than males.
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