Animals — 36,937 Species
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Nile Crocodile
Crocodylus niloticus Laurenti, 1768
Crocodylus niloticus, the Nile crocodile, is a large African crocodilian with detailed traits, distribution, and reproductive behaviors.
West African Crocodile
Crocodylus suchus Geoffroy Saint-Hilaire, 1807
Crocodylus suchus (West African crocodile) is a smaller crocodile native to West and Central African freshwater habitats.
Dwarf Crocodile
Osteolaemus tetraspis Cope, 1861
The dwarf crocodile (Osteolaemus tetraspis) is the smallest living crocodile species, native to tropical West and Central Africa.
False Gharial
Tomistoma schlegelii (Müller, 1838)
Tomistoma schlegelii, the false gharial, is a slender-snouted crocodilian native to parts of Malaysia and Indonesia.
Central African slender-snouted crocodile
Mecistops leptorhynchus (Bennett, 1835)
Mecistops leptorhynchus, the Central African slender-snouted crocodile, is a recognized distinct crocodile species native to Central and East Africa.
Chinese Alligator
Alligator sinensis Fauvel, 1879
Alligator sinensis (Chinese alligator) is a small, critically endangered crocodilian native to the restricted Yangtze River basin in China.
American Alligator
Alligator mississippiensis (Daudin, 1801)
This is a detailed description of the morphology, distribution, habitat, and documented tool use behavior of the American alligator.
Spectacled Caiman
Caiman crocodilus (Linnaeus, 1758)
Caiman crocodilus, the spectacled caiman, is a small to medium-sized adaptable New World crocodilian with a bony ridge between its eyes.
Broad-snouted Caiman
Caiman latirostris (Daudin, 1801)
Caiman latirostris, the broad-snouted caiman, is a crocodilian with temperature-dependent sex determination of its offspring.
Yacare Caiman
Caiman yacare (Daudin, 1801)
Caiman yacare, the piranha caiman, is a common medium-sized South American caiman with distinct lower jaw teeth.
Black Caiman
Melanosuchus niger (Spix, 1825)
Melanosuchus niger, the black caiman, is a large nocturnal crocodilian native to Amazonian aquatic habitats.
Cuvier's Dwarf Caiman
Paleosuchus palpebrosus (Cuvier, 1807)
Cuvier's dwarf caiman (Paleosuchus palpebrosus) is the smallest living New World crocodilian native to northern and central South America.
Schneider's Dwarf Caiman
Paleosuchus trigonatus (Schneider, 1801)
Paleosuchus trigonatus, the smooth-fronted caiman, is a small crocodilian native to forested streams of northern South America.
Gharial
Gavialis gangeticus (Gmelin, 1789)
Gavialis gangeticus, the gharial, is a large fish-specialized crocodilian native to northern Indian subcontinent rivers.
Tuatara
Sphenodon punctatus (Gray, 1842)
Sphenodon punctatus, or tuatara, is a long-lived, slow-reproducing reptile endemic to New Zealand, with a uniquely structured genome.
King's Worm Lizard
Amphisbaena kingii (Bell, 1833)
Amphisbaena kingii is an oviparous amphisbaenian found in South American savannas and grasslands.
Wagler's Worm Lizard
Amphisbaena vermicularis Wagler, 1824
Amphisbaena vermicularis, or Wagler's worm lizard, is an amphisbaenid worm lizard endemic to Brazil and Bolivia.
Mertens' Worm Lizard
Amphisbaena mertensii Strauch, 1881
Amphisbaena mertensii is an endemic South American oviparous worm lizard species in the family Amphisbaenidae.
Black-and-white Worm Lizard
Amphisbaena fuliginosa Linnaeus, 1758
Amphisbaena fuliginosa is an oviparous species that lives in northern South America and Brazilian Cerrado, growing 30–45 cm long.
Red Worm Lizard
Amphisbaena alba Linnaeus, 1758
Amphisbaena alba is a South American amphisbaenian with distinct erythrocyte traits and documented reproductive characteristics.
Darwin's Ringed Worm Lizard
Amphisbaena darwinii Duméril & Bibron, 1839
Darwin's ringed worm lizard (Amphisbaena darwinii) is a fossorial, oviparous species found in grasslands across parts of South America.
Smallhead Worm Lizard
Leposternon microcephalum Wagler, 1824
Leposternon microcephalum, the smallhead worm lizard, is an oviparous amphisbaenian endemic to South America.
Southwest Iberian Worm Lizard
Blanus cinereus Vandelli, 1797
Blanus cinereus, the Iberian worm lizard, is a subterranean limbless vertebrate native to the Iberian Peninsula that uses chemosensory signaling.
Florida Worm Lizard
Rhineura floridana (Baird, 1858)
Rhineura floridana is a limbless, worm-like burrowing species found in Florida that reproduces by laying eggs.
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