Crocodile
by Andrea Anderegg
Title
Crocodile
Artist
Andrea Anderegg
Medium
Photograph
Description
Crocodile (Crocodylidae) is a large aquatic tetrapod that lives throughout the tropics in Africa, Asia, the Americas and Australia. Lizards, snakes and crocodiles are all scaled diapsids, but crocodiles are archosaurs, which means they are genetically closer to birds and the extinct dinosaurs. Crocodylidae is classified as a biological family or subfamily.
The term can also be used more loosely to include all extant members of the order Crocodilia: which includes the crocodiles of Crocodylidae, the alligators and caimans (family Alligatoridae) and the gharials (family Gavialidae), and the rest of Crocodylomorpha, which includes prehistoric crocodile relatives and ancestors.
Crocodiles tend to congregate in freshwater habitats such as rivers, lakes, wetlands and sometimes in brackish water. They feed mostly on vertebrates (fish, reptiles, and mammals), and sometimes on invertebrates (molluscs and crustaceans), depending on species. They first appeared during the Eocene epoch, about 55 million years ago.
Uploaded
March 12th, 2013
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