The American crocodile is one of the largest crocodile species, usually weighing up to 1,100 pounds, although some can weigh more. They can also grow up to 13 feet in length.

Kristen Miller, lead author of the study and a doctoral student at KU’s Biodiversity Institute, analyzed the Texan fossils to ...

Check out these ten amazing facts about the US National Mammal, the American bison. Know about its ecological significance, ...

The Blue Whale: Ocean's Giant The blue whale is a true marvel of the marine world. Known as the largest animal to ever exist ...

Yellowstone has done its job so well, in fact, that the herd now consistently exceeds 4,000 bison, a number large enough to provoke fears of overgrazing in the park and of bison roaming beyond its ...

American Bison. Juan Carlos Munoz/The Image Bank/Getty Images Plus. Temperate grasslands are home to many large herbivores. Some of these include bison, gazelles, zebras, rhinoceroses, and wild ...