"During the Mesozoic, mammals were small," University of Georgia Odum School of Ecology professor John Gittleman said in a ...

African elephants might not be as big as whales, but they are the largest land mammals standing at 13 feet (4 meters) tall and weighing as much as 7 tons. African elephants are also known for ...

Dolphins live and hunt in large social groups called pods, and they communicate with each other using high-pitched clicks and ...

The museum’s paleontologists determined the fossils were preserved during an obscure period of the Pleistocene ice ages called the middle Irvingtonian North American land mammal age.