Despite their underwater habitat, whales are mammals. Mammals are not solely terrestrial; some, including whales and dolphins, are fully aquatic the University of Michigan Museum of Zoology reports.

For tens of millions of years, whales have been a part of the oceans. Because of this, it would be easy to believe that ...

Discover interesting facts about whales, how big they can get, and how they track down their prey. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...