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.

Kangaroos are iconic Australian animals who have long been used as a symbol within the country to represent moving forward. All four species are herbivores who roam around grazing on grass and leaves.

As fellow mammals, you and your pet dog or cat have a lot in common. It’s easy to see the similarities because humans, dogs and cats spend lots of time together. We may even be roommates or family.

Discover what makes marine mammals unique and why they need our protection. California's coastal waters are home to some of nature’s most remarkable creatures - marine mammals like seals, dolphins, ...

Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

Japan's Ryukyu Islands, which includes Okinawa, are the exclusive home to two rare mammals, the Amami rabbit and Ryukyu long-furred rat. These animals are hard to observe, but conservationists wish to ...