In wooded areas across Australia, tree hollows house the nests of some of the most elusive and adorable baby birds. Spotting ...

These images from the Smithsonian Magazine Photo Contest show just why penguins have waddled into our hearts ...

Tupi the capybara was born at San Antonio Zoo in December and the little rodent has since become a star on the internet.

“We’re thrilled to see so many people joining in on the fun of naming our adorable pygmy hippo baby,” the zoo said. A human for scale shows just how small the Metro Richmond Zoo's pygmy ...