Read how alligators enter a state called brumation, not hibernation, when temperatures fall in winter, plus where and how they do it.

Learn why poison dart frog fathers go to extreme lengths to protect and raise their young, from egg guarding to tadpole transport.

Animals use many different kinds of adaptations to protect themselves. These animals, for example, have fangs!

Is the male smooth box crab the most devoted husband in the animal kingdom, as a recent YouTube video suggests? Read to find out.

Bees are flying protein bars for predators. Discover what makes bees so appealing to birds, insects, and mammals.

Hermit crabs change shells throughout their lives, most commonly during a process called molting, when the animal sheds its exoskeleton.

An investigation of the American crocodile produced surprising results. Discover more about the two new crocodile species in the Yucatán.

Cornell Lab study reveals a U.S. bird population decline affecting 75% of tracked species. eBird data shows widespre ...

Hummingbirds are extremely skittish and aren’t easy to see all the time. In fact, it takes a lot of effort to create environments where hummingbirds feel safe enough to frequent throughout the year.

The Monterey Bay Aquarium Research Institute captured footage of a giant phantom jelly with ribbon-like arms over 30 feet ...

From deep bellows to high-pitched screams, koalas make a range of sounds that help them mate, fight, and survive.

Scientists have been monitoring the disappearance of great white sharks from False Bay, South Africa, but where have they ...