The American bison is a majestic, stately creature that has played a prominent role in the early days of American history.

Asian needle ants may be small, but this invasive ant species represents a serious ecological threat to North America. Here's ...

From bears to rodents, learn to ID scat by size, shape, and content to determine which animal has been in your area and what ...

Think you heard a dog in the woods? It might have been a muntjac deer—a fanged, barking deer that's as surprising as it is ...

Like mercenaries of the natural world, fire ants are hardy, resilient, and vicious. They’ve become an invasive species thanks ...

Dolphins use unique sounds to bond, hunt, and warn. Discover how they “talk” through whistles, clicks, and more.

The dikkop bird guards Nile crocodile nests, and in exchange, the crocodile protects the bird’s eggs. Discover this wild pairing.

A new U.S. proposal could give all eight pangolin species Endangered Species Act protection for the first time.

A recently published study explores the relationship between sea spiders and bacteria. Discover more and meet one of the study's researchers.

A male father lion is banishing his sons from his pride. They are now old enough to go out on their own and form their own prides.

Bats are surprisingly good swimmers, but this little guy needed a hand to make it out of this Queensland pool.

Moles in your yard offer benefits like soil aeration, free fertilization, and pest control by eating harmful insect grubs. However, their tunneling activity can create unsightly mounds and uneven ...