The largest bald eagle nest ever recorded, measuring 9 feet 6 inches wide and 20 feet deep, was found in St. Petersburg, ...

This new caterpillar species from Oʻahu hunts insects and decorates itself with their body parts. Yes, it’s real—and it’s ...

Many exotic animal species are banned or heavily regulated in certain US states, and even nationwide. Learn about these ...

Moles aren’t all bad – they aerate the soil, deposit natural fertilizer and eat grubs that can harm your landscaping. Unless ...

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

Horses are majestic creatures, with some breeds known for their incredible size, standing taller and weighing more than you might imagine. Watch this compelling video to discover facts about the ...

There is an island just off the coast of southeastern Brazil where people are forbidden and every animal that lands on its shores becomes prey. Ilha da Queimada Grande is an island so infested with ...

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.