Watch this highly territorial swan charge head-first at an eagle floating on its pond making it clear who is in charge!

The same eggs that revealed decades-old DDT residue everywhere else showed something far fresher in two Maryland yards.

In South Florida’s wetlands, the fight against an invasive predator is on. As Burmese pythons continue to threaten native ...

Meet the common Sexton beetle. A clever creature that uses decomposing carcasses to create a nest for its young.

For many, the simple act of scattering seeds or offering scraps to birds is a cherished way to support wildlife and bring ...

For anglers seeking legendary catches, Texas stands apart. Its reputation for producing enormous fish isn’t just talk, state ...

When a cat's owner walks through the front door, the flurry of feline greetings can range from silent head rubs to insistent ...

Researchers matched hormone traces in grizzly hair to known bears and correctly told males from females 80% of the time, ...

In 1987 biologists caught the last wild condor, leaving only 27 of the species alive anywhere, all in captivity.

Male giant water bugs take on an unusual parental role for insects, carrying their eggs on their backs until they hatch. The details of this behavior are fascinating. A male performs special movements ...

A whole-lake experiment reveals that a common wastewater pollutant can dramatically alter the behavior of wild male fathead ...

Chimpanzee and bonobo mothers have been observed carrying their deceased infants on their backs for years. Why does this ...