Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

From spraying mates with urine to changing one's sex, these are the most intriguing courtships in the animal kingdom.

In the Everglades, python and gator conflict keeps rising as reproduction, spread, and hidden populations outpace control efforts.

The bald eagle used to be a rare sight in Illinois. Now, there are more than 3,000 that spend the winter here.

Finding a clutch of snake eggs in your yard is unexpected, but here's a look at how to identify them and what to do if you come across them.

Contrary to popular belief, water moccasins and cottonmouth snakes are the same snakes. Both terms refer to the same species, ...

The complex biology of ghrelin, the hunger hormone, has researchers wondering how its absence helps snakes last a long time with no food, if at all.

Jeffrey Lendrum spent nearly four decades traveling the world in search of rare bird eggs, becoming one of the most notorious wildlife smugglers on the planet. Operating across multiple continents, he ...

Researchers found cannibalism diets appeared among at least 207 snake species in 15 snake family groups ...

Climate change is reshaping life on Earth at an unprecedented pace. Across the globe, species are shifting their ranges, altering migration routes and breeding earlier in the year in response to ...

In the wild, power does not always roar. Sometimes it waits, calculates, protects, and strikes only when necessary. Across ...

From the octopus that walks on land to another that grows its own ‘lifejacket’, discover these unusual species ...