A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

Female mountain chickadees think so. They find brains so attractive that they will cheat on their mates if a smarter male ...

Wolves use their urine to communicate with each other. A recent study looked at the reactions of a pack to the marking of an ...

It could take a century and cost more than $24.5 million to save the Mount Graham red squirrel, according to a revised recovery plan for the endangered Southern Arizona rodent. To get the squirrel off ...

There’s nothing more annoying than the persistent buzz of a fly indoors, not to mention the fact that some flies can transmit pathogens that cause serious illnesses such as food poisoning, cholera, ...

When researchers played underwater recordings of pushy males, females that were capable of becoming pregnant swam away from ...

The Formby red squirrel reserve is a haven of wildlife in a world of relentless urban sprawl. Through the rustling branches of towering pines, the chirrups of birds in their nests can be heard, which ...

Explore the remarkable life of the moor frog during its breeding season. Known for its striking blue coloration, this unique amphibian displays fascinating behaviors as it searches for mates and ...

Ground squirrels spend many months in a winter slumber, and then awake ravenous and eat anything and everything in sight. A study of 700,000-year-old DNA from coprolites — fossilized poo — has now ...

Hidden beneath Arctic waters, beluga whales have long kept their family lives a mystery. By analyzing DNA from more than 600 belugas in Alaska’s Bristol Bay over 13 years, researchers uncovered a ...