Learn how eastern bluebirds share bird boxes in winter, what triggers this behavior, and which other backyard birds do it too ...

Animals that migrate: Every year, as the days shorten and the temperature drops, billions of animals that migrate embark on one of nature's greatest spectacles: the winter migration. This massive ...

When winter arrives, animals have two main choices: sleep more or shut down almost completely until spring. You’ve probably heard of hibernation, but not every animal that slows down in winter truly ...