Every year, billions of birds migrate in and out of the United States. And across the world, birds fly thousands of miles to ...

Summer heatwaves can be brutal for humans, but they're equally challenging for the birds in your backyard. While birds have ...

Hummingbirds are unique birds for many reasons. Not only do hummingbirds help pollination by visiting hundreds of flowers per day, they can also beat their wings up to 60 to 80 times per second ...

They are a vocal bird and can be highly entertaining for the right person. Cockatoos are large birds. They can grow up to 18 inches in length and weigh up to 26 ounces, or about 1.7 pounds.

Birds undergo molting, the process of shedding old feathers and growing new ones, which can result in color transformations. Most birds experience an annual molt, typically after the breeding ...

But we can help. Birds fluff and expose bare skin to water to transfer heat. Most birds, however, have a body temperature reaching around 104 degrees.

Birds keep warm by shivering, fluffing their feathers, cuddling together and tucking in their feet and bills. Birds increase their body weight in late summer and fall to prepare for winter.

Why do birds sing so loudly in the morning in spring? It’s the ‘dawn chorus’ Yes, there are more birds singing at this time of year. But their symphony is also louder and more energetic than ...

Timing can also be a useful clue for birders: In some migratory species, the female birds migrate later in the spring than the males do. Ms. Wu encouraged birders to embrace the challenge of ...

How birds can make their own down coat "Robins are really good at moving locally to find fruit," he said. "All throughout Michigan you'll see fruiting trees in the winter, ...

While some birds can flutter in place momentarily, the hummingbird can hover in one place for an extended period, fly forward or backward, and move at an incredible speed.