The Wright Brothers studied bird flight before they designed the first airplane. Now modern aircraft fly higher and faster ...

Prominent black crescent framing lower edge of auricular. On perched bird, wing patch shows only as a thin white line along the leading edge of the folded wing. Adult male: grayish or grayish ...

As North America moves into spring, hummingbirds are migrating north. Hummingbird Central uses crowdsourced sightings to show ...

Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are found worldwide and ...

In February and March, male red-wings travel north from their southern wintering grounds and find good spots for nesting and feeding.

Birds lay eggs in nests to keep them safe and warm until a chick hatches out. Most birds use their wings to fly but some birds can’t fly such as penguins. They use their wings to swim underwater ...