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

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

In flight, wings appear translucent. Adult: one molt per year, but fresh fall adults look very different from summer birds. On freshly ... in the Americas, and out-of-range individuals (e.g ...

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 ...