Marina Henke: With insects, wings diversify even more. That’s because when you're really tiny, the viscosity of the air ...

Birds-of-paradise have captivated the planet with their elaborate plumage and idiosyncratic mating dances. Some species ...

If your house has a brick chimney, you may have some unexpected bird visitors this summer. But please don’t shoo them away.

A sobering new study published in Nature Ecology & Evolution reveals that more than 500 bird species could go extinct within the next century due to escalating threats from climate change, habitat ...

How Bird Flu Went from an Isolated Avian Illness to a Human Pandemic Threat (Part 1) ...

Wild Things columnist Eric Brown is buzzing with enthusiasm about the varied insects to be found during a record sunny spring and the benefits to birds relying on them for food. While it awaits a ...

The Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact [email protected] International media ...

Statistical analyses across hundreds of species revealed that bird wing and leg proportions evolve independently and accommodate divergent ecological tasks. By contrast, bat limbs evolve in unison ...

Birds usually have a prominent breast keel where heavy muscles are attached; in bats, only one muscle is attached to the breastbone, the ribs are flattened, and there is some fusing of the vertebral ...

Oceanbird wing sails to demonstrate wind-based marine propulsion Part of project Orcelle Horizon, the composites-intensive, 560-square-meter structure will undergo ground-based testing before ...