The common swift is built for the air. It has long, narrow wings, a lightweight body and a shape that helps it glide efficiently. Swifts rarely touch the ground and perform many life activities while ...

A migratory bird that almost never stops flying sometimes slips into a brief, hibernation-like state inside its nest during chilly breeding periods. When not breeding, the common swift (Apus apus), a ...

Swift bird in flight with a colorful sky in background. Black swallow. Image with copy space.© Marco Lissoni/Shutterstock.com Of all the marvels of the natural world, few are as astonishing as the ...

This image shows a Common swift in the air by N. Camilleri. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or ...