Of all the marvels of the natural world, few are as astonishing as the common swift (Apus apus). These small birds spend nearly their entire lives in flight, engaging in activities such as eating, ...

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 ...

We have studied the nocturnal flight behaviour of the common swift (Apus apus L.), by the use of a tracking radar. Birds were tracked from Lund University in southern Sweden during spring migration, ...

The physiology of Apus apus is highly specialized, enabling essential functions, such as feeding, drinking, resting, and even mating, to occur almost entirely while airborne Remaining airborne for up ...

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 ...