Infrared video reveals how hummingbirds dissipate heat

(Phys.org)—A team of researchers with George Fox University in Oregon and the University of Montana has uncovered the ways in which calliope hummingbirds (Selasphorus calliope) get rid of the large amount of heat that is ...

A small vortex on the wing makes the elegance of birds' flight

One mystery of birds' flight is solved! The elegance of birds' flight, their seemingly effortless aerial turns and the softness of their landing, have been envied by many people. From countless observations, it has been known ...

Differences in feathers shed light on evolution of flight

The asymmetrical flight feathers of their wings are among the most distinctive features of living birds. But how are these feathers actually constructed, and when did they first appear in evolutionary history?

Collapsible wings help birds cope with turbulence

Collapsible wings may be a bird's answer to turbulence according to an Oxford University study in which an eagle carried its own 'black box' flight recorder on its back.

Peacock's train is not such a drag

The magnificent plumage of the peacock may not be quite the sacrifice to love that it appears to be, University of Leeds researchers have discovered.

Migrating birds sprint in spring, but take things easy in autumn

Passerine birds, also known as perching birds, that migrate by night tend to fly faster in spring than they do in autumn to reach their destinations. This seasonal difference in flight speed is especially noticeable among ...

New fossil shows Archaeopteryx sported 'feathered trousers'

The origin of feathers and the origin of flight have been a contentious chicken-and-egg issue in the scientific world for decades. Did feathers develop as a flight mechanism - or were they first used for other purposes?

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