News tagged with feathers

Related topics:

When a whistle beats a tweet

Biologists have discovered that a species of Australian pigeon has a secret way of alerting fellow birds to predators -- a "whistle" emitted by flapping wings when the bird takes off in alarm.

Sep 01, 2009 not rated yet 1

What limits the size of birds?

Why aren't birds larger? Fifteen-kilogram swans hold the current upper size record for flying birds, although the extinct Argentavis of the Miocene Epoch in Argentina is estimated to have weighed 70 kilograms, the size of ...

Jun 16, 2009 5 / 5 (7) 2

Falcon feathers pop-up during dive

Similar to wings and fins with self-adaptive flaps, the feathers on a diving peregrine falcon's feathers may pop-up during high speed dives, according to a study published in PLOS ONE on January 29, 2014 b ...

Feb 06, 2014 5 / 5 (1) 0