News tagged with feathers

Related topics:

Earliest toothless bird found

(PhysOrg.com) -- A new species of bird from the Cretaceous period in China has been identified. It had toothless upper and lower jaws, and provides significant information on the diversification in the evolution ...

Dec 10, 2009 weblog
4.8 / 5 (5) 0

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

Long, sexy tails not a drag on male birds

The long tails sported by many male birds in the tropics look like they're a drag to carry around and a distinct disadvantage when fleeing predators, but experiments by University of California, Berkeley, ...

Mar 12, 2009
4.5 / 5 (2) 0

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

Big bang theory: How did dinosaurs have sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long and wei ...

Jul 16, 2013
4.6 / 5 (7) 5