News tagged with beak size
New Research on Darwin's Finches Offers Rare Glimpse Into How Species Diverge
Biology /
Nov 10, 2008 |
4.8 / 5 (6) |
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(PhysOrg.com) -- Some of the latest research on Darwin’s finches of the Galapagos Islands shows an unexpected pattern of natural selection that is allowing researchers “a rare glimpse into what the early stages ...
Search results for beak size
Prehistoric equatorial penguins reached 5 feet in height
Biology /
Jun 25, 2007 |
4.6 / 5 (18) |
0
Giant prehistoric penguins? In Peru? It sounds more like something out of Hollywood than science, but a researcher from North Carolina State University along with U.S., Peruvian and Argentine collaborators ...
How evolution learns from past environments to adapt to new environments
Biology /
Nov 07, 2008 |
4.4 / 5 (18) |
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The evolution of novel characteristics within organisms can be enhanced when environments change in a systematic manner, according to a new study by Weizmann Institute researchers. Merav Parter, Nadav Kashtan and Uri Alon ...
Earliest toothless bird found
Other Sciences / Archaeology & Fossils
Dec 10, 2009 |
4.8 / 5 (5) |
0
(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 ...
Extinct New Zealand eagle may have eaten humans
Other Sciences / Archaeology & Fossils
Sep 11, 2009 |
4.3 / 5 (15) |
3
(AP) -- Sophisticated computer scans of fossils have helped solve a mystery over the nature of a giant, ancient raptor known as the Haast's eagle which became extinct about 500 years ago, researchers said Friday.
Birdsong sounds sweeter because throats filter out messy overtones
Apr 04, 2006 |
3.8 / 5 (4) |
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The purity of birdsong is owed in large part to rapid, controlled changes in the shape of the birds' upper vocal tracts, according to a new study of Northern Cardinals by scientists at Indiana University Bloomington, ...
Birds Call to Warn Friends and Enemies
Dec 03, 2009 |
not rated yet |
0
(PhysOrg.com) -- Birds' alarm calls serve both to alert other birds to danger and to warn off predators. And some birds can pull a ventriloquist's trick, singing from the side of their mouths, according to a UC Davis study.
Tracing the Roots of the California Condor
Other Sciences / Archaeology & Fossils
Oct 29, 2007 |
4.6 / 5 (8) |
1
At the end of the Pleistocene epoch some 10,000 years ago, two species of condors in California competed for resources amidst the retreating ice of Earth's last major glacial age. The modern California condor triumphed, while ...
Study explores violent world of raptors
Nov 25, 2009 |
5 / 5 (1) |
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A journey that started with a box of bird feet carried three Montana State University graduate students into the gruesome world of raptors and led to their findings being published in a prominent journal.
Researcher sheds light on 'man-eating' squid; finds them timid, non-threatening
Jul 23, 2009 |
4.4 / 5 (5) |
1
News reports last week about scuba divers off San Diego being menaced by large numbers of Humboldt's or jumbo squid have raised the ire of University of Rhode Island biologist Brad Seibel. As a leading expert on the species ...
Beaked, bird-like dinosaur tells story of finger evolution
Other Sciences / Archaeology & Fossils
Jun 17, 2009 |
4.5 / 5 (4) |
2
James Clark, the Ronald B. Weintraub Professor of Biology in The George Washington University's Columbian College of Arts and Sciences, and Xu Xing, of the Chinese Academy of Science's Institute of Vertebrate Paleontology ...
List of search results for beak size
