New research provides evidence that dinosaurs evolved the brainpower necessary for flight well before they actually took to the air as birds. Based on high-resolution X-ray computed tomographic (CT) scans, the study, published ...
Archaeology
Jul 31, 2013
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Evolutionary biologists at Johns Hopkins Medicine report they have combined PET scans of modern pigeons along with studies of dinosaur fossils to help answer an enduring question in biology: How did the brains of birds evolve ...
Plants & Animals
Jan 30, 2024
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(Phys.org) —Two biologists from Canada working in France have found that birds that land on roads adapt to average highway speeds—the higher the speed limit, the sooner they take flight when a car approaches. In their ...
His office is filled with all sorts of bird books, but Duke neuroscientist Erich Jarvis didn't become an expert on the avian family tree because of any particular interest in our feathered friends. Rather, it was his fascination ...
Biotechnology
Dec 11, 2014
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(Phys.org)—Cross a crow and it'll remember you for years. Crows and humans share the ability to recognize faces and associate them with negative, as well as positive, feelings. The way the brain activates during that process ...
Plants & Animals
Sep 10, 2012
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Big brains can help an animal mount quick, flexible behavioral responses to frequent or unexpected environmental changes. But some birds just don't need 'em.
Evolution
Aug 23, 2019
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(Phys.org) —A team of researchers with members from the U.S. Hungary, France and Spain has found that birds that have proportionally bigger brains tend to experience less stress than those with proportionally smaller brains. ...
A team of researchers from the Howard Hughes Medical Institute, the University of California–San Francisco and the University of Texas has used genetic sequencing to compare the brains of birds and mammals. They've published ...
Female cowbirds incapable of recognizing high-quality male songs can alter the behavior of flock-mates of either sex and disrupt overall social structure, according to research published May 1 in the open access journal PLOS ...
Plants & Animals
May 1, 2013
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(PhysOrg.com) -- The brain activity of ostriches in REM sleep is unique, alternating between fast, small waves - characteristic of REM sleep in other birds, and large, slow waves typical of those occurring during slow wave ...
Plants & Animals
Aug 25, 2011
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