They appear as invaders, taking over a neighborhood and erecting tall dwellings seemingly overnight. Offspring and relatives soon follow, and their ensuing racket is not to be spoken of in polite company.
Plants & Animals
Oct 17, 2012
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A plant that is unremarkable in one environment becomes an invasive species in another, pushing through house foundations and sprouting up through roads. A house sparrow that's a perfectly charming resident of the English ...
Ecology
Oct 2, 2012
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By outfitting two British Columbia subspecies of Swainson's thrushes with penny-sized, state-of-the-art geolocators, University of British Columbia researchers have been able to map their wildly divergent migration routes ...
Plants & Animals
Sep 25, 2012
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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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(Phys.org)—A small group of researchers from the University of California, Davis has found that a species of bird, the western scrub jay, responds to the presence of a dead specimen of one of their own, by calling out loudly ...
(Phys.org) -- James Goodson and colleagues at Indiana University have found that by altering the secretion of the hormone VIP in certain parts of the brain, treated birds lose their aggressive tendencies. As they write in ...
Why wasn't this intruder getting the message? The lord of the manor had warned him repeatedly to back off, with threatening gestures and loud admonitions. But the trespasser just sat there - singing.
Plants & Animals
May 18, 2012
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Most animals don't spend nearly as much time and energy defending nesting or mating sites against intruders outside the breeding season. That's a given.
Plants & Animals
Feb 1, 2012
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Watching thousands of birds fly in a highly coordinated, yet leaderless, flock can be utterly baffling to humans. Now, new research is peeling back the layers of mystery to show how exactly they do it -- and why it might ...
Plants & Animals
Oct 26, 2011
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(PhysOrg.com) -- A new study published in Animal Behavior shows that crows are capable of recognizing symbols designed to represent different quantities and is one of many different studies currently looking at the behavior ...
