Female zebra finches don't sing but make one-note, low-pitch calls. Males sing over a wide range of frequencies. University of Utah scientists discovered how: The males' stronger vocal muscles, not the pressure of air flowing ...
Plants & Animals
Jun 29, 2010
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(PhysOrg.com) -- Bird song learning is a model system for studying the general principles of learning, but attempts to draw parallels between learning in birds and mammals have been difficult because of anatomical brain differences ...
Plants & Animals
May 18, 2010
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A unique three-year longitudinal and vertical study of Central New York's Three Rivers system—involving the Oswego, Oneida and Seneca rivers—has revealed that oxygen resources have become degraded by several stressors, ...
Environment
Apr 29, 2010
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(PhysOrg.com) -- Some female zebra finches foist a part of their eggs on their neighbours. Scientists of the Max Planck Institute for Ornithology in Seewiesen discovered that in every fifth nest there is one egg that is not ...
Plants & Animals
Apr 22, 2010
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(PhysOrg.com) -- Two notorious Great Lakes invaders -- the zebra mussel and the round goby -- now play a central role in transferring toxic chemicals called PCBs up the food chain and into Saginaw Bay walleyes, one of that ...
Ecology
Apr 9, 2010
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Darwin's finches - some 14 related species of songbirds found on the Galapagos and Cocos Islands - will forever be enshrined in history for having planted the seeds of the theory of evolution through natural selection. Today, ...
Plants & Animals
Apr 6, 2010
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Nearly all animals make sounds instinctively, but baby songbirds learn to sing in virtually the same way human infants learn to speak: by imitating a parent.
Plants & Animals
Mar 31, 2010
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(PhysOrg.com) -- Cooperative behaviors are rare in the animal kingdom and remain a great enigma for evolutionary biologists. A new study by Frederique Dubois, a professor at the University of Montreal Department of Biology ...
Plants & Animals
Feb 25, 2010
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(PhysOrg.com) -- Just like us, songbirds need tutoring to learn to vocalize and sing.
Plants & Animals
Feb 18, 2010
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(PhysOrg.com) -- Female zebra finches do not only differ in the way they chose their mate but also in their preference for a partner.
Plants & Animals
Jan 12, 2010
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