It may not kill them outright, but low-level PCB (polychlorinated biphenyls) contamination disrupts how some birds sing their songs, report Cornell researchers.
Plants & Animals
Sep 19, 2013
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Male birds that exhibit 'shy' social behaviour are much more likely to join flocks of birds with a similar personality than their 'bold' male counterparts, a new study has found. But shy birds also have fewer social partners ...
Plants & Animals
Sep 17, 2013
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Older male nightingales perform faster and more demanding trills than their younger rivals. These findings were published by researchers at the University of Basel and the Netherlands Institute of Ecology in the online edition ...
Plants & Animals
Aug 12, 2013
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(Phys.org) —The solitaire bird was a giant flightless pigeon that, like its closest relative the dodo, became extinct soon after European explorers settled in its habitat. It had a strange knob-like ball on its wing and ...
Plants & Animals
May 28, 2013
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(Phys.org) —An Arizona State University biologist and her team have found that the Asian subspecies of great bustard, one of the heaviest birds capable of flight, covers migratory routes of more than 2,000 miles, travelling ...
Plants & Animals
Apr 17, 2013
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Some of the largest female birds in the world were almost twice as big as their male mates. Research carried out by the Zoological Society of London (ZSL) shows that this amazing size difference in giant moa was not due to ...
Plants & Animals
Apr 9, 2013
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In the bird world, male and female blue tits are hard to distinguish for the human observer. However, in the UV-range, visible to birds, the male is much more colourful. A closer look at the monogamous mating system of these ...
Evolution
Apr 3, 2013
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(Phys.org)—Small migratory male birds that winter in a stressful environment age faster than those that winter in a high-quality habitat, according to research stemming from a collaborative National Science Foundation grant ...
Ecology
Feb 26, 2013
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Thanks to cultural evolution, male Savannah sparrows are changing their tune, partly to attract "the ladies."
Plants & Animals
Jan 29, 2013
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(Phys.org)—Male birds use their song to dupe females they have just met by pretending they are in excellent physical condition. Just as some men try to cast themselves in a better light when they approach would-be dates, ...
Plants & Animals
Dec 18, 2012
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