News tagged with breeding birds
Hunger may inhibit defensive behavior
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.
Feb 01, 2012 |
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Monogamous birds... peeping on the neighbors!
(PhysOrg.com) -- It is well documented that male birds seduce females using their songs, colourful plumage and courtship dances. These signals reflect male genetic quality and will be graded by the female ...
Jan 27, 2012 |
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Only few seabird species contract avian malaria
Seabirds often live in large colonies in very confined spaces. Parasites, such as fleas and ticks, take advantage of this ideal habitat with its rich supply of nutrition. As a result, they can transmit blood ...
Dec 12, 2011 |
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Endangered Puerto Rican parrot on the rise
(AP) -- Deep amid the dense greenery of a rain forest, down an unmarked road, behind a barbed wire fence in a low-slung compound monitored by security cameras, government scientists are nursing a special ...
Jun 25, 2011 |
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Plovers tracked across the Pacific
Scientists have monitored Pacific Golden Plovers for the first time as they migrate thousands of kilometres nonstop from Hawaii to Alaska in spring and back again in autumn.
Jun 13, 2011 |
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Babysitting birds gain from growing pains
(PhysOrg.com) -- The baffling question of why some animals help raise offspring which aren’t their own is closer to being answered, thanks to new research from The Australian National University.
May 02, 2011 |
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Trapping threatens near-extinct Philippine eagle
Conservationists raised alarm Thursday over the future of the near-extinct Philippine eagle after several maimed or diseased birds were retrieved from captivity over recent months.
Apr 28, 2011 |
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Birds must choose between mating, migrating, study finds
Sex or nice weather. That's the agonizing choice some birds face, according to a new University of Guelph study.
Apr 06, 2011 |
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Climate change affects breeding success in rare tropical bird
(PhysOrg.com) -- A new study from the University of Reading highlights how climate change is having a detrimental effect on an endangered tropical bird population.
Mar 24, 2011 |
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Researchers show environmental changes may affect vital cooperate bird behaviors
While scientists believe that climate change and related extreme weather events such as drought and flooding will likely affect the earth's flora and fauna, just how much is not known. A new study by researchers Walter Jetz ...
Jan 11, 2011 |
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Every egg is different
Migratory birds have to allocate their resources for reproduction in an efficient way in order to commence breeding shortly after arrival. Researchers from the Max Planck Institute for Ornithology in Seewiesen ...
Oct 07, 2010 |
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World traveling godwits keep a strict schedule
New research has shown bar-tailed godwits are hard-wired to keep to tight schedules for their extraordinary annual 30,000km return journey between New Zealand and Alaska.
Sep 09, 2010 |
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Even small patches of urban woods are valuable for migrating birds
Even tiny patches of woods in urban areas seem to provide adequate food and protection for some species of migrating birds as they fly between wintering and breeding grounds, new research has found.
May 18, 2010 |
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Bird migration becoming more hazardous
(PhysOrg.com) -- Can you imagine living your whole life in summer? In one of the most spectacular wildlife migrations on the planet, millions of shorebirds do exactly this by making a 20,000km round trip from their Arctic ...
Feb 03, 2010 |
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Female birds -- acting just like the guys -- become sexual show-offs in cooperative breeding species
(PhysOrg.com) -- Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing ...
Dec 09, 2009 |
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