News tagged with breeding birds
Albatross camera reveals fascinating feeding interaction with killer whale
Scientists from British Antarctic Survey, National Institute of Polar Research, Tokyo, and Hokkaido University, Japan, have recorded the first observations of how albatrosses feed alongside marine mammals ...
Oct 07, 2009 |
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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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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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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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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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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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First evidence for a second breeding season among migratory songbirds
Biologists for the first time have documented a second breeding season during the annual cycle of five songbird species that spend summers in temperate North America and winters in tropical Central and South ...
Oct 26, 2009 |
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Antarctic albatross displays shift in breeding habits
A new study of the wandering albatross -- one of the largest birds on Earth -- has shown that some of the birds are breeding earlier in the season compared with 30 years ago.
Apr 30, 2012 |
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New technology tracks sparrow migration for first time from California to Alaska
Using tiny tags to track a bird's location, biologists from PRBO Conservation Science (PRBO) have unlocked the mystery of where Golden-crowned Sparrows, which overwinter in California, go to breed in the spring. Published ...
Apr 11, 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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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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