Category Archive: sciencedaily

Feb 17 2012

For the Birds: Winged Predators Seek Certain Trees When Foraging for Caterpillars

Coal Tit

Unfortunately for caterpillars, munching on tree leaves that are healthy and tasty can dramatically boost their own risk of becoming food. Study results, published online this week in The American Naturalist, show that dining on the trees that are most nutritious for caterpillars — such as the black cherry — can increase by 90 percent …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2012-17-friday-166

Feb 17 2012

Climate Change Threatens Tropical Birds: Global Warming, Extreme Weather Aggravate Habitat Loss, Review Finds

Boat-billed Flycatcher

Climate change spells trouble for many tropical birds — especially those living in mountains, coastal forests and relatively small areas — and the damage will be compounded by other threats like habitat loss, disease and competition among species. That is among the conclusions of a review of nearly 200 scientific studies relevant to the topic. …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2012-17-friday-165

Feb 17 2012

Chickadee, Nutchatch Presence In Conifers Increases Tree Growth, Says Study

Yellow Warbler

Chickadees, nuthatches and warblers foraging their way through forests have been shown to spur the growth of pine trees in the West by as much as one-third, according to a new University of Colorado at Boulder study. The study showed birds removed various species of beetles, caterpillars, ants and aphids from tree branches, increasing the …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2012-17-friday-167

Feb 17 2012

Saving One of the World’s Most Endangered Birds

The Tuamotu Kingfisher is a multicolored, tropical bird with bright blue feathers, a dusty orange head, and a bright green back. The entire population of these birds — less than 125 — lives on one tiny island in the south Pacific, and without serious intervention, they will no longer exist. One University of Missouri researcher …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2012-17-friday-168

Feb 17 2012

Mariana Crow Will Go Extinct in 75 Years, Study Suggests

Researchers from the University of Washington say the Mariana crow, a forest crow living on Rota Island in the western Pacific Ocean, will go extinct in 75 years. The extinction could happen almost twice as soon as previously believed. The crow’s extinction can be prevented with a bird management program that focuses on helping fledgling …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2012-17-friday-169

Feb 17 2012

Disease Risks When Moving Wildlife To New Areas: Endangered Laysan Duck Cautionary Tale

Laysan ducks, one of the world’s most endangered waterfowl, are native to only the Hawaiian archipelago. For 150 years, Laysan ducks were restricted to an estimated 4 square kilometers of land on Laysan Island in the northwestern Hawaiian Islands. In 2004 and 2005, in an effort to rebuild the population, biologists released 42 Laysan ducks …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2012-17-friday-170

Feb 17 2012

New Bird Species Discovered

The announcement of the discovery of a new bird comes with a twist: It?s a white-eye, but its eye isn?t white. Still, what this new bird lacks in literal qualities it makes up for as one of the surprises that nature still has tucked away in little-explored corners of the world. read more at sciencedaily

Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2008-19-thursday-151

Feb 17 2012

What Gets A Females Attention, At Least A Songbirds

Male songbirds produce a subtly different tune when they are courting a female than when they are singing on their own. Now, new research offers a window into the effect this has on females, showing they have an ear for detail. The finding provides insights not only into the intricacies of songbird attraction and devotion …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2008-20-friday-152

Feb 17 2012

The Song Doesnt Remain The Same In Fragmented Bird Populations

Greenfinch

The song of passerine birds is a conspicuous and exaggerated display shaped by sexual selection in the context of male-male competition or mate attraction. At the level of the individual, song is considered an indicator of male ‘quality’. read more at sciencedaily

Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2008-20-friday-153

Feb 17 2012

Early Bird Doesnt Always Get The Worm, New Researcher Finds

chaffinch uplose

Competing against older brothers and sisters can be tough work, as any youngest child will tell you. But new research from a biologist at the University of North Carolina at Chapel Hill shows that when it comes to some birds, you should reserve any underdog sympathies for the first born — or rather, first laid …

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Permanent link to this article: http://www.planetofbirds.com/sciencedaily-2008-13-thursday-146

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