News tagged with bird population
Wisconsin lab says it solved blackbird die-off
The mystery of the deaths of thousands of blackbirds in Arkansas this month has been solved, federal scientists say.
Jan 07, 2011 |
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Study catches two bird populations as they split into seperate species
A new study finds that a change in a single gene has sent two closely related bird populations on their way to becoming two distinct species. The study, published in the August issue of the American Naturalist, is one of ...
Jul 14, 2009 |
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Disappearance of New Zealand birds 100 years ago makes life tough for plants: study
(PhysOrg.com) -- A team of scientists in New Zealand has found the local disappearance of pollinating birds over a hundred years ago is having a detrimental effect on the species they pollinated.
Feb 07, 2011 |
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Elephant bird probably wiped out by nest raiders and habitat loss
(PhysOrg.com) -- Sir David Attenborough has returned to the island of Madagascar to discover the fate of the elephant bird, the largest bird ever to live on Earth, and to make a BBC documentary about it: "Attenborough ...
Dec 21, 2010 |
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Long-distance journeys are out of fashion: Global warming is causing evolutionary changes in bird migration
(PhysOrg.com) -- The results of genetic studies on migratory birds substantiate the theory that in the case of a continued global warming, and within only a few generations, migratory birds will - subject ...
Apr 20, 2010 |
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New species abound in Peru, but so do threats
Each year, a new bird is found and every four years a new mammal discovered in the Peruvian Amazon, a haven for biodiversity where conservation and danger often go hand in hand.
Dec 28, 2010 |
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Counting penguins from space
A new study using satellite mapping technology reveals there are twice as many emperor penguins in Antarctica than was previously thought. The results provide an important benchmark for monitoring the impact ...
Apr 13, 2012 |
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Are all alien encounters bad?
The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.
Aug 30, 2011 |
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Bird populations near Fukushima are more diminished than expected
(PhysOrg.com) -- Low-level radiation in Fukushima Prefecture appears to have had immediate effects on bird populations, and to a greater degree than was expected from a related analysis of Chernobyl, an international ...
Feb 09, 2012 |
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It's for the birds: Historical bird files give insight into climate change
On Nov. 1, 1933, Mrs. Bruce Reid recorded seeing both a male and female ivory-billed woodpecker in Texas. And on May 28, 1938, Oscar McKinley Bryans observed a ruby-throated hummingbird in Michigan, noting that the birds ...
Mar 18, 2009 |
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Arctic marine mammals and fish populations on the rise
Arctic marine mammals and fish populations are on the rise, according to a report released on Monday by the the Arctic Council's biodiversity working group at a Montreal conference.
Apr 24, 2012 |
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Report: Birds endangered by energy development
(AP) -- As the Obama administration pursues more homegrown energy sources, a new government report faults energy production of all types - wind, ethanol and mountaintop coal mining - for contributing to steep ...
Mar 19, 2009 |
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Winter sports threaten indigenous mountain birds
In the winter months, the mountain ranges of central Europe attract thousands of tourists for skiing, snowboarding and other outdoor sports, but conservationists fear this annual invasion may threaten indigenous bird species, ...
Jan 11, 2011 |
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Birds in Flint Hills of Kansas, Oklahoma face population decline despite large habitat
The wide-open spaces of the Flint Hills may no longer provide a secure home on the range for several familiar grassland birds, according to research by a Kansas State University ecologist and her colleagues.
Mar 03, 2009 |
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River declines now causing havoc in birdlife in Australia
(PhysOrg.com) -- The slow death of one of Australia's iconic wetlands is causing dramatic upheavals in its bird populations, with species from surrounding farmland moving in to replace many small woodland ...
May 04, 2010 |
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