Almost a third of US birds &quot;declining significantly&quot;
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Around 30% of North America&#39;s bird species are declining significantly according to a new report from The National Audubon Society (BirdLife in the US).
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A new Audubon study is one of the most comprehensive looks at bird-population trends in North America.
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Almost 30 percent of bird populations in North America are facing a &quot;significant decline,&quot; The National Audubon Society said in its first &quot;The State of the Birds&quot; report Tuesday.
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The global extinction crisis is worse than thought, because thousands of &quot;affiliated&quot; species also at risk do not figure in calculations.
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Dog-walking could be having a dramatic impact on local bird life, a study suggests.
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Scientists are trying to figure out why the number of loggerhead sea turtle nests has declined significantly over the past seven years.
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November 17, 2004 (Bangkok, Thailand) - The world&#39;s biodiversity is declining at an unprecedented rate, according to the 2004 IUCN Red List of Threatened Species and a companion study of the data, the Global Species Assessment (GSA).
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By the end of the century one in 10 species of birds in the world will be extinct and a further 15 per cent will be on the brink of extinction according to one of the largest studies of avian biodiversity.
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Almost a third of the world's amphibian species are confronted by the prospect of extinction, naturalists say.
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By John Biemer, Chicago Tribune  Dec. 18--In their annual migration south for the winter, most birds don't fly commercial.
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One in 10 of all bird species is likely to disappear by the end of the century, according to a study published today. A further 15 per cent of birds could be on the brink
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By the end of the century one in 10 species of birds in the world will be extinct and a further 15 percent will be on the brink of extinction.
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(National-NBC) Dec. 14, 2004 - Conservation biologists say ten percent of all bird species could be extinct in the next 100 years.
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Populations of the hamster-like American pika continue to decline in the West and global warming is partly to blame, a new study says.
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By building homes on prairies, draining wetlands and clearing forests, humans are diminishing bird populations, according to a new National Audubon Society study.
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More than 200 European bird species, including 70 in the UK, are under threat, a study warns.
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Science & environment: Almost half of common European birds are heading towards 'continental extinction', a new report warns