Study: Starvation Caused Moose Decline
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Malnutrition and starvation have drastically reduced moose numbers in northwest Wyoming, according to the author of a new study that debunks the belief among some that wolves are a leading cause of the decline.
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A key food source for Antarctic seals, whales and penguins has declined about 80 percent since the 1970s in ocean waters near the Antarctic Peninsula, researchers report.
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Deer probably spread a brain-destroying illness called chronic wasting disease through their saliva, concludes a study that finally pins down a long-suspected culprit.
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New data casts doubt on the popular theory that big North American mammals were wiped out by human hunting.
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Several common species of North American birds have suffered drastic population declines since the arrival of the West Nile virus eight years ago, leaving rural and suburban areas quieter than they used to be and imposing ecological stresses on a variety of other animals and plants, a new study has...
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The Arctic ice cap is melting faster than scientists had expected and will shrink 40 percent by 2050 in most regions, with grim consequences for polar bears, walruses and other marine animals, according to government researchers.
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Frogs, butterflies, polar bears, and penguins are dying out from climate change much faster than researchers had previously expected, a new study shows.
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BAKU. June 18 (Interfax) - The decline in the Caspian seal population may be the result of warm winters, declining fish stocks, and pollution of the Caspian Sea, the website of Azerbaijan's Environment and Natural Resources Ministry says.
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Now a new study, published tomorrow in the science journal Nature, suggests that another striking mammal, the Irish elk, likewise lived way beyond the last ice age.
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OSLO, Norway  - Ideal for an Ice Age, white fur  used as camouflage by animals from polar bears to Arctic foxes  may be going out of fashion because of global warming.
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Scientists studying the broader effects of wolf reintroduction said a growing body of evidence suggests that killing off predators such as wolves and grizzly bears in the last century started a cascade of effects that threw ecosystems out of balance.
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The key to saving dwindling European fish stocks is for people to consume less fish, conservationists say.
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Populations of the American pika &#151; a hamster-like rodent unable to survive in warm climates &#151; continue to decline in the West, apparently due in part to global warming, a new study says.
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Apparently, the same things that makes large, toothy predators so good at hunting big game also make them more vulnerable to extinction - as is shown in a new study of a
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Ancient bison DNA may help explain a longstanding mystery of North American wildlife: why mammoths, North American lions, short-faced bears and many other large mammals disappeared about 10,000 years ago.
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A new investigation into extinctions caused by climate change has revealed that the giant deer, previously thought to have been wiped out by a cold spell 10,500 years ago, instead survived well into the modern era.
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WASHINGTON Nov 25, 2004 - Big game hunters may be off the hook in the latest twist of a prehistoric whodunit that tries to explain why bison populations sharply crashed thousands of years ago.