"Global Cooling" Wiped Out North America's Reptiles, Amphibians, Study Finds
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Fossils suggest a worldwide cold spell millions of years ago caused the extinction of many cold-blooded animals in North America, thanks to a reverse greenhouse effect.
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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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The first vertebrate species to begin hopping and crawling on land 350 million years ago may be the first to die out, according to a study released yesterday that found a third of all amphibian species worldwide are threatened with extinction.
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The small frogs that croaked in Diane Butler's backyard pond had been silenced and her goldfish were disappearing. She had the culprit, dead in a plastic bag inside her freezer. Butler's capture &#151; a 4 1/2-inch Cuban tree frog &#151; in coastal Savannah has caused a nervous stir among wildlife biologists in Georgia and Florida.
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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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Species in the air and on the ground are in deep trouble, according to two recent studies tallying steep declines in bird and amphibian populations. Scientists are speculating about the causes.
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A sudden influx of freshwater from North America's ancient Lake Agassiz to the North Atlantic 8,200 years ago triggered a precipitous cooling of the region, scientists believe. Now they are trying to predict if and when a similar scenario might happen again.
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According to the first global assessment of amphibians, disease, climate change and habitat loss are threatening one-third of the world&#39;s fragile species of frogs, toads, newts and salamanders.
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Six species of reef-building coral could vanish from the Caribbean due to rising temperatures and toxic runoff from islands' development, according to a study released Thursday
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U.S., Canadian and British scientists have created a new way of determining how extinct species moved that's independent of analyses of limb structure.
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Locked away in fossils is evidence of a sudden solar cooling. Kate Ravilious meets the experts who say it could explain a 3,000-year-old mass migration - and today&#39;s global warming.
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People in Philadelphia would swelter through as many as 30 days over 100 degrees each summer. The entire Northeast ski industry except western Maine would likely go out of business. And spruce and hemlock forests -- as well as song birds such as the Baltimore oriole -- would all but disappear from...
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As many as 122 species have disappeared since 1980, and 1,900 are in danger of becoming extinct.
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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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Fossilized dinosaurs often have wide-open mouths, heads thrown back and tails that curve toward the head. Paleontologists have long assumed the dinosaurs died in water and the currents drifted the bones into that position, or that rigor mortis or drying muscles, tendons and ligaments contorted the limbs.  &quot;I&#39;m reading this in the literature and thinking, &#39;This doesn&#39;t make any sense to me as a veterinarian,&#39;&quot; said Cynthia Marshall Faux, a veterinarian-turned-paleontologist at the Museum of the Rockies. ...
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By AJ HOSTETLER  About 220 million years ago, two reptiles gliding among the trees were apparently blown off course, falling and drowning in a nearby lake that is now the site of a quarry in southern Virginia.
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A new study estimates that if the nearly 12,200 animals and plants currently listed as threatened or endangered disappear, another 6,300 "affiliate" species could also be lost.