Scientist: Rabbit gone from Yellowstone
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A jack rabbit found throughout much of the West has disappeared from the Yellowstone area, although the reason why remains a mystery, a new study concludes.
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HELENA, Montana  - Federal officials and the state of Montana said on Friday they had agreed to scrap a plan to kill 300 bison, including an estimated 100 calves, roaming outside the confines of Yellowstone National Park.
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Officials in Scotland's Outer Hebrides are considering a mass slaughter of rabbits to protect fragile sand pastures.  The rabbit infestation is bad and getting worse in many places, John MacKay, a local council member in Ness, told The Scotsman.
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&quot;They&#39;ve closed down the observatory there for a while, just to be safe,&quot; Alice Johnston said. The observatory is the Johnston Ridge Observatory on Johnston Ridge, about 5 miles from the volcano.
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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.
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Science & environment: Scientists, led by Professor  Robert Winston switch pig project to United States.
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Many large mammals were wiped out in the last Ice Age but the Eurasian giant deer managed to survive, scientists said on Wednesday.
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The death of a hippopotamus who spent nearly 29 hours in a crate as she was transferred from Denver to Canada was an accident that no one could have reasonably foreseen, an independent veterinarian concluded this week.
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The BBC's Sue Nelson investigates claims that wild animals, who escaped the impact of the quake, may have a sixth sense.
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By John Cramer, The Roanoke Times, Va.  Mar. 4--The cougar supposedly disappeared in the eastern United States more than a century ago, a symbol of America's natural history and our unspoken fear of what lurks in the wilderness.
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EBERSWALDE, Germany -- Few people raise bigger bunny rabbits than Karl Szmolinsky, who has been producing long-eared whoppers since 1964. His favorite breed, German gray giants, are the size of a full-grown beagle and so fat they can barely hop.
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The only surviving pair of endangered pygmy rabbits released as part of a program to increase their numbers in the wild have dodged coyotes, badgers, hawks and owls and found time for love. Proud scientists announced Thursday that the rabbits have successfully bred.
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Scientists who spent nearly a month in  a fruitless search for a Chinese river dolphin that is more  endangered than the Giant Panda say there may be no more than  50 left alive, the Xinhua news agency said on Saturday.
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The best available science indicates that the current level of sage grouse protection implemented in oil and gas fields is not enough to maintain the bird's population, according to wildlife biologists in Wyoming, Montana, Colorado, North Dakota and Utah.
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Researchers say Mongolia's last nomadic reindeer herders could disappear unless their ancestral forests are protected. Already some nomads have been forced to eat the reindeer they depend on. Photo Gallery.
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SALMON, Idaho  - Public outrage prompted a temporary stay of execution on Wednesday for 300 bison, including an estimated 100 calves, roaming in Montana outside the confines of Yellowstone National Park.
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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.