News tagged with cougars
Study finds that hunters are depleting lion and cougar populations
Jun 17, 2009 |
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Sport hunters are depleting lion and cougar populations as managers respond to demands to control predators that threaten livestock and humans, according to a study published in the June 17 issue of PLoS ONE. The study was le ...
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Biologists race to clear a path to survival for Northwestern cougars
Biology /
Feb 12, 2008 |
2.7 / 5 (3) |
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Cougars have been under siege in the United States since the arrival of European settlers, victims of extirpation campaigns and habitat destruction as inhabitants converted wilderness to farmland and pasture. These campaigns ...
Loss of top predators causing surge in smaller predators, ecosystem collapse
Oct 01, 2009 |
5 / 5 (4) |
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The catastrophic decline around the world of "apex" predators such as wolves, cougars, lions or sharks has led to a huge increase in smaller "mesopredators" that are causing major economic and ecological disruptions, ...
Dog to be world's first whale poop expert
Biology /
May 22, 2006 |
2.3 / 5 (6) |
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University of Washington scientists are training an Australian cattle dog for an unusual assignment: detecting whale excrement to help the endangered mammals.
Loss of Wolves Causes Major Ecosystem Disruption at Olympic National Park
Biology /
Jul 11, 2008 |
4.4 / 5 (25) |
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(PhysOrg.com) -- Olympic National Park was created in 1938, in part “to preserve the finest sample of primeval forests in the entire United States” – but a new study at Oregon State University suggests that ...
Fossil Museum on the Web
Apr 06, 2006 |
3.5 / 5 (2) |
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Ancient shells, dinosaur bones and other fossils are on display at http://www.3Dmuseum.org, a virtual gallery created by Ryosuke Motani, an assistant professor of geology at UC Davis. The Web interface allows users to turn, zo ...
Study offers new paradigm on ecosystem ecology
Biology /
Feb 14, 2008 |
4.2 / 5 (6) |
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Predators have considerably more influence than plants over how an ecosystem functions, according to a Yale study published today in Science.
Scientists testing oral contraceptives for animals
Biology /
Feb 19, 2008 |
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If you’re a land owner and animals such as coyotes or wild pigs are driving you hog wild, help may soon be on the way to control their numbers in a humane way – in the form of a birth control pill for animals being developed ...
Researchers determine why wolves not dispersing as fast as expected in Yellowstone
Biology /
Nov 01, 2006 |
3.7 / 5 (6) |
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In 1995, 14 wolves were transferred to Yellowstone National Park in the U.S. from the Canadian Rocky Mountains, with 17 more joining them the following year. More than 1,000 healthy wolves have descended from the original ...
Tiny pump means pain relief for big cats
Sep 01, 2009 |
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1
Veterinarians from the Wildlife Conservation Society's Bronx Zoo and the University of Tennessee have found a solution to the challenge of providing effective pain relief to some of their most difficult patients: ...
Innovative model connects circuit theory to wildlife corridors
Biology /
Dec 20, 2007 |
4.3 / 5 (7) |
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Scientists at Northern Arizona University and the National Center for Ecological Analysis and Synthesis have developed a model that uses circuit theory to predict gene flow across landscapes. Their approach could give managers ...
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