Thursday, June 14, 2012 - 18:00 in Mathematics & Economics
MINNEAPOLIS, June 14 (UPI) -- Cougars are re-populating their historical range in areas of the U.S. Midwest, reversing 100 years of decline, researchers say.
- Cougars are re-populating their historical range, new study confirmsThu, 14 Jun 2012, 10:36:29 EDT
- U of Minnesota-led study finds that hunters are depleting lion and cougar populationsWed, 17 Jun 2009, 11:45:19 EDT
- Loss of top predators causing surge in smaller predators, ecosystem collapseThu, 1 Oct 2009, 13:18:52 EDT
- 'Trophic cascades' of disruption may include loss of woolly mammoth, saber-toothed catThu, 1 Jul 2010, 0:37:01 EDT
- Extinction of woolly mammoths may have been due to addition of a predator: HumansFri, 2 Jul 2010, 9:23:43 EDT