A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...
A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...
As cougar and wolf populations recover, clashes between these top predators are inevitable with cougars finding ways to ...
Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...
It didn't come as a surprise to researchers that the re-introduction of wolves in certain parts of the northern U.S. would reduce deer and elk herds, and thus reduce automobile accidents with those ...
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