A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...

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 ...

While the expansion of gray and Mexican gray wolf populations is often hailed as a conservation success, the consequences for ranching families can be gruesome, costly and complex - threatening the ...