John Vucetich, a wildlife ecologist from Michigan Technological University, leads the wolf-moose Winter Study at Isle Royale National Park and writes a blog for New York Times.

BILLINGS, Mont. (AP) — The return of gray wolves has dramatically altered the landscape in portions of Yellowstone National Park, as new trees take root in areas where the predators have curbed the size of foraging elk herds, according to scientists in a new study.

Wolves as they reclaim their role as top predators in Oregon may change the landscape in ways anyone can see, according to scientists who study wolves and their environment.

Don’t close the book on Fido’s genealogy just yet: A new study led by University of California, Davis, wildlife genetics researchers provides a surprising glimpse into the global heritage of both wild and domestic dogs.

For the past few days, Swedish skeptics have been shaking their heads in disbelief over Mora municipality’s office for the environment.

ALBANY — A wolf shot by a hunter a decade ago in the Adirondacks near Great Sacandaga Lake was the first proven wild wolf in New York in more than a century, according to a new study Monday from the New York State Museum.

ï» LOGAN — New behavioral research exploring the predation patterns of wolves may help ranchers in efforts to protect their livestock.

ï»»¿ CORVALLIS, Ore. (Associated Press) – Some scientists say restoring wolves in the West could help restore the Canada lynx, a threatened species.

 While the news of the wolf getting to Colorado is a few years old, this story expands on the discovery and shows that scientists have underestimated the range of animals they have reintroduced.

 Biologist Bob Hayes has killed 851 wolves and sterilized many others in the name of science and conservation biology. For nearly two decades, he thought he was doing what needed to be done to protect caribou, moose and other prey species in the Yukon Territory.