What wolves' teeth reveal about their lives

UCLA evolutionary biologist Blaire Van Valkenburgh has spent more than three decades studying the skulls of many species of large carnivores—including wolves, lions and tigers— that lived from 50,000 years ago to the ...

Pup fostering gives genetic boost to wild Mexican wolves

It's a carefully planned mission that involves coordination across state lines—from Mexican gray wolf dens hidden deep in the woods of New Mexico and Arizona to breeding facilities at zoos and special conservation centers ...

Scientists find flaws in plan to lift US wolf protections

Scientists tasked with reviewing government plans to lift protections for gray wolves across most of the U.S. said in a report released Friday that the proposal has numerous factual errors and other problems.

Survey: More Mexican gray wolves roaming southwestern US

More Mexican gray wolves are roaming the American Southwest now than at any time since federal biologists began reintroducing the predators more than two decades ago, the U.S. Fish and Wildlife Service announced Monday.

Why the feds should protect Midwest wolves from slaughter

The bald eagle is America's symbol, but 70 years ago it was nearly extinct. Once numbering as many as half a million, the population in the lower 48 states had been reduced to fewer than 1,000 by pesticides, hunting and destruction ...

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