Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

Scientists debunk decades-long study claiming wolves' reintroduction triggered a dramatic transformation in Yellowstone.

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...

Claims that wolves have rescued Yellowstone National Park's aspen trees through a "trophic cascade" oversimplify a complex ...

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.

On January 11, 1995, approximately 17,000 elk bedded down in Yellowstone National Park. When they woke up a few hours later, a new scent was in the icy air: wolves. It had been 69 years since the last ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Source: Greystone Books, with permission. Rick McIntyre, who has logged more than 100,000 sightings of Yellowstone's wolves, is a legend―or most people would say the legend―among wolf researchers.

Wolves returned to the Yellowstone wild 20 years ago today. I know, history remembers all the hoopla about reintroduction of wolves into Yellowstone in January 1995, when federal officials and ...

"Like Thomas McNamee, David Mech, Barry Lopez, and other literary naturalists with an interest in wolf behavior, McIntyre writes with both elegance and flair, making complex biology and ethology a ...