Tree loss from bark-beetle infestation impacts elk habitat

Although elk typically adapt to forest disturbances such as forest fires and logging, a new Journal of Wildlife Management study found that during the summer, elk avoided areas with extensive tree mortality that has occurred ...

Are wolves saving Yellowstone's aspen trees from elk?

Previous research has claimed that the reintroduction of wolves to Yellowstone National Park in 1995 is helping restore quaking aspen in risky areas where wolves prowl. But apparently elk hungry for winter food had a different ...

Wolves lose their predatory edge in mid-life, study shows

Although most wolves in Yellowstone National Park live to be nearly six years old, their ability to kill prey peaks when they are two to three, according to a study led by Dan MacNulty and recently published online by Ecology ...