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

The black caiman is one of the Amazon’s apex predators, a stealthy hunter that preys on mammals using ambush tactics and ...

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

Beavers build dams to ensure water is deep enough for an underwater entrance, protecting them from predators. The internal chamber of a lodge can stay around freezing temperature even on sub-zero days ...

Learn how the beaver helped build Oregon from territorial days to statehood and became its official state mammal.

Across the drying West, beavers are increasingly valued for the ecological role their dams play. Utah is leading the way in ...

One Albertan was lucky enough to catch a glimpse of a mountain lion — also known as a cougar — walking near the property.

Rocky Mountain National Park officials warn the park’s wetlands are in steep decline. “Wetlands are among the most valuable ...

This is the moment a tired Texas beaver was saved! The little guy decided a massive water reservoir was his new dam, but got ...

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

Beaver, although primarily nocturnal, will work during the day in the fall collecting food so they will be able to survive during the long winter. Their winter food cache is stored underwater near ...

Wolves and coyotes feed on similar things – but their diets aren’t identical. A researcher studied predator diets to ...