Tag: predator

Typically, the more predators are on the landscape, the less prey are around. Bring in more wolves (Canis lupus), and you can expect elk (Cervus canadensis) numbers to fall. “It...

The wolf reintroduction success story in Yellowstone is a familiar one. After wolves were reintroduced to the national park in the 1990s, they began preying on elk, which had overbrowsed...

Even though there are no are no management plans or harvest limits for bobcats in the Black Hills of South Dakota, researchers don’t know much about how the populations—particularly kittens—are...

As the climate warms in the Arctic—two to three times faster than in the rest of the world—polar bears are changing what they eat. By uncovering their diets, researchers found,...

Around Jackson Hole, Wyoming, people are changing the ways wolves prey on elk, sometimes acting as a shield for the prey against their predators. Ungulates, like elk, in the area...

Using Fitbit-like devices and sound recorders, researchers have found more information about the hunting behavior of a cryptic species that’s difficult to observe. Allyson Menzies was a PhD student at...

Wolves in Minnesota’s Voyageurs National Park are changing the wetlands ecosystem there, researchers found, due to their appetite for beavers. “Wolves eat a lot of beavers, especially in Voyageurs, where...

Whether animals are domesticated, kept in captivity or urbanized, they all lose their fear of humans, which may have implications for their conservation, researchers found. “We knew overall that interactions...

Human food comprises up to half the diet of carnivores living close to people, researchers found, which can have consequences for the individuals and the ecosystem. “A lot of us...

A single piece of evidence may not solve a crime, but put together lots of pieces and investigators can paint an entire picture of a crime scene. That’s not so...