Tag: predator-prey

It’s no surprise to many wildlife managers that invasive species might affect the stability of an ecosystem. For example, invasive species could potentially edge out native ones. An easy response...

As University of Michigan biologists were walking a night transect through the Amazon rainforest in Peru, they came across something they had never seen before. Spotting a tarantula the size...

There’s no place like home for a gray wolf (Canis lupus) that had been translocated from Minnesota to Isle Royale National Park last fall. The wolf traveled over 15 miles...

When gray wolves (Canis lupus) were reintroduced in Yellowstone National Park in 1995, nobody could have predicted the sweeping changes they would help bring to the ecosystem, from reducing elk...

In the late winter of 2005, TWS member Matt Metz started noticing a particular dynamic between elk (Cervus canadensis) and wolves (Canis lupus) in Yellowstone National Park, where he worked...

Since the mid-1990s, the Bathurst herd of barren-ground caribou (Rangifer tarandus groenlandicus) in the central Canadian Arctic declined by over 90 percent, leading researchers to question how this drastic drop...