Population update: CPW reports 32 gray wolves in Colorado, mostly in four packs, with high pup survival indicating positive growth. Mortality causes: Ten adult wolves died in the past year, six from ...

By Kayleigh Long Last September, zoologist and conservationist Bejan Lortkipanidze received a video file from a collaborator, ...

On May 7, Colorado Parks and Wildlife (CPW) issued its Gray Wolf Annual Report for biological year 2025-2026 from April 1, 2025, to March 31, 2026, and provided an update on the gray wolf restoration ...

New research shows ravens use memory to locate areas where wolves are likely to make kills. Instead of trailing wolf packs, ...

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

Ultrasonic tracking in Hiroshima Bay shows that male and female black sea bream move differently during the spawning season, ...

In December 2023, Colorado reintroduced 10 gray wolves in Grand and Summit counties, kicking off the voter-mandated ...

Some animals are pregnant for a long time – nine months or more. To have spring babies, they need to fertilize their eggs in ...

And, why humans should actually parent more like meerkats.

Kangaroo reproduction is one of the strangest systems in the world as females can support joeys at several different stages ...

Two ravens soar above a wolf pack in Yellowstone. This type of short-distance trailing is common, but prolonged following is extremely rare. Credit: Daniel Stahler / YNP Whenever a wolf makes a ...