DNR staff will collect biological data from selected dens, including the sex, age, weight and body measurements of bears. They will also put a GPS collar on the mother.

In order to help the Wisconsin DNR with an ongoing statewide study on black bear reproduction and population, officials are ...

The Wisconsin Department of Natural Resources (DNR) encourages the public to report any black bear den locations they find in ...

Learn how polar bears in the Arctic’s Barents Sea are maintaining healthy fat reserves despite sea ice loss in a warming ...

These polar bears appear to be maintaining their physical health despite the loss of sea ice—their preferred hunting grounds ...