"It's just nice to know that the bears are looking out for each other," said Evan Richardson, one of the researchers A mother polar bear in Northern Canada appears to have "adopted" a cub that is not ...

In a rarely documented case, a polar bear in northern Canada has adopted a cub that is not biologically her own. The mother bear was first observed this spring as she emerged from her maternity den ...

Bear X33991 leading her two cubs along the ice. Dave Sandford / Discover Churchill (Wildlife Photographer, Guide, and Polar Bears International Photo Ambassador) Get the Popular Science daily ...

Researchers in northern Canada have observed a rare case of polar bear adoption, capturing video footage of a wild female bear caring for a cub that was not her own. "Cub adoption is relatively rare ...

Researchers tracking wild polar bears in northern Canada have witnessed something exceedingly rare: a mother bear adopting a cub that was not biologically her own. The five-year-old mother bear and ...