Photo detail

A mother wolf nurses pups, some of whom will be placed into wild dens to bolster genetic diversity in wild packs. (Photo/Jim Schultz)

Stories this photo appears in:

Tease photo

Endangered wolf pups from Kansas zoo released into the wild

Two endangered Mexican wolf pups from a Kansas zoo have been released into the wild in Arizona.

Tease photo

Endangered wolf pups born in captivity join wild dens

Missouri wildlife officials have placed six Mexican wolf pups born in captivity near St. Louis with two packs in the wild, in a new effort to repopulate the critically endangered species.