Arizona: Earth Notes: Mexican Gray Wolf Cross-Fostering

Mexican wolves remain the rarest subspecies of the gray wolf in North America, with just over a hundred in the wild. In order to boost genetic diversity to the remaining population, biologists have applied an experimental technique in recent years called cross-fostering. They swap out wild or captive-born pups into wild litters, and the young are then raised by surrogate parents.

Bookmark and Share

Recent News