A web camera shows Mexican gray wolf parents playing with their litter of seven pups in Albuquerque, New Mexico. (AP)
A seven-week-old wolf pup explores the forest at the Endangered Wolf Center in Missouri. (AP)
The team helping the endangered gray wolves hopes to double the number in the wild in a few years. (AP)
A group of wolf pups who are part of a program to create wolf packs in the wild in Arizona and New Mexico (AP)
A grown Mexican gray wolf (AP)
There are seven new gray wolf pups. They live at a New Mexico zoo.
How many are boys? How many are girls?