From ABCNews:

ALBUQUERQUE, N.M. — A record 22 captive-born Mexican gray wolf pups have been placed into dens in the wild in the southwestern U.S. to be raised by surrogate packs, the U.S. Fish and Wildlife Service announced Monday.

The agency called this year’s cross-fostering season a success, saying the endangered predators that have been part of the fostering program over the last six years have helped to boost genetic diversity among the wild population in New Mexico and Arizona.

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