March 4, 2009
Mexican Gray Wolf
Photograph by Joel Sartore; photographed at the Wild Canid Survival and Research Center, Eureka, Missouri
This Month in Photo of the Day: National Geographic Magazine Features
Still on shaky ground, the Mexican gray wolf, an endangered subspecies, is slowly increasing in number in Arizona and New Mexico, thanks to captive breeding.
See more photographs from the January 2009 feature story "Last One".