The Mexican Wolf (Canis lupus baileyi) is a subspecies of the Gray Wolf. It is native to North America, where it is the rarest and most genetically distinct subspecies.

Until recent times, the Mexican Wolf ranged the Sonoran and Chihuahuan Deserts from central Mexico to western Texas, southern New Mexico, and central Arizona. By the turn of the 20th century, reduction of natural prey like deer and elk caused many wolves to begin attacking domestic livestock, which led to intensive efforts by government agencies and individuals to eradicate the Mexican Wolf.

Today, an estimated 300 Mexican Wolves survive in 49 facilities in the United States and Mexico. This photo was taken at the Brookfield Zoo in Brookfield, Illinois. © Scott Denny 2009

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