December 13, 2004

Species differentiation by interstate highway

The Denver Post covers plans to reintroduce Mexican grey wolves in southern Colorado. (Link may expire.)

The Mexican gray wolf is the smallest American wolf. Females typically weigh 50-65 pounds. Males generally weigh in at 70-75 pounds.

In the desert southwest, Mexican gray wolves prey on antelope, deer, javelina and peccary, but they'll take elk when they can get it.

At this time in Colorado, any wolves south of an arbitrary federal boundary, Interstate 70, are part of the Southwest wolf recovery program and are fully protected as an endangered species. Wolves north of I-70 are considered merely threatened.

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