Searching for Sparrows in the Sky Islands

The grasslands of Sonora, Mexico, haven’t seen bird counts in 15 years. Now, ranchers and biologists are teaming up to assess, and protect, North America's avian diversity.

Searching for Sparrows in the Sky Islands
Biologists from Sky Island Alliance and Mexico's Commission of Natural Protected Areas set out for winter bird monitoring near Cananea, Sonora. (Photo courtesy of Sky Island Alliance)

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