List of birds of the Madrean Sky Islands

This is a list of birds that have been observed in the Madrean Sky Islands, which are enclaves of Madrean pine-oak woodlands, found at higher elevations in a complex of small mountain ranges in southern and southeastern Arizona, southwestern New Mexico, and northwestern Mexico. The Sky Islands are surrounded at lower elevations by the Sonoran and Chihuahuan deserts.

Source: Wikipedia — List of birds of the Madrean Sky Islands (CC BY-SA 4.0)