Bird Species

Secretive, except for its distinctive guttural call, the western yellow-billed cuckoo is an increasingly rare bird dependent on large patches of native streamside forest in the American West.

The Mexican spotted owl, one of the largest owls in North America, is listed as a threatened species by both the U.S. and Mexican governments.

The southwestern willow flycatcher is a federally endangered bird that breeds in dense riparian vegetation near surface water or saturated soils in the American Southwest.

Species description of the California Condor (Gymnogyps californianus).