Each season brings a different combination of birds to the refuge. Summer birds include the much sought after Mexican species and hummingbirds.
Winter brings sparrows, raptors and accidentals that stray off their migration route.
Spring is filled with the sound and color of tiny songbirds, while fall migration brings waterfowl, sandpipers and others winging their way south. Here are a few places to begin your search. A 2 mile trail follows the creek, then ascends to El Cerro at 4480'. Birds, Buenos Aires National Wildlife Refuge. U.S. Fish and Wildlife Service.