During the appropriate season, 45 common birds that you can expect to see on most field trips include:

Clark's Grebe, Horned Grebe, Neotropic Cormorant, Snowy Egret, Green Heron, White-faced Ibis, Rossí Goose, Bald Eagle, Common Moorhen, Semipalmated Plover, Black-necked Stilt, American Avocet, Western, Bairdís and Least Sandpipers, Long-billed Dowitcher, Long-billed Curlew, Marbled Godwit, Wilsonís Phalarope, Inca Dove, Gambelís Quail, Greater Roadrunner, Barn Owl, Lesser Nighthawk, Black-chinned Hummingbird, Ladder-backed Woodpecker, Vermilion Flycatcher, Ash-throated Flycatcher, Cassinís Vireo, Chihuahuan Raven, Western Bluebird, Bewick's Wren, Curve-billed Thrasher, Phainopepla, Lucy's Warbler, Western Tanager, Spotted Towhee, Cassinís Sparrow, Pyrrhuloxia, Black-headed Grosbeak, Blue Grosbeak, Bullock's Oriole, Scottís Oriole, Lesser Goldfinch.

During the appropriate season, 61 uncommon birds that you can expect to see on some field trips include:

Common Loon, Least Bittern, Great Egret, Little Blue Heron, Cattle Egret, Mexican Duck, Blue-winged Teal, Cinnamon Teal, Canvasback, Hooded Merganser, Red-breasted Merganser, Mississippi Kite, Osprey , Swainson's Hawk, Ferruginous Hawk, Golden Eagle, Merlin, Peregrine Falcon, Prairie Falcon, Scaled Quail, Virginia Rail, Sora, Whooping Crane, Black-bellied Plover, Sanderling, Pectoral Sandpiper, Dunlin, Stilt Sandpiper, Red-necked Phalarope, Franklin's Gull, Bonaparte's Gull, Forster's Tern, Black Tern, Band-tailed Pigeon, Yellow-billed Cuckoo, Common Ground-Dove, Western Screech-Owl, Burrowing Owl, Long-eared Owl, Short-eared Owl, Lesser Nighthawk, Common Poorwill, White-throated Swift, Broad-tailed Hummingbird, Lewisí Woodpecker, Red-naped Sapsucker, Williamsonís Sapsucker, Hairy Woodpecker, Western Wood-Pewee, Willow, Dusky, Cordilleran and Gray Flycatchers, Cassin's Kingbird, Bell's Vireo, Plumbeous Vireo, Western Scrub-Jay, Mountain Chickadee, Verdin, Bushtit, Cactus Wren, Canyon Wren, Golden-crowned Kinglet, Blue-gray Gnatcatcher, Black-tailed Gnatcatcher, Canyon Wren, Mountain Bluebird, Swainson's Thrush, Hermit Thrush, Sage Thrasher, Crissal Thrasher, American Pipit, Nashville Warbler, Virginia's Warbler, Townsend's Warbler, Grace's Warbler, American Redstart, Northern Waterthrush, MacGillivrayís Warbler, Summer Tanager, Western Tanager, Hepatic Tanager, Green-tailed Towhee, Canyon Towhee, Clay-colored Sparrow, Rufous-crowned Sparrow, Brewer's Sparrow, Black-chinned Sparrow, Black-throated Sparrow, Sage Sparrow, Lark Bunting, Fox Sparrow, Lincolnís Sparrow, Swamp Sparrow, McCown's Longspur, Chestnut-collared Longspur, Lazuli Bunting, Indigo Bunting, Cassinís Finch, Red Crossbill.

Plus an additional 231 rarities have been recorded in the area, especially during the spring and fall migrations.