CICONIIFORMES
  CICONIIDAE
    Mycteria americana  Wood Stork

SULIIFORMES
  FREGATIDAE
    Fregata magnificens  Magnificent Frigatebird  
  SULIDAE
    Sula nebouxii  Blue-footed Booby
  PHALACROCORACIDAE
    Phalacrocorax auritus  Double-crested Cormorant
    Phalacrocorax brasilianus Neotropic Cormorant

PELECANIFORMES
  PELECANIDAE
    Pelecanus erythrorhynchos  American White Pelican
    Pelecanus occidentalis  Brown Pelican
  ARDEIDAE   
    Ixobrychus exilis  Least Bittern
    Botaurus lentiginosus  American Bittern
    Egretta caerulea  Little Blue Heron
    Egretta tricolor  Tricolored Heron
    Egretta rufescens  Reddish Egret.
    Egretta thula  Snowy Egret
    Nyctanassa violacea  Yellow-crowned Night-Heron
    Nycticorax nycticorax  Black-crowned Night-Heron
    Butorides virescens  Green Heron
    Ardea alba  Great Egret
    Bubulcus ibis  Western Cattle Egret
    Ardea herodias  Great Blue Heron
  THRESKIORNITHIDAE
      Threskiornithinae
    Eudocimus albus  White Ibis
    Plegadis falcinellus  Glossy Ibis
    Plegadis chihi  White-faced Ibis
      Plataleinae
    Platalea ajaja  Roseate Spoonbill

CATHARTIFORMES
  CATHARTIDAE
    Gymnogyps californianus  California Condor
    Cathartes aura  Turkey Vulture

ACCIPITRIFORMES
  PANDIONIDAE
    Pandion haliaetus  Osprey
  ACCIPITRIDAE
      Elaninae   
    Elanus leucurus  White-tailed Kite
      Accipitrinae  
    Aquila chrysaetos  Golden Eagle
    Circus hudsonius  Northern Harrier
    Accipiter striatus  Sharp-shinned Hawk
    Accipiter cooperii  Cooper's Hawk
    Accipiter atricapillus  American Goshawk
    Haliaeetus leucocephalus  Bald Eagle
    Ictinia mississippiensis Mississippi Kite
    Buteogallus anthracinus  Common Black-Hawk
    Buteo plagiatus  Gray Hawk
    Buteo lineatus  Red-shouldered Hawk
    Buteo platypterus  Broad-winged Hawk
    Buteo swainsoni  Swainson's Hawk
    Buteo albonotatus  Zone-tailed Hawk
    Buteo jamaicensis  Red-tailed Hawk
    Buteo lagopus  Rough-legged Hawk
    Buteo regalis  Ferruginous Hawk

STRIGIFORMES
  TYTONIDAE
    Tyto alba American Barn Owl
  STRIGIDAE
    Psiloscops flammeolus  Flammulated Owl
    Megascops kennicottii  Western Screech-Owl
    Bubo virginianus  Great Horned Owl
    Bubo scandiacus  Snowy Owl
    Glaucidium gnoma  Northern Pygmy-Owl
    Micrathene whitneyi  Elf Owl*
    Athene cunicularia  Burrowing Owl
    Strix occidentalis  Spotted Owl
    Strix nebulosa  Great Gray Owl
    Asio otus  Long-eared Owl
    Asio flammeus  Short-eared Owl
    Aegolius funereus  Boreal Owl
    Aegolius acadicus  Northern Saw-whet Owl

CORACIIFORMES
  ALCEDINIDAE
      Cerylinae
    Megaceryle alcyon  Belted Kingfisher

PICIFORMES
  PICIDAE
      Picinae
    Melanerpes lewis  Lewis's Woodpecker
    Melanerpes erythrocephalus  Red-headed Woodpecker
    Melanerpes formicivorus  Acorn Woodpecker
    Sphyrapicus thyroideus  Williamson's Sapsucker
    Sphyrapicus varius  Yellow-bellied Sapsucker
    Sphyrapicus nuchalis  Red-naped Sapsucker
    Sphyrapicus ruber  Red-breasted Sapsucker
    Picoides dorsalis  American Three-toed Woodpecker
    Dryobates pubescens  Downy Woodpecker
    Dryobates scalaris  Ladder-backed Woodpecker
    Dryobates villosus  Hairy Woodpecker
    Colaptes auratus  Northern Flicker
    Colaptes chrysoides Gilded Flicker

FALCONIFORMES
  FALCONIDAE
      Falconinae
    Caracara plancus  Crested Caracara
    Falco sparverius  American Kestrel
    Falco columbarius  Merlin
    Falco rusticolus  Gyrfalcon
    Falco peregrinus  Peregrine Falcon
    Falco mexicanus  Prairie Falcon

PASSERIFORMES
  TYRANNIDAE
      Tyranninae
    Myiarchus tuberculifer  Dusky-capped Flycatcher
    Myiarchus cinerascens  Ash-throated Flycatcher
    Myiarchus crinitus  Great Crested Flycatcher
    Myiarchus tyrannulus  Brown-crested Flycatcher
    Tyrannus melancholicus Tropical Kingbird
    Tyrannus vociferans  Cassin's Kingbird
    Tyrannus crassirostris Thick-billed Kingbird
    Tyrannus verticalis  Western Kingbird
    Tyrannus tyrannus  Eastern Kingbird
    Tyrannus forficatus  Scissor-tailed Flycatcher
      Fluvicolinae
    Contopus cooperi  Olive-sided Flycatcher
    Contopus sordidulus  Western Wood-Pewee
    Empidonax alnorum   Alder Flycatcher
    Empidonax traillii  Willow Flycatcher
    Empidonax minimus  Least Flycatcher
    Empidonax hammondii  Hammond's Flycatcher
    Empidonax wrightii  Gray Flycatcher
    Empidonax oberholseri  Dusky Flycatcher
    Empidonax difficilis  Western Flycatcher
    Sayornis nigricans  Black Phoebe
    Sayornis phoebe  Eastern Phoebe
    Sayornis saya  Say's Phoebe
    Pyrocephalus rubinus  Vermilion Flycatcher
  VIREONIDAE
    Vireo griseus  White-eyed Vireo
    Vireo bellii  Bell's Vireo
    Vireo vicinior  Gray Vireo.
    Vireo flavifrons  Yellow-throated Vireo
    Vireo cassinii  Cassin's Vireo
    Vireo solitarius  Blue-headed Vireo
    Vireo plumbeus  Plumbeous Vireo
    Vireo philadelphicus  Philadelphia Vireo.
    Vireo gilvus  Warbling Vireo
    Vireo olivaceus  Red-eyed Vireo
  LANIIDAE 
    Lanius ludovicianus  Loggerhead Shrike
    Lanius excubitor  Northern Shrike
  CORVIDAE
    Perisoreus canadensis  Canada Jay
    Gymnorhinus cyanocephalus  Pinyon Jay
    Cyanocitta stelleri  Steller's Jay
    Cyanocitta cristata  Blue Jay
    Aphelocoma woodhouseii  Woodhouse’s Scrub-Jay
    Nucifraga columbiana  Clark's Nutcracker
    Pica hudsonia  Black-billed Magpie
    Corvus brachyrhynchos  American Crow
    Corvus corax  Common Raven
  REMIZIDAE
    Auriparus flaviceps  Verdin
  PARIDAE  
    Poecile atricapillus  Black-capped Chickadee
    Poecile gambeli  Mountain Chickadee
    Baeolophus ridgwayi  Juniper Titmouse
  ALAUDIDAE
    Eremophila alpestris  Horned Lark
  HIRUNDINIDAE
      Hirundininae
    Riparia riparia  Bank Swallow
    Tachycineta bicolor  Tree Swallow
    Tachycineta thalassina  Violet-green Swallow
    Stelgidopteryx serripennis  Northern Rough-winged Swallow
    Hirundo rustica  Barn Swallow
    Petrochelidon pyrrhonota  Cliff Swallow
    Progne subis  Purple Martin
  AEGITHALIDAE  
    Psaltriparus minimus  Bushtit
  REGULIDAE
    Corthylio calendula  Ruby-crowned Kinglet
    Regulus satrapa  Golden-crowned Kinglet
  BOMBYCILLIDAE
    Bombycilla garrulus  Bohemian Waxwing
    Bombycilla cedrorum  Cedar Waxwing
  PTILOGONATIDAE
    Phainopepla nitens  Phainopepla
  SITTIDAE
      Sittinae
    Sitta canadensis  Red-breasted Nuthatch
    Sitta carolinensis  White-breasted Nuthatch
    Sitta pygmaea  Pygmy Nuthatch
  CERTHIIDAE
      Certhiinae
    Certhia americana  Brown Creeper
  POLIOPTILIDAE  
    Polioptila caerulea  Blue-gray Gnatcatcher
    Polioptila melanura  Black-tailed Gnatcatcher
  TROGLODYTIDAE
    Salpinctes obsoletus  Rock Wren
    Catherpes mexicanus  Canyon Wren
    Campylorhynchus brunneicapillus  Cactus Wren
    Thryomanes bewickii  Bewick's Wren
    Troglodytes aedon  Northern House Wren
    Troglodytes pacificus  Pacific Wren
    Troglodytes hiemalis  Winter Wren
    Cistothorus palustris  Marsh Wren
  MIMIDAE
    Dumetella carolinensis  Gray Catbird
    Toxostoma curvirostre  Curve-billed Thrasher
    Toxostoma rufum  Brown Thrasher
    Toxostoma bendirei  Bendire's Thrasher  
    Toxostoma lecontei  Le Conte's Thrasher
    Toxostoma crissale  Crissal Thrasher
    Oreoscoptes montanus  Sage Thrasher
    Mimus polyglottos  Northern Mockingbird
  STURNIDAE
    Sturnus vulgaris  European Starling (I)
  CINCLIDAE
    Cinclus mexicanus  American Dipper
  TURDIDAE
    Sialia sialis  Eastern Bluebird
    Sialia mexicana  Western Bluebird
    Sialia currucoides  Mountain Bluebird
    Myadestes townsendi  Townsend's Solitaire
    Catharus fuscescens  Veery
    Catharus ustulatus  Swainson's Thrush
    Catharus guttatus  Hermit Thrush
    Hylocichla mustelina  Wood Thrush
    Turdus rufopalliatus  Rufous-backed Robin
    Turdus migratorius  American Robin
    Ixoreus naevius  Varied Thrush
  PEUCEDRAMIDAE
    Peucedramus taeniatus  Olive Warbler
  PASSERIDAE
    Passer domesticus  House Sparrow (I)
  MOTACILLIDAE
    Anthus rubescens  American Pipit
    Anthus spragueii  Sprague's Pipit
  FRINGILLIDAE
      Fringillinae
    Fringilla montifringilla  Brambling
      Carduelinae
    Coccothraustes vespertinus  Evening Grosbeak
    Pinicola enucleator  Pine Grosbeak
    Leucosticte tephrocotis  Gray-crowned Rosy-Finch
    Leucosticte atrata  Black Rosy-Finch
    Leucosticte australis  Brown-capped Rosy-Finch
    Haemorhous mexicanus  House Finch
    Haemorhous purpureus  Purple Finch
    Haemorhous cassinii  Cassin's Finch
    Acanathis flammea  Redpoll
    Loxia curvirostra  Red Crossbill
    Loxia leucoptera  White-winged Crossbill
    Spinus pinus  Pine Siskin
    Spinus psaltria  Lesser Goldfinch
    Spinus lawrencei  Lawrence’s  Goldfinch
    Spinus tristis  American Goldfinch
 CALCARIIDAE
    Calcarius lapponicus  Lapland Longspur
    Calcarius ornatus  Chestnut-collared Longspur
    Rhynchophanes mccownii  Thick-billed Longspur  
    Plectrophenax nivalis  Snow Bunting
  PASSERELLIDAE
    Peucaea cassinii  Cassin's Sparrow
    Ammodramus savannarum  Grasshopper Sparrow
    Amphispiza bilineata  Black-throated Sparrow
    Chondestes grammacus  Lark Sparrow
    Calamospiza melanocorys  Lark Bunting
    Spizella passerina  Chipping Sparrow
    Spizella pallida  Clay-colored Sparrow
    Spizella atrogularis  Black-chinned Sparrow
    Spizella pusilla  Field Sparrow
    Spizella breweri  Brewer's Sparrow
    Passerella iliaca  Fox Sparrow
    Spizelloides arborea  American Tree Sparrow
    Junco hyemalis  Dark-eyed Junco
    Zonotrichia leucophrys  White-crowned Sparrow
    Zonotrichia atricapilla  Golden-crowned Sparrow
    Zonotrichia querula  Harris's Sparrow
    Zonotrichia albicollis  White-throated Sparrow
    Artemisiospiza belli  Bell’s Sparrow 
    Artemisiospiza nevadensis  Sagebrush Sparrow
    Pooecetes gramineus  Vesper Sparrow
    Ammospiza leconteii  Le Conte's Sparrow
    Ammospiza nelsoni  Nelson's Sparrow
    Centronyx bairdii  Baird’s Sparrow*
    Passerculus sandwichensis  Savannah Sparrow
    Melospiza melodia  Song Sparrow
    Melospiza lincolnii  Lincoln's Sparrow
    Melospiza georgiana  Swamp Sparrow
    Melozone fusca  Canyon Towhee
    Melozone aberti  Abert's Towhee
    Aimophila ruficeps  Rufous-crowned Sparrow
    Pipilo chlorurus  Green-tailed Towhee
    Pipilo maculatus  Spotted Towhee
  ICTERIIDAE
    Icteria virens  Yellow-breasted Chat
  ICTERIDAE
      Xanthocephalinae
    Xanthocephalus xanthocephalus  Yellow-headed Blackbird
      Dolichonychinae
    Dolichonyx oryzivorus  Bobolink
      Sturnellinae
    Sturnella neglecta  Western Meadowlark
      Icterinae
    Icterus spurius  Orchard Oriole
    Icterus cucullatus  Hooded Oriole
    Icterus pustulatus Streak-backed Oriole
    Icterus bullockii  Bullock's Oriole
    Icterus galbula  Baltimore Oriole
    Icterus parisorum  Scott's Oriole
      Agelaiinae
    Agelaius phoeniceus  Red-winged Blackbird
    Molothrus aeneus  Bronzed Cowbird
    Molothrus ater  Brown-headed Cowbird
    Euphagus carolinus  Rusty Blackbird
    Euphagus cyanocephalus  Brewer's Blackbird
    Quiscalus quiscula  Common Grackle
    Quiscalus mexicanus  Great-tailed Grackle
  PARULIDAE
    Seiurus aurocapilla  Ovenbird
    Helmitheros vermivorum  Worm-eating Warbler
    Parkesia motacilla  Louisiana Waterthrush*
    Parkesia noveboracensis  Northern Waterthrush
    Vermivora chrysoptera  Golden-winged Warbler
    Vermivora cyanoptera  Blue-winged Warbler
    Mniotilta varia  Black-and-white Warbler
    Protonotaria citrea  Prothonotary Warbler
    Leiothlypis peregrina  Tennessee Warbler
    Leiothlypis celata  Orange-crowned Warbler
    Leiothlypis luciae  Lucy's Warbler
    Leiothlypis ruficapilla  Nashville Warbler
    Leiothlypis virginiae  Virginia's Warbler
    Oporornis agilis  Connecticut Warbler
    Geothlypis tolmiei  MacGillivray's Warbler
    Geothlypis formosa  Kentucky Warbler
    Geothlypis trichas  Common Yellowthroat
    Setophaga citrina  Hooded Warbler
    Setophaga ruticilla  American Redstart
    Setophaga tigrina Cape May Warbler
    Setophaga americana  Northern Parula
    Setophaga magnolia  Magnolia Warbler
    Setophaga castanea  Bay-breasted Warbler
    Setophaga fusca  Blackburnian Warbler
    Setophaga petechia  Yellow Warbler
    Setophaga pensylvanica  Chestnut-sided Warbler
    Setophaga striata  Blackpoll Warbler
    Setophaga caerulescens  Black-throated Blue Warbler
    Setophaga palmarum  Palm Warbler
    Setophaga pinus Pine Warbler
    Setophaga coronata  Yellow-rumped Warbler
    Setophaga dominica  Yellow-throated Warbler
    Setophaga discolor  Prairie Warbler
    Setophaga graciae  Grace's Warbler
    Setophaga nigrescens  Black-throated Gray Warbler
    Setophaga townsendi  Townsend's Warbler
    Setophaga occidentalis  Hermit Warbler
    Setophaga virens  Black-throated Green Warbler
    Cardellina canadensis  Canada Warbler
    Cardellina pusilla  Wilson's Warbler
    Myioborus pictus  Painted Redstart
   CARDINALIDAE
    Piranga flava  Hepatic Tanager
    Piranga rubra  Summer Tanager
    Piranga olivacea  Scarlet Tanager
    Piranga ludoviciana  Western Tanager
    Cardinalis cardinalis  Northern Cardinal
    Cardinalis sinuatus Pyrrhuloxia
    Pheucticus ludovicianus  Rose-breasted Grosbeak
    Pheucticus melanocephalus  Black-headed Grosbeak
    Passerina caerulea  Blue Grosbeak
    Passerina amoena  Lazuli Bunting
    Passerina cyanea  Indigo Bunting
    Passerina ciris Painted Bunting
    Spiza americana  Dickcissel

* Species with only one sight record accepted without physical evidence.  (On the provisional list but not on the official checklist).