Amercian Southwest, por el sudoeste de Estados Unidos

En total pude observar 124 especies, 61 de las cuales fueron la primera vez que pude registrarlas.
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Anseriformes
Anatidae
Cisne Vulgar - Cygnus olor - Mute Swan
Barnacla Canadiense - Branta canadensis - Canada Goose
Pato arcoiris - Aix sponsa - Wood Duck
Ánade Real - Anas platyrhynchos - Mallard
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Galliformes
Odontophoridae
Codorniz Desértica - Callipepla gambelii - Gambel´s Quail
Phasianidae
Pavo Salvaje - Meleagris gallopavo - Wild Turkey
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Podicipediformes
Podicipedidae
Zampullín Cuellinegro - Podiceps nigricollis - Black-necked Grebe
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Suliformes
Phalacrocoracidae
Cormorán Orejudo - Phalacrocorax auritus - Double-crested Cormorant
* Biguá - Phalacrocorax brasilianus - Neotropic Cormorant
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Pelecaniformes
Ardeidae
*Garza Bruja - Nycticorax nycticorax - Black-crowned Night-Heron
Garza Ceniza - Ardea herodias - Great Blue Heron
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Cathartiformes
Cathartidae
* Jote Cabeza Colorada - Cathartes aura - Turkey Vulture
* Jote Cabeza Negra - Coragyps atratus - Black Vulture
Cóndor Californiano - Gymnogyps californianus - California Condor
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Accipitriformes
Accipitridae
Águila Real - Aquila chrysaetos - Golden Eagle
Gavilán Rastrero - Circus cyaneus - Northern Harrier
Gavilán de Cooper - Accipiter cooperii - Cooper´s Hawk
Águila Calva - Haliaeetus leucocephalus - Bald Eagle
Gavilán De Hombros Rojos - Buteo lineatus - Red-shouldered Hawk
* Aguilucho Negro - Buteo albonotatus - Zone-tailed Hawk
Gavilán de Cola Roja - Buteo jamaicensis - Red-tailed Hawk
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Gruiformes
Rallidae
Focha Americana - Fulica americana - American Coot
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Charadriiformes
Charadriidae
Fraile - Charadrius vociferus - Killdeer
Scolopacidae
Playerito Manchado - Actitis macularius - Spotted Sandpiper
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Columbiformes
Columbidae
* Paloma Doméstica - Columba livia - Rock Pigeon
Tórtola Turca - Streptopelia decaocto - Eurasian Collared-dove
* Paloma Nuca Blanca - Patagioenas fasciata - Band-tailed Pigeon
Paloma Ala Blanca - Zenaida asiatica - White-winged Dove
Paloma Huilota - Zenaida macroura - Mourning Dove
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Apodiformes
Apodidae
Vencejo De Paso - Chaetura pelagica - Chimney Swift
Vencejo de Garganta Blanca - Aeronautes saxatalis - White-throated Swift
Trochilidae
Colibrí de Ana - Calypte anna - Anna´s Hummingbird
Colibrí Gorginegro - Archilochus alexandri - Black-chinned Hummingbird
Colibrí Garganta de Rubí - Archilochus colubris - Ruby-throated Hummingbird
Colibrí Coliancho - Selasphorus platycercus - Broad-tailed Hummingbird
Chupaflor rafaguitas - Stellula calliope - Calliope Hummingbird
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Piciformes
Picidae
Pico Pubescente - Picoides pubescens - Downy Woodpecker
Pico Velloso - Picoides villosus - Hairy Woodpecker
Chupasavia Nuquirroja - Sphyrapicus nuchalis - Red-naped Sapsucker
Carpintero Desértico - Melanerpes uropygialis - Gila Woodpecker
Carpintero de Carolina - Melanerpes carolinus - Red-bellied Woodpecker
Carpintero Ala Roja - Colaptes rafer - Red-shafted Flicker
Carpinterillo Mexicano - Picoides scalaris - Ladder-backed Woodpecker
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Falconiformes
Falconidae
* Halconcito Colorado - Falco sparverius - American Kestrel
* Halcón Peregrino - Falco peregrinus - Peregrine Falcon
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Passeriformes
Tyrannidae
Mosquero Llanero - Sayornis saya - Say´s Phoebe
Tengofrio Grande - Contopus pertinax - Greater Pewee
Pibí Occidental - Contopus sordidulus - Western Wood-Pewee
Mosquerito de Traill - Empidonax traillii - Willow Flycatcher
Tirano Occidental - Tyrannus verticalis - Western Kingbird
Suirirí Boreal - Tyrannus tyrannus - Eastern Kingbird
Copetón Garganticeniza - Myiarchus cinerascens - Ash-throated Flycatcher

Vireonidae
Vireo de Bell - Vireo bellii - Bell´s Vireo
Vireo Gris - Vireo vicinior - Grey Vireo
Vireo Plomizo - Vireo plumbeus - Plumbeous Vireo
* Chiví Común - Vireo olivaceus - Red-eyed Vireo
Vireo Canoro - Vireo gilvus - Warbling Vireo

Corvidae
Arrendajo Azul - Cyanocitta cristata - Blue Jay
Chara Copetona - Cyanocitta stelleri - Steller´s Jay
Grajo Azulejo - Aphelocoma californica - Western Scrub-jay
Chara Piñonera - Gymnorhinus cyanocephalus - Pinyon Jay
Picaraza - Pica pica - Black-billed Magpie
Cascanueces Americano - Nucifraga columbiana - Clark´s Nutcracker
Cuervo Americano - Corvus brachyrhynchos - American Crow
Cuervo - Corvus corax - Common Raven

Paridae
Herrerillo Bicolor - Baeolophus bicolor - Tufted Titmouse

Aegithalidae
Mito de Arbustos - Psaltriparus minimus - Bushtit

Sittidae
Saltapalo Enano - Sitta pygmaea - Pygmy Nuthatch
Sita Pecho Blanco - Sitta carolinensis - White-breasted Nuthatch

Remizidae
Baloncito - Auriparus flaviceps - Verdin

Hirundinidae
Golondrina Zapadora - Riparia riparia - Bank Swallow
Golondrina Bicolor - Tachycineta bicolor - Tree Swallow
Golondrina Verdemar - Tachycineta thalassina - Violet-Green Swallow
Golondrina Purpurea - Progne subis - Purple Martin
Golondrina Aserrada - Stelgidopteryx serripennis - Northern Rough-winged Swallow
Golondrina Tijerita - Hirundo rustica - Barn Swallow
Golondrina Rabadilla Canela - Petrochelidon pyrrhonota - Cliff Swallow

Troglodytidae
Chivirín Saltarroca - Salpinctes obsoletus - Rock Wren
Saltaladera Risquera - Catherpes mexicanus - Canyon Wren
* Ratona Aperdizada - Cistothorus platensis - Sedge Wren
Saltapared Tepetatero - Thryomanes bewickii - Bewick´s Wren
* Ratona Común - Troglodytes aedon - House Wren

Polioptilidae
Perlita Grisilla - Polioptila caerulea - Blue-grey Gnatcatcher

Turdidae
Azulejo Gorjiazul - Sialia mexicana - Western Bluebird
Clarín Norteño - Myadestes townsendi - Townsend´s Solitaire
Zorzalito Boreal - Catharus ustulatus - Swainson´s Thrush
Mirlillo Colirrufo - Catharus guttatus - Hermit Thrush
Zorzal Pechirrojo - Turdus migratorius - American Robin

Mimidae
Maullador Gris - Dumetella carolinensis - Gray Catbird
Sinsonte Común - Mimus polyglottos - Northern Mockingbird

Sturnidae
Estornino Pinto - Sturnus vulgaris - European Starling

Emberizidae
Gorrión Cantor - Melospiza melodia - Song Sparrow

Junco Pizarroso - Junco hyemalis - Dark-eyed Junco
Gorrión de Ceja Blanca - Spizella passerina - Chipping Sparrow
Chimbito Desértico - Spizella breweri - Brewer´s Sparrow
Chiero Gorjinegro - Amphispiza bilineata - Black-throated Sparrow
Zacatonero Coronirrufo - Aimophila ruficeps - Rufous-crowned Sparrow
Rascadorcito Migratorio - Pipilo chlorurus - Green-tailed Towhee
Toqui Moteado - Pipilo maculatus - Spotted Towhee
Rascador Cañonero - Pipilo fuscus - Canyon Towhee

Cardinalidae
Picogrueso Azul - Passerina caerulea - Blue Grosbeak
Colorín Aliblanco - Passerina amoena - Lazuli Bunting
Tangara Veranera - Piranga rubra - Summer Tanager
Tangara Carirroja - Piranga ludoviciana - Western Tanager
Picogrueso Cabecinegro - Pheucticus melanocephalus - Black-headed Grosbeak
Cardenal Rojo - Cardinalis cardinalis - Northern Cardinal

Parulidae
Chipe de Lucía - Vermivora luciae - Lucy´s Warbler
Reinita de Grace - Setophaga graciae - Grace´s Warbler
Reinita Coronada - Setophaga coronata - Yellow-rumped Warbler
Reinita de Manglar - Setophaga petechia - Yellow Warbler

Icteridae
Bolsero de Baltimore - Icterus galbula - Baltimore Oriole
Bolsero de Bullock - Icterus bullockii - Bullock´s Oriole
Bolsero Tunero - Icterus parisorum - Scott´s Oriole
Tordo Cabecicafé - Molothrus ater - Brown-headed Cowbird
Tordo Sargento - Agelaius phoeniceus - Red-winged Blackbird
Tordo Ojiclaro - Euphagus cyanocephalus - Brewer´s Blackbird
Zanate Mayor - Quiscalus mexicanus - Great-tailed Grackle
Zanate Norteño - Quiscalus quiscula - Common Grackle

Fringillidae
Jilguero Canario - Carduelis tristis - American Goldfinch
Carpodaco de Cassin - Carpodacus cassinii - Cassin´s Finch
Pinzón Mexicano - Carpodacus mexicanus - House Finch
Jilguero de los Pinos - Spinus pinus - Pine Siskin
Jilguero Aliblanco - Astragalinus psaltria - Lesser Goldfinch

Passeridae
Gorrión - Passer domesticus - House Sparrow