Updated ~24 hr(s) ago.
270 species (+70 other taxa) | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
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Snow/Ross's Goose (Anser caerulescens/rossii)
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Domestic goose sp. (Domestic type) (Anser sp. (Domestic type))
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Domestic goose sp. x Canada Goose (hybrid) (Anser sp. (Domestic type) x Branta canadensis)
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Cackling/Canada Goose (Branta hutchinsii/canadensis)
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Trumpeter/Tundra Swan (Cygnus buccinator/columbianus)
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swan sp. (Cygnus sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
goose sp. (Anatidae (goose sp.))
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Mallard x American Black Duck (hybrid) (Anas platyrhynchos x rubripes)
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Mallard/American Black Duck (Anas platyrhynchos/rubripes)
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teal sp. (Anatidae sp. (teal sp.))
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dabbling duck sp. (Anatidae sp. (dabbling duck sp.))
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Greater/Lesser Scaup (Aythya marila/affinis)
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Aythya sp. (Aythya sp.)
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Common/Red-breasted Merganser (Mergus merganser/serrator)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
merganser sp. (Mergellus/Lophodytes/Mergus sp.)
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Pato sp. (Anatidae (duck sp.))
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Horned/Eared Grebe (Podiceps auritus/nigricollis)
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Macá sp. (Podicipedidae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Cuclillo Pico Amarillo/Ojo Colorado (Coccyzus americanus/erythropthalmus)
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Picaflor sp. (Trochilidae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Chorlo Artico/Pampa (Pluvialis sp.)
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Short-billed/Long-billed Dowitcher (Limnodromus griseus/scolopaceus)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Pitotoy Chico/Grande (Tringa flavipes/melanoleuca)
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Calidris sp. (Playerito sp.) (Calidris sp. (peep sp.))
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Calidris sp. (Calidris sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Charadriiformes sp. (Charadriiformes sp.)
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Larus sp. (Larus sp.)
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Gaviota sp. (Larinae sp.)
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Gaviotín de Forster/Golondrina (Sterna forsteri/hirundo)
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Gaviotín sp. (Sterninae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
heron sp. (Ardeidae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Sharp-shinned/Cooper's Hawk (Accipiter striatus/cooperii)
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Accipiter sp. (Accipiter sp.)
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Red-shouldered/Broad-winged Hawk (Buteo lineatus/platypterus)
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Aguilucho sp. (Buteo sp.)
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hawk sp. (Accipitridae sp. (hawk sp.))
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eagle sp. (Accipitridae sp. (eagle sp.))
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
owl sp. (Strigiformes sp.)
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Downy/Hairy Woodpecker (Dryobates pubescens/villosus)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Pájaro Carpintero sp. (Picidae sp.)
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falcon sp. (Falco sp.)
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diurnal raptor sp. (Accipitriformes/Falconiformes sp.)
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Alder/Willow Flycatcher (Traill's Flycatcher) (Empidonax alnorum/traillii)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Empidonax sp. (Empidonax sp.)
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Philadelphia/Warbling Vireo (Vireo philadelphicus/gilvus)
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vireo sp. (Vireo sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Loggerhead/Northern Shrike (Lanius ludovicianus/borealis)
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crow sp. (Corvus sp. (crow sp.))
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Golondrina sp. (Hirundinidae sp.)
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Ruby-crowned/Golden-crowned Kinglet (Corthylio calendula/Regulus satrapa)
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wren sp. (Troglodytidae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Catharus sp. (Catharus sp.)
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thrush sp. (Turdidae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
House/Purple Finch (Haemorhous mexicanus/purpureus)
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Common/Hoary Redpoll (Acanthis flammea/hornemanni)
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finch sp. (Fringillidae sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Spizella sp. (Spizella sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world sparrow sp. (Passerellidae sp.)
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Western/Eastern Meadowlark (Sturnella neglecta/magna)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Rusty/Brewer's Blackbird (Euphagus carolinus/cyanocephalus)
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blackbird sp. (Icteridae sp.)
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Louisiana/Northern Waterthrush (Parkesia motacilla/noveboracensis)
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Golden-winged x Blue-winged Warbler (hybrid) (Vermivora chrysoptera x cyanoptera)
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Brewster's Warbler (hybrid) (Vermivora chrysoptera x cyanoptera (F1 hybrid))
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Lawrence's Warbler (hybrid) (Vermivora chrysoptera x cyanoptera (F2 backcross))
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
Bay-breasted/Blackpoll Warbler (Setophaga castanea/striata)
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Setophaga sp. (Setophaga sp.)
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||
new world warbler sp. (Parulidae sp.)
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Pájaro sp. (Passeriformes sp.)
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Ave sp. (Aves sp.)
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KEY:| = insufficient data | = rare to widespread