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Observaciones de aves

Intervalo de fechas:
Oct-Dic, 2007-2011 Años por separado

United States

Última actualización hace ~38 horas.

931 especies (+367 otros taxones) Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
whistling-duck sp.
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Graylag x Swan Goose (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Snow x Greater White-fronted Goose (hybrid)
Taiga/Tundra Bean-Goose
Domestic goose sp. (Domestic type)
Snow Goose x Brant (hybrid)
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Swan Goose x Canada Goose (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Graylag x Canada Goose (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Snow x Canada Goose (hybrid)
Barnacle x Canada Goose (hybrid)
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
Branta sp.
Trumpeter x Tundra Swan (hybrid)
Trumpeter/Tundra Swan
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
swan sp.
goose sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Blue-winged x Cinnamon Teal (hybrid)
Blue-winged/Cinnamon Teal
Blue-winged Teal x Northern Shoveler (hybrid)
Northern Shoveler x Gadwall (hybrid)
Eurasian x American Wigeon (hybrid)
Eurasian/American Wigeon
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Muscovy Duck x Mallard (hybrid)
Wood Duck x Mallard (hybrid)
Northern Shoveler x Mallard (hybrid)
Gadwall x Mallard (hybrid)
American Wigeon x Mallard (hybrid)
Mallard x Hawaiian Duck (hybrid)
Mallard/Hawaiian Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
Mallard x American Black Duck (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Mallard/American Black Duck
Mallard x Mottled Duck (hybrid)
Mallard/Mottled Duck
American Black/Mottled Duck
Gadwall x Northern Pintail (hybrid)
Mallard x Northern Pintail (hybrid)
Anas sp.
teal sp.
dabbling duck sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Ring-necked Duck x Lesser Scaup (hybrid)
Tufted Duck x scaup sp. (hybrid)
Greater/Lesser Scaup
Aythya sp.
King/Common Eider
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
eider sp.
White-winged/Stejneger's Scoter
Surf/Black Scoter
scoter sp.
Bufflehead x Common Goldeneye (hybrid)
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Common Goldeneye x Hooded Merganser (hybrid)
Barrow's Goldeneye x Hooded Merganser (hybrid)
goldeneye sp. x Hooded Merganser (hybrid)
Common/Red-breasted Merganser
merganser sp.
duck sp.
waterfowl sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
California x Gambel's Quail (hybrid)
California/Gambel's Quail
new world quail sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
ptarmigan sp.
Ruffed/Spruce Grouse
grouse sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
francolin/spurfowl sp.
flamingo sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Horned/Eared Grebe
Podiceps sp.
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Rock/Band-tailed Pigeon
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Eurasian/African Collared-Dove
ground dove/Inca Dove
Eurasian Collared-Dove x Mourning Dove (hybrid)
pigeon/dove sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Yellow-billed/Black-billed Cuckoo
Coccyzus sp.
cuckoo sp. (Cuculidae sp.)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
nighthawk sp.
Eastern/Mexican Whip-poor-will
Antrostomus sp.
nightjar sp.
Chimney/Vaux's Swift
Chaetura sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
small swift sp.
swift sp.
Ruby-throated/Black-chinned Hummingbird
Black-chinned x Costa's Hummingbird (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Anna's x Costa's Hummingbird (hybrid)
Anna's/Costa's Hummingbird
Anna's x Calliope Hummingbird (hybrid)
Rufous/Allen's Hummingbird
Anna's Hummingbird x Selasphorus sp. (hybrid)
Selasphorus sp.
Broad-billed x Violet-crowned Hummingbird (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
hummingbird sp.
King/Clapper Rail
large rail sp.
King/Virginia Rail
Rallus sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
moorhen/coot/gallinule sp.
rail/crake sp.
Sandhill x Common Crane (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
American x Black Oystercatcher (hybrid)
American/Pacific Golden-Plover (Lesser Golden-Plover)
golden-plover sp.
Black-bellied Plover/golden-plover sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
small plover sp.
plover sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Short-billed/Long-billed Dowitcher
Common/Wilson's Snipe
snipe sp.
Red/Red-necked Phalarope
phalarope sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Gray-tailed/Wandering Tattler
Lesser/Greater Yellowlegs
Tringa sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Western/Semipalmated Sandpiper
peep sp.
Calidris sp.
Scolopacidae sp.
large shorebird sp.
shorebird sp.
Long-tailed/Parasitic Jaeger
Parasitic/Pomarine Jaeger
jaeger sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
skua sp.
auklet sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Thick-billed/Common Murre
large alcid sp.
Scripps's/Guadalupe Murrelet (Xantus's Murrelet)
Scripps's/Guadalupe/Craveri's Murrelet
murrelet sp.
alcid sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Black-headed x Ring-billed Gull (hybrid)
Laughing x Ring-billed Gull (hybrid)
Kelp x Herring Gull (hybrid)
Herring x Great Black-backed Gull (hybrid)
Herring x Glaucous Gull (hybrid)
Great Black-backed x Glaucous Gull (hybrid)
Herring x Lesser Black-backed Gull (hybrid)
Herring/Lesser Black-backed Gull
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Western x Glaucous-winged Gull (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
Western/Glaucous-winged Gull
Herring/Iceland Gull
white-winged gull sp.
Larus sp.
gull sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Brown/Black Noddy
Little/Least Tern
Forster's/Common Tern
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Common/Arctic Tern
Sterna sp.
Elegant/Royal Tern
Thalasseus sp.
large tern sp.
tern sp.
gull/tern sp.
tropicbird sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Arctic/Pacific Loon
Common/Yellow-billed Loon
loon sp.
Laysan x Black-footed Albatross (hybrid)
albatross sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Leach's/Townsend's Storm-Petrel (dark-rumped)
Hydrobates sp.
storm-petrel sp. (white-rumped)
storm-petrel sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Pterodroma sp.
Cory's/Great Shearwater
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Sooty/Short-tailed Shearwater
black-and-white shearwater sp.
shearwater sp.
procellariid sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
frigatebird sp.
sulid sp.
Great/Double-crested Cormorant
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Double-crested/Neotropic Cormorant
cormorant sp.
Yellow-crowned x Black-crowned Night Heron (hybrid)
Yellow-crowned/Black-crowned Night Heron
Little Blue x Tricolored Heron (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Western/Eastern Cattle Egret
Ardea sp.
heron sp.
white egret sp.
Glossy/White-faced Ibis
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
ibis sp.
new world vulture sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Hen/Northern Harrier
Sharp-shinned/Cooper's Hawk
Cooper's Hawk/American Goshawk
Accipiter sp.
Golden/Bald Eagle
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Red-tailed x Rough-legged Hawk (hybrid)
Buteo sp.
Buteo/eagle sp.
hawk sp.
eagle sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
screech-owl sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Long-eared/Short-eared Owl
Asio sp.
owl sp.
kingfisher sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Yellow-bellied x Red-naped Sapsucker (hybrid)
Yellow-bellied/Red-naped Sapsucker
Red-naped x Red-breasted Sapsucker (hybrid)
Red-naped/Red-breasted Sapsucker
sapsucker sp.
Golden-fronted x Red-bellied Woodpecker (hybrid)
Golden-fronted/Red-bellied Woodpecker
Melanerpes sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Downy x Nuttall's Woodpecker (hybrid)
Downy x Ladder-backed Woodpecker (hybrid)
Nuttall's x Ladder-backed Woodpecker (hybrid)
Nuttall's/Ladder-backed Woodpecker
Downy/Hairy Woodpecker
Dryobates sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Northern/Gilded Flicker
woodpecker sp.
large falcon sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
small falcon sp.
falcon sp.
diurnal raptor sp.
lovebird sp.
White-winged/Yellow-chevroned Parakeet
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Amazona sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Scarlet-fronted/Cordilleran Parakeet
Mitred/Red-masked Parakeet
Psittacara sp.
large parakeet sp. (former Aratinga sp.)
parakeet sp.
parrot sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
elaenia sp. (genus Elaenia)
Western/Eastern Wood-Pewee
pewee sp. (Contopus sp.)
Alder/Willow Flycatcher (Traill's Flycatcher)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Hammond's/Dusky Flycatcher
Empidonax sp.
Black x Say's Phoebe (hybrid)
phoebe sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Myiarchus sp.
Tropical/Couch's Kingbird
Cassin's/Western Kingbird
yellow-bellied kingbird sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
new world flycatcher sp.
Cassin's/Blue-headed Vireo
Cassin's/Plumbeous Vireo
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
solitary vireo sp.
Philadelphia/Warbling Vireo
vireo sp.
Loggerhead/Northern Shrike
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Northern/Great Gray Shrike
shrike sp.
California/Woodhouse's Scrub-Jay
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
American/Fish Crow
crow sp.
raven sp.
crow/raven sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Carolina x Black-capped Chickadee (hybrid)
Carolina/Black-capped Chickadee
Black-capped x Mountain Chickadee (hybrid)
Black-capped/Mountain Chickadee
chickadee sp.
Oak/Juniper Titmouse (Plain Titmouse)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Tufted x Black-crested Titmouse (hybrid)
Tufted/Black-crested Titmouse
Tree/Violet-green Swallow
new world martin sp. (Progne sp.)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Cliff/Cave Swallow
swallow sp.
Phylloscopus sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Ruby-crowned/Golden-crowned Kinglet
nuthatch sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
gnatcatcher sp.
Pacific/Winter Wren
Sedge/Marsh Wren
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
wren sp.
Brown/Long-billed Thrasher
Curve-billed/Bendire's Thrasher
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Toxostoma sp.
bluebird sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Gray-cheeked/Bicknell's Thrush
Catharus sp.
Turdus sp.
thrush sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Bohemian/Cedar Waxwing
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
estrildid finch sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
pipit sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
rosy-finch sp.
House/Purple Finch
Haemorhous sp.
Common/Hoary Redpoll
redpoll sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
crossbill sp.
new world goldfinch sp.
Spinus sp.
Acanthis/Spinus sp.
finch sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
longspur sp.
Snow/McKay's Bunting
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Spizella sp.
Spizella sp./American Tree Sparrow
Dark-eyed/Yellow-eyed Junco
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
White-crowned x Golden-crowned Sparrow (hybrid)
Dark-eyed Junco x White-throated Sparrow (hybrid)
White-crowned/White-throated Sparrow
Zonotrichia sp.
Sagebrush/Bell's Sparrow (Sage Sparrow)
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Ammospiza sp.
Song x Swamp Sparrow (hybrid)
Canyon/Abert's Towhee
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Spotted x Eastern Towhee (hybrid)
Spotted/Eastern Towhee (Rufous-sided Towhee)
towhee sp.
new world sparrow sp.
Western/Eastern Meadowlark
Western/Chihuahuan Meadowlark
Eastern/Chihuahuan Meadowlark
Sturnella meadowlark sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Orchard/Hooded Oriole
Altamira x Audubon's Oriole (hybrid)
Bullock's x Baltimore Oriole (hybrid)
Bullock's/Baltimore Oriole
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
new world oriole sp.
Red-winged/Tricolored Blackbird
Shiny/Brown-headed Cowbird
Bronzed/Brown-headed Cowbird
Rusty/Brewer's Blackbird
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Boat-tailed/Great-tailed Grackle
grackle sp.
blackbird sp.
Louisiana/Northern Waterthrush
Golden-winged x Blue-winged Warbler (hybrid)
Brewster's Warbler (hybrid)
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Leiothlypis sp.
Connecticut/MacGillivray's/Mourning Warbler
MacGillivray's/Mourning Warbler
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Northern x Tropical Parula (hybrid)
Northern/Tropical Parula
Bay-breasted/Blackpoll Warbler
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Townsend's x Hermit Warbler (hybrid)
Townsend's/Hermit Warbler
Setophaga sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
new world warbler sp.
tanager sp. (Piranga sp.)
Northern Cardinal/Pyrrhuloxia
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
Rose-breasted/Black-headed Grosbeak
Lazuli x Indigo Bunting (hybrid)
Lazuli/Indigo Bunting
Passerina sp.
Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic
passerine sp.
bird sp.

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