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Bird Observations

Date Range:
Jan-Dec, 1900-2019

Delaware Coastal Zone

401 species (+118 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black-bellied Whistling-Duck
Fulvous Whistling-Duck
Snow Goose
Ross's Goose
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Graylag Goose (Domestic type)
Greater White-fronted Goose
Snow x Greater White-fronted Goose (hybrid)
Pink-footed Goose
Domestic goose sp. (Domestic type)
Brant
Barnacle Goose
Cackling Goose
Canada Goose
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Swan Goose (Domestic type) x Canada Goose (hybrid)
Graylag Goose (Domestic type) x Canada Goose (hybrid)
Domestic goose sp. (Domestic type) x Canada Goose (hybrid)
Snow x Canada Goose (hybrid)
Barnacle x Canada Goose (hybrid)
Cackling/Canada Goose
Branta sp.
goose sp.
Mute Swan
Trumpeter Swan
Tundra Swan
swan sp.
Wood Duck
Garganey
Blue-winged Teal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cinnamon Teal
Northern Shoveler
Gadwall
Northern Shoveler x Gadwall (hybrid)
Eurasian Wigeon
American Wigeon
Eurasian/American Wigeon
Mallard
Mallard (Domestic type)
American Black Duck
Mallard x American Black Duck (hybrid)
Mallard/American Black Duck
Northern Pintail
American Wigeon x Northern Pintail (hybrid)
Green-winged Teal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Tufted Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
King Eider
Common Eider
Harlequin Duck
Surf Scoter
White-winged Scoter
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black Scoter
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
Ruddy Duck
duck sp.
waterfowl sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Bobwhite
Ring-necked Pheasant
Wild Turkey
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Western Grebe
grebe sp.
Rock Pigeon
Eurasian Collared-Dove
Common Ground-Dove
White-winged Dove
Mourning Dove
Yellow-billed Cuckoo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Black-billed Cuckoo
Yellow-billed/Black-billed Cuckoo
cuckoo sp. (Cuculidae sp.)
Common Nighthawk
Chuck-will's-widow
Eastern Whip-poor-will
Chimney Swift
Ruby-throated Hummingbird
Ruby-throated/Black-chinned Hummingbird
Broad-tailed Hummingbird
Rufous Hummingbird
Rufous/Allen's Hummingbird
hummingbird sp.
King Rail
Clapper Rail
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
King/Clapper Rail
large rail sp.
Virginia Rail
Sora
Common Gallinule
American Coot
Purple Gallinule
Yellow Rail
Black Rail
rail/crake sp.
Sandhill Crane
Black-necked Stilt
American Avocet
American Oystercatcher
Black-bellied Plover
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Golden-Plover
Pacific Golden-Plover
American/Pacific Golden-Plover (Lesser Golden-Plover)
Black-bellied Plover/golden-plover sp.
Northern Lapwing
Semipalmated Plover
Piping Plover
Killdeer
plover sp.
Upland Sandpiper
Whimbrel
Black-tailed Godwit
Hudsonian Godwit
Marbled Godwit
godwit sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ruddy Turnstone
Red Knot
Ruff
Sharp-tailed Sandpiper
Stilt Sandpiper
Curlew Sandpiper
Red-necked Stint
Sanderling
Dunlin
Purple Sandpiper
Baird's Sandpiper
Little Stint
Least Sandpiper
White-rumped Sandpiper
Dunlin x White-rumped Sandpiper (hybrid)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Buff-breasted Sandpiper
Pectoral Sandpiper
Semipalmated Sandpiper
Western Sandpiper
Semipalmated/Western Sandpiper
peep sp.
Calidris sp.
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
American Woodcock
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Red Phalarope
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Spotted Sandpiper
Solitary Sandpiper
Greater Yellowlegs
Willet
Lesser Yellowlegs
Greater/Lesser Yellowlegs
Wood Sandpiper
Tringa sp.
Scolopacidae sp.
large shorebird sp.
shorebird sp.
Pomarine Jaeger
Parasitic Jaeger
Long-tailed Jaeger
jaeger sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Dovekie
Common Murre
Thick-billed Murre
Razorbill
large alcid sp.
Black Guillemot
alcid sp.
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Little Gull
Ross's Gull
Laughing Gull
Franklin's Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mew Gull
Ring-billed Gull
Herring Gull
Iceland Gull
Lesser Black-backed Gull
Herring x Lesser Black-backed Gull (hybrid)
Glaucous Gull
Great Black-backed Gull
Herring x Great Black-backed Gull (hybrid)
Kelp Gull
Larus sp.
gull sp.
Sooty Tern
Bridled Tern
Least Tern
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Gull-billed Tern
Caspian Tern
Black Tern
White-winged Tern
Whiskered Tern
Roseate Tern
Common Tern
Arctic Tern
Forster's Tern
Common/Forster's Tern
Sterna sp.
Royal Tern
Sandwich Tern
Elegant Tern
large tern sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
tern sp.
Black Skimmer
gull/tern sp.
White-tailed Tropicbird
Red-throated Loon
Common Loon
loon sp.
Wilson's Storm-Petrel
Leach's Storm-Petrel
Northern Fulmar
Cory's Shearwater
Great Shearwater
Sooty Shearwater
Manx Shearwater
Audubon's Shearwater
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
black-and-white shearwater sp.
Wood Stork
Magnificent Frigatebird
Brown Booby
Northern Gannet
Anhinga
Great Cormorant
Double-crested Cormorant
Great/Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Least Bittern
Great Blue Heron
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Egret
Little Egret
Snowy Egret
Little Blue Heron
Tricolored Heron
Reddish Egret
Cattle Egret
white egret sp.
Green Heron
Black-crowned Night-Heron
Yellow-crowned Night-Heron
Black-crowned/Yellow-crowned Night-Heron
heron sp.
White Ibis
Glossy Ibis
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-faced Ibis
Glossy/White-faced Ibis
ibis sp.
Roseate Spoonbill
Black Vulture
Turkey Vulture
new world vulture sp.
Osprey
Swallow-tailed Kite
Golden Eagle
Mississippi Kite
Northern Harrier