Birds of Sussex County, Delaware is a list of the most common birds observed in the county. Showing the yearly average percentage observation frequency for each species.
39% |
Turkey Vulture
Cathartes aura Order: Cathartiformes Family: Cathartidae |
39% |
Northern Cardinal
Cardinalis cardinalis Order: Passeriformes Family: Cardinalidae |
36% |
Laughing Gull
Leucophaeus atricilla Order: Charadriiformes Family: Laridae |
36% |
Mourning Dove
Zenaida macroura Order: Columbiformes Family: Columbidae |
35% |
Red-winged Blackbird
Agelaius phoeniceus Order: Passeriformes Family: Icteridae |
34% |
Herring Gull
Larus argentatus Order: Charadriiformes Family: Laridae |
34% |
Great Blue Heron
Ardea herodias Order: Pelecaniformes Family: Ardeidae |
34% |
Carolina Chickadee
Poecile carolinensis Order: Passeriformes Family: Paridae |
32% |
American Robin
Turdus migratorius Order: Passeriformes Family: Turdidae |
31% |
Carolina Wren
Thryothorus ludovicianus Order: Passeriformes Family: Troglodytidae |
30% |
Osprey
Pandion haliaetus Order: Accipitriformes Family: Pandionidae |
27% |
Northern Mockingbird
Mimus polyglottos Order: Passeriformes Family: Mimidae |
26% |
Ring-billed Gull
Larus delawarensis Order: Charadriiformes Family: Laridae |
26% |
Double-crested Cormorant
Nannopterum auritum Order: Suliformes Family: Phalacrocoracidae |
25% |
Canada Goose
Branta canadensis Order: Anseriformes Family: Anatidae |
25% |
Great Black-backed Gull
Larus marinus Order: Charadriiformes Family: Laridae |
25% |
Tufted Titmouse
Baeolophus bicolor Order: Passeriformes Family: Paridae |
24% |
European Starling
Sturnus vulgaris Order: Passeriformes Family: Sturnidae |
23% |
American Goldfinch
Spinus tristis Order: Passeriformes Family: Fringillidae |
22% |
Song Sparrow
Melospiza melodia Order: Passeriformes Family: Passerellidae |
21% |
Forster's Tern
Sterna forsteri Order: Charadriiformes Family: Laridae |
21% |
Blue Jay
Cyanocitta cristata Order: Passeriformes Family: Corvidae |
21% |
Common Grackle
Quiscalus quiscula Order: Passeriformes Family: Icteridae |
20% |
Red-bellied Woodpecker
Melanerpes carolinus Order: Piciformes Family: Picidae |
20% |
House Finch
Haemorhous mexicanus Order: Passeriformes Family: Fringillidae |
20% |
Bald Eagle
Haliaeetus leucocephalus Order: Accipitriformes Family: Accipitridae |
19% |
American Crow
Corvus brachyrhynchos Order: Passeriformes Family: Corvidae |
19% |
Mallard
Anas platyrhynchos Order: Anseriformes Family: Anatidae |
18% |
Downy Woodpecker
Dryobates pubescens Order: Piciformes Family: Picidae |
18% |
White-throated Sparrow
Zonotrichia albicollis Order: Passeriformes Family: Passerellidae |
17% |
Snowy Egret
Egretta thula Order: Pelecaniformes Family: Ardeidae |
16% |
Tree Swallow
Tachycineta bicolor Order: Passeriformes Family: Hirundinidae |
15% |
Barn Swallow
Hirundo rustica Order: Passeriformes Family: Hirundinidae |
15% |
Great Egret
Ardea alba Order: Pelecaniformes Family: Ardeidae |
15% |
American Black Duck
Anas rubripes Order: Anseriformes Family: Anatidae |
15% |
Chipping Sparrow
Spizella passerina Order: Passeriformes Family: Passerellidae |
14% |
Yellow-rumped Warbler
Setophaga coronata Order: Passeriformes Family: Parulidae |
14% |
Northern Flicker
Colaptes auratus Order: Piciformes Family: Picidae |
13% |
Gray Catbird
Dumetella carolinensis Order: Passeriformes Family: Mimidae |
13% |
Dark-eyed Junco
Junco hyemalis Order: Passeriformes Family: Passerellidae |
13% |
Bufflehead
Bucephala albeola Order: Anseriformes Family: Anatidae |
13% |
Fish Crow
Corvus ossifragus Order: Passeriformes Family: Corvidae |
12% |
Greater Yellowlegs
Tringa melanoleuca Order: Charadriiformes Family: Scolopacidae |
12% |
Sanderling
Calidris alba Order: Charadriiformes Family: Scolopacidae |
12% |
Black Vulture
Coragyps atratus Order: Cathartiformes Family: Cathartidae |
11% |
Purple Martin
Progne subis Order: Passeriformes Family: Hirundinidae |
11% |
Eastern Towhee
Pipilo erythrophthalmus Order: Passeriformes Family: Passerellidae |
11% |
Brown-headed Cowbird
Molothrus ater Order: Passeriformes Family: Icteridae |
11% |
Blue Grosbeak
Passerina caerulea Order: Passeriformes Family: Cardinalidae |
11% |
Brown-headed Nuthatch
Sitta pusilla Order: Passeriformes Family: Sittidae |
11% |
Common Yellowthroat
Geothlypis trichas Order: Passeriformes Family: Parulidae |
10% |
Eastern Bluebird
Sialia sialis Order: Passeriformes Family: Turdidae |
9.8% |
House Sparrow
Passer domesticus Order: Passeriformes Family: Passeridae |
9.7% |
Pine Warbler
Setophaga pinus Order: Passeriformes Family: Parulidae |
9.4% |
Rock Pigeon
Columba livia Order: Columbiformes Family: Columbidae |
9.2% |
Surf Scoter
Melanitta perspicillata Order: Anseriformes Family: Anatidae |
9.1% |
Royal Tern
Thalasseus maximus Order: Charadriiformes Family: Laridae |
8.9% |
Common Loon
Gavia immer Order: Gaviiformes Family: Gaviidae |
8.6% |
Snow Goose
Anser caerulescens Order: Anseriformes Family: Anatidae |
8.6% |
Ruddy Turnstone
Arenaria interpres Order: Charadriiformes Family: Scolopacidae |
8.5% |
Boat-tailed Grackle
Quiscalus major Order: Passeriformes Family: Icteridae |
8.4% |
Dunlin
Calidris alpina Order: Charadriiformes Family: Scolopacidae |
8.4% |
Northern Harrier
Circus hudsonius Order: Accipitriformes Family: Accipitridae |
8.3% |
Field Sparrow
Spizella pusilla Order: Passeriformes Family: Passerellidae |
7.9% |
Willet
Tringa semipalmata Order: Charadriiformes Family: Scolopacidae |
7.8% |
Belted Kingfisher
Megaceryle alcyon Order: Coraciiformes Family: Alcedinidae |
7.7% |
Red-tailed Hawk
Buteo jamaicensis Order: Accipitriformes Family: Accipitridae |
7.7% |
Eastern Kingbird
Tyrannus tyrannus Order: Passeriformes Family: Tyrannidae |
7.6% |
Ruby-throated Hummingbird
Archilochus colubris Order: Caprimulgiformes Family: Trochilidae |
7.5% |
Black Scoter
Melanitta americana Order: Anseriformes Family: Anatidae |
7.4% |
Red-throated Loon
Gavia stellata Order: Gaviiformes Family: Gaviidae |
7.3% |
Indigo Bunting
Passerina cyanea Order: Passeriformes Family: Cardinalidae |
7.2% |
Semipalmated Sandpiper
Calidris pusilla Order: Charadriiformes Family: Scolopacidae |
7.2% |
Great Crested Flycatcher
Myiarchus crinitus Order: Passeriformes Family: Tyrannidae |
7.0% |
Brown Thrasher
Toxostoma rufum Order: Passeriformes Family: Mimidae |
6.8% |
Killdeer
Charadrius vociferus Order: Charadriiformes Family: Charadriidae |
6.7% |
Red-breasted Nuthatch
Sitta canadensis Order: Passeriformes Family: Sittidae |
6.7% |
House Wren
Troglodytes aedon Order: Passeriformes Family: Troglodytidae |
6.6% |
Lesser Yellowlegs
Tringa flavipes Order: Charadriiformes Family: Scolopacidae |
6.4% |
Black-bellied Plover
Pluvialis squatarola Order: Charadriiformes Family: Charadriidae |
6.4% |
Green Heron
Butorides virescens Order: Pelecaniformes Family: Ardeidae |
6.3% |
Red-breasted Merganser
Mergus serrator Order: Anseriformes Family: Anatidae |
6.2% |
Cedar Waxwing
Bombycilla cedrorum Order: Passeriformes Family: Bombycillidae |
6.2% |
Semipalmated Plover
Charadrius semipalmatus Order: Charadriiformes Family: Charadriidae |
6.0% |
Northern Gannet
Morus bassanus Order: Suliformes Family: Sulidae |
5.9% |
Blue-gray Gnatcatcher
Polioptila caerulea Order: Passeriformes Family: Polioptilidae |
5.9% |
Cooper's Hawk
Accipiter cooperii Order: Accipitriformes Family: Accipitridae |
5.7% |
Pileated Woodpecker
Dryocopus pileatus Order: Piciformes Family: Picidae |
5.7% |
Green-winged Teal
Anas crecca Order: Anseriformes Family: Anatidae |
5.6% |
Short-billed Dowitcher
Limnodromus griseus Order: Charadriiformes Family: Scolopacidae |
5.6% |
Eastern Wood-Pewee
Contopus virens Order: Passeriformes Family: Tyrannidae |
5.5% |
Caspian Tern
Hydroprogne caspia Order: Charadriiformes Family: Laridae |
5.4% |
Swamp Sparrow
Melospiza georgiana Order: Passeriformes Family: Passerellidae |
5.1% |
Least Sandpiper
Calidris minutilla Order: Charadriiformes Family: Scolopacidae |
5.1% |
Red-eyed Vireo
Vireo olivaceus Order: Passeriformes Family: Vireonidae |
5.0% |
Least Tern
Sternula antillarum Order: Charadriiformes Family: Laridae |
5.0% |
Golden-crowned Kinglet
Regulus satrapa Order: Passeriformes Family: Regulidae |
4.9% |
Clapper Rail
Rallus crepitans Order: Gruiformes Family: Rallidae |
4.9% |
Northern Shoveler
Spatula clypeata Order: Anseriformes Family: Anatidae |
4.8% |
Sharp-shinned Hawk
Accipiter striatus Order: Accipitriformes Family: Accipitridae |
4.8% |
American Oystercatcher
Haematopus palliatus Order: Charadriiformes Family: Haematopodidae |
4.6% |
American Kestrel
Falco sparverius Order: Falconiformes Family: Falconidae |
4.6% |
Lesser Black-backed Gull
Larus fuscus Order: Charadriiformes Family: Laridae |
4.5% |
Eastern Phoebe
Sayornis phoebe Order: Passeriformes Family: Tyrannidae |
4.4% |
Black Skimmer
Rynchops niger Order: Charadriiformes Family: Laridae |
4.4% |
Long-tailed Duck
Clangula hyemalis Order: Anseriformes Family: Anatidae |
4.3% |
Chimney Swift
Chaetura pelagica Order: Caprimulgiformes Family: Apodidae |
4.3% |
Brown Pelican
Pelecanus occidentalis Order: Pelecaniformes Family: Pelecanidae |
4.2% |
Ruby-crowned Kinglet
Corthylio calendula Order: Passeriformes Family: Regulidae |
4.2% |
Glossy Ibis
Plegadis falcinellus Order: Pelecaniformes Family: Threskiornithidae |
4.1% |
Hooded Merganser
Lophodytes cucullatus Order: Anseriformes Family: Anatidae |
4.0% |
Seaside Sparrow
Ammospiza maritima Order: Passeriformes Family: Passerellidae |
4.0% |
Northern Pintail
Anas acuta Order: Anseriformes Family: Anatidae |
4.0% |
Brant
Branta bernicla Order: Anseriformes Family: Anatidae |
3.9% |
Common Tern
Sterna hirundo Order: Charadriiformes Family: Laridae |
3.8% |
White-eyed Vireo
Vireo griseus Order: Passeriformes Family: Vireonidae |
3.8% |
Wood Duck
Aix sponsa Order: Anseriformes Family: Anatidae |
3.7% |
Savannah Sparrow
Passerculus sandwichensis Order: Passeriformes Family: Passerellidae |
3.7% |
Hairy Woodpecker
Dryobates villosus Order: Piciformes Family: Picidae |
3.6% |
Ruddy Duck
Oxyura jamaicensis Order: Anseriformes Family: Anatidae |
3.6% |
Ovenbird
Seiurus aurocapilla Order: Passeriformes Family: Parulidae |
3.4% |
Bonaparte's Gull
Chroicocephalus philadelphia Order: Charadriiformes Family: Laridae |
3.4% |
Gadwall
Mareca strepera Order: Anseriformes Family: Anatidae |
3.4% |
Merlin
Falco columbarius Order: Falconiformes Family: Falconidae |
3.4% |
Marsh Wren
Cistothorus palustris Order: Passeriformes Family: Troglodytidae |
3.3% |
Peregrine Falcon
Falco peregrinus Order: Falconiformes Family: Falconidae |
3.1% |
Hermit Thrush
Catharus guttatus Order: Passeriformes Family: Turdidae |
3.0% |
White-breasted Nuthatch
Sitta carolinensis Order: Passeriformes Family: Sittidae |
3.0% |
Great Cormorant
Phalacrocorax carbo Order: Suliformes Family: Phalacrocoracidae |
2.8% |
Orchard Oriole
Icterus spurius Order: Passeriformes Family: Icteridae |
2.8% |
Horned Lark
Eremophila alpestris Order: Passeriformes Family: Alaudidae |
2.7% |
Spotted Sandpiper
Actitis macularius Order: Charadriiformes Family: Scolopacidae |
2.6% |
American Redstart
Setophaga ruticilla Order: Passeriformes Family: Parulidae |
2.6% |
Horned Grebe
Podiceps auritus Order: Podicipediformes Family: Podicipedidae |
2.6% |
American Avocet
Recurvirostra americana Order: Charadriiformes Family: Recurvirostridae |
2.5% |
Brown Creeper
Certhia americana Order: Passeriformes Family: Certhiidae |
2.5% |
Prairie Warbler
Setophaga discolor Order: Passeriformes Family: Parulidae |
2.5% |
Black-and-white Warbler
Mniotilta varia Order: Passeriformes Family: Parulidae |
2.4% |
Tundra Swan
Cygnus columbianus Order: Anseriformes Family: Anatidae |
2.4% |
Black-necked Stilt
Himantopus mexicanus Order: Charadriiformes Family: Recurvirostridae |
2.1% |
American Wigeon
Mareca americana Order: Anseriformes Family: Anatidae |
2.1% |
Yellow-billed Cuckoo
Coccyzus americanus Order: Cuculiformes Family: Cuculidae |
2.0% |
Pine Siskin
Spinus pinus Order: Passeriformes Family: Fringillidae |
2.0% |
Purple Sandpiper
Calidris maritima Order: Charadriiformes Family: Scolopacidae |
2.0% |
Pied-billed Grebe
Podilymbus podiceps Order: Podicipediformes Family: Podicipedidae |
2.0% |
White-winged Scoter
Melanitta deglandi Order: Anseriformes Family: Anatidae |
2.0% |
Great Horned Owl
Bubo virginianus Order: Strigiformes Family: Strigidae |
2.0% |
Yellow Warbler
Setophaga petechia Order: Passeriformes Family: Parulidae |
1.9% |
Canvasback
Aythya valisineria Order: Anseriformes Family: Anatidae |
1.9% |
Wild Turkey
Meleagris gallopavo Order: Galliformes Family: Phasianidae |
1.9% |
Northern Parula
Setophaga americana Order: Passeriformes Family: Parulidae |
1.9% |
Common Eider
Somateria mollissima Order: Anseriformes Family: Anatidae |
1.8% |
Prothonotary Warbler
Protonotaria citrea Order: Passeriformes Family: Parulidae |
1.8% |
Wood Thrush
Hylocichla mustelina Order: Passeriformes Family: Turdidae |
1.8% |
Acadian Flycatcher
Empidonax virescens Order: Passeriformes Family: Tyrannidae |
1.8% |
Eastern Meadowlark
Sturnella magna Order: Passeriformes Family: Icteridae |
1.8% |
Red-shouldered Hawk
Buteo lineatus Order: Accipitriformes Family: Accipitridae |
1.6% |
Red Knot
Calidris canutus Order: Charadriiformes Family: Scolopacidae |
1.6% |
Palm Warbler
Setophaga palmarum Order: Passeriformes Family: Parulidae |
1.6% |
Winter Wren
Troglodytes hiemalis Order: Passeriformes Family: Troglodytidae |
1.5% |
Yellow-breasted Chat
Icteria virens Order: Passeriformes Family: Icteriidae |
1.5% |
Fox Sparrow
Passerella iliaca Order: Passeriformes Family: Passerellidae |
1.5% |
Yellow-throated Warbler
Setophaga dominica Order: Passeriformes Family: Parulidae |
1.5% |
Red-headed Woodpecker
Melanerpes erythrocephalus Order: Piciformes Family: Picidae |
1.5% |
Tricolored Heron
Egretta tricolor Order: Pelecaniformes Family: Ardeidae |
1.5% |
Scarlet Tanager
Piranga olivacea Order: Passeriformes Family: Cardinalidae |
1.5% |
Greater Scaup
Aythya marila Order: Anseriformes Family: Anatidae |
1.5% |
Yellow-bellied Sapsucker
Sphyrapicus varius Order: Piciformes Family: Picidae |
1.4% |
Black-crowned Night Heron
Nycticorax nycticorax Order: Pelecaniformes Family: Ardeidae |
1.4% |
Lesser Scaup
Aythya affinis Order: Anseriformes Family: Anatidae |
1.4% |
Summer Tanager
Piranga rubra Order: Passeriformes Family: Cardinalidae |
1.3% |
Piping Plover
Charadrius melodus Order: Charadriiformes Family: Charadriidae |
1.3% |
White Ibis
Eudocimus albus Order: Pelecaniformes Family: Threskiornithidae |
1.3% |
Ring-necked Duck
Aythya collaris Order: Anseriformes Family: Anatidae |
1.2% |
Mute Swan
Cygnus olor Order: Anseriformes Family: Anatidae |
1.2% |
Grasshopper Sparrow
Ammodramus savannarum Order: Passeriformes Family: Passerellidae |
1.2% |
Blackpoll Warbler
Setophaga striata Order: Passeriformes Family: Parulidae |
1.1% |
Common Merganser
Mergus merganser Order: Anseriformes Family: Anatidae |
1.1% |
Snow Bunting
Plectrophenax nivalis Order: Passeriformes Family: Calcariidae |
1.1% |
Bank Swallow
Riparia riparia Order: Passeriformes Family: Hirundinidae |
1.0% |
Common Goldeneye
Bucephala clangula Order: Anseriformes Family: Anatidae |
1.0% |
Purple Finch
Haemorhous purpureus Order: Passeriformes Family: Fringillidae |