Maryland Checklist
		Species data
		Abundance	Presence
Double-crest. Cormorant Phalacrocorax auritus	Upper Coastal Plain	0.7
	Northern Piedmont	0.2
Least Bittern Ixobrychus exilis	Upper Coastal Plain	0.1
Great Blue Heron Ardea herodias	Upper Coastal Plain	2.7
	Northern Piedmont	1.1
Great Egret Casmerodius albus	Upper Coastal Plain	1.0
Snowy Egret Egretta thula	Upper Coastal Plain	0.2
Little Blue Heron Egretta caerulea	Upper Coastal Plain	0.04
Cattle Egret Bubulcus ibis	Upper Coastal Plain	2.6
	Northern Piedmont	0.08
Green Heron Butorides virescens	Upper Coastal Plain	1.3
	Northern Piedmont	0.6
	Ridge and Valley	0.1
	Allegheny Plateau	0.4
Black-crn. Night Heron Nycticorax nycticorax	Upper Coastal Plain	0.02
	Northern Piedmont	0.2
Glossy Ibis Plegadis falcinellus	Upper Coastal Plain	0.5
Mute Swan Cygnus olor	Upper Coastal Plain	0.06
Canada Goose Branta canadensis	Upper Coastal Plain	3.0
	Northern Piedmont	4.7
	Ridge and Valley	2.3
	Allegheny Plateau	0.01
Wood Duck Aix sponsa	Upper Coastal Plain	0.5
	Northern Piedmont	0.2
	Ridge and Valley	0.2
	Allegheny Plateau	0.1
American Black Duck Anas rubripes	Upper Coastal Plain	0.2
	Northern Piedmont	0.00
Mallard Anas platyrhynchos	Upper Coastal Plain	4.2
	Northern Piedmont	1.8
	Ridge and Valley	0.7
	Allegheny Plateau	0.8
Blue-winged Teal Anas discors	Upper Coastal Plain	0.00
Black Vulture Coragyps atratus	Upper Coastal Plain	0.5
	Northern Piedmont	1.0
	Ridge and Valley	0.3
Turkey Vulture Cathartes aura	Upper Coastal Plain	9.0
	Northern Piedmont	3.8
	Ridge and Valley	1.1
	Allegheny Plateau	1.4
Osprey Pandion haliaetus	Upper Coastal Plain	0.9
	Northern Piedmont	0.05
Bald Eagle Haliaeetus leucocephalus	Upper Coastal Plain	0.2
	Northern Piedmont	0.02
Northern Harrier Circus cyaneus	Upper Coastal Plain	0.07
	Northern Piedmont	0.01
Sharp-shinned Hawk Accipiter striatus	Northern Piedmont	0.00
	Ridge and Valley	0.01
	Allegheny Plateau	0.1
Cooper's Hawk Accipiter cooperii	Upper Coastal Plain	0.04
	Northern Piedmont	0.06
	Ridge and Valley	0.01
	Allegheny Plateau	0.05
Red-shouldered Hawk Buteo lineatus	Upper Coastal Plain	0.5
	Northern Piedmont	0.3
	Ridge and Valley	0.2
	Allegheny Plateau	0.1
Broad-winged Hawk Buteo platypterus	Upper Coastal Plain	0.02
	Northern Piedmont	0.08
	Ridge and Valley	0.1
	Allegheny Plateau	0.3
Red-tailed Hawk Buteo jamaicensis	Upper Coastal Plain	0.6
	Northern Piedmont	0.4
	Ridge and Valley	0.6
	Allegheny Plateau	0.08
American Kestrel Falco sparverius	Upper Coastal Plain	0.3
	Northern Piedmont	0.7
	Ridge and Valley	0.4
	Allegheny Plateau	0.1
Ring-necked Pheasant Phasianus colchicus	Upper Coastal Plain	0.2
	Northern Piedmont	7.8
	Ridge and Valley	2.4
Ruffed Grouse Bonasa umbellus	Ridge and Valley	0.2
	Allegheny Plateau	0.06
Wild Turkey Meleagris gallopavo	Upper Coastal Plain	0.1
	Northern Piedmont	0.02
	Ridge and Valley	0.7
	Allegheny Plateau	0.1
Northern Bobwhite Colinus virginianus	Upper Coastal Plain	29.2
	Northern Piedmont	3.4
	Ridge and Valley	1.0
	Allegheny Plateau	0.05
Black Rail Laterallus jamaicensis	Upper Coastal Plain	0.00
Clapper Rail Rallus longirostris	Upper Coastal Plain	0.2
King Rail Rallus elegans	Upper Coastal Plain	0.02
Virginia Rail Rallus limicola	Upper Coastal Plain	0.2
Common Moorhen Gallinula chloropus	Upper Coastal Plain	0.03
Killdeer Charadrius vociferus	Upper Coastal Plain	3.9
	Northern Piedmont	2.6
	Ridge and Valley	2.8
	Allegheny Plateau	3.9
Willet Catoptrophorus semipalmatus	Upper Coastal Plain	0.4
Spotted Sandpiper Actitis macularia	Upper Coastal Plain	0.00
	Northern Piedmont	0.00
	Allegheny Plateau	0.02
Upland Sandpiper Bartramia longicauda	Northern Piedmont	0.01
	Ridge and Valley	0.01
American Woodcock Scolopax minor	Upper Coastal Plain	0.04
	Northern Piedmont	0.00
	Allegheny Plateau	0.01
Laughing Gull Larus atricilla	Upper Coastal Plain	15.1
Ring-billed Gull Larus delawarensis	Upper Coastal Plain	0.8
	Northern Piedmont	0.06
	Ridge and Valley	0.05
	Allegheny Plateau	0.01
Herring Gull Larus argentatus	Upper Coastal Plain	0.8
	Northern Piedmont	0.00
Great Black-backed Gull Larus marinus	Upper Coastal Plain	0.07
	Northern Piedmont	0.01
Royal Tern Sterna maxima	Upper Coastal Plain	0.01
Common Tern Sterna hirundo	Upper Coastal Plain	0.01
Forster's Tern Sterna forsteri	Upper Coastal Plain	0.3
Least Tern Sterna antillarum	Upper Coastal Plain	0.1
	Northern Piedmont	0.00
Black Skimmer Rhynchops niger	Upper Coastal Plain	0.01
Rock Dove Columba livia	Upper Coastal Plain	8.4
	Northern Piedmont	15.9
	Ridge and Valley	14.9
	Allegheny Plateau	5.4
Mourning Dove Zenaida macroura	Upper Coastal Plain	29.0
	Northern Piedmont	46.6
	Ridge and Valley	26.0
	Allegheny Plateau	13.1
Monk Parakeet Myiopsitta monachus	Upper Coastal Plain	0.00
Black-billed Cuckoo Coccyzus erythropthalmus	Upper Coastal Plain	0.06
	Northern Piedmont	0.1
	Ridge and Valley	0.6
	Allegheny Plateau	0.6
Yellow-billed Cuckoo Coccyzus americanus	Upper Coastal Plain	6.0
	Northern Piedmont	1.9
	Ridge and Valley	5.9
	Allegheny Plateau	0.8
Common Barn Owl Tyto alba	Upper Coastal Plain	0.00
Eastern Screech-owl Otus asio	Upper Coastal Plain	0.02
	Northern Piedmont	0.05
	Allegheny Plateau	0.03
Great Horned Owl Bubo virginianus	Upper Coastal Plain	0.4
	Northern Piedmont	0.2
	Ridge and Valley	0.03
Barred Owl Strix varia	Upper Coastal Plain	0.2
	Northern Piedmont	0.06
	Ridge and Valley	0.07
	Allegheny Plateau	0.08
Common Nighthawk Chordeiles minor	Upper Coastal Plain	0.00
	Ridge and Valley	0.1
Chuck-will's-widow Caprimulgus carolinensis	Upper Coastal Plain	0.8
	Northern Piedmont	0.00
Whip-poor-will Caprimulgus vociferus	Upper Coastal Plain	0.4
	Northern Piedmont	0.2
	Ridge and Valley	1.2
Chimney Swift Chaetura pelagica	Upper Coastal Plain	11.4
	Northern Piedmont	13.0
	Ridge and Valley	11.1
	Allegheny Plateau	2.2
Ruby-thr. Hummingbird Archilochus colubris	Upper Coastal Plain	0.7
	Northern Piedmont	0.2
	Ridge and Valley	1.0
	Allegheny Plateau	0.7
Belted Kingfisher Ceryle alcyon	Upper Coastal Plain	0.1
	Northern Piedmont	0.4
	Ridge and Valley	0.2
	Allegheny Plateau	0.1
Red-headed Woodpecker Melanerpes erythrocephalus	Upper Coastal Plain	0.2
	Northern Piedmont	0.5
	Ridge and Valley	0.2
	Allegheny Plateau	0.2
Red-bellied Woodpecker Melanerpes carolinus	Upper Coastal Plain	10.9
	Northern Piedmont	11.0
	Ridge and Valley	10.6
	Allegheny Plateau	0.5
Downy Woodpecker Picoides pubescens	Upper Coastal Plain	4.0
	Northern Piedmont	3.9
	Ridge and Valley	3.9
	Allegheny Plateau	2.0
Hairy Woodpecker Picoides villosus	Upper Coastal Plain	0.8
	Northern Piedmont	0.5
	Ridge and Valley	1.5
	Allegheny Plateau	1.7
Yellow-shafted Flicker Colaptes auratus	Upper Coastal Plain	3.5
	Northern Piedmont	6.6
	Ridge and Valley	5.8
	Allegheny Plateau	2.9
Pileated Woodpecker Dryocopus pileatus	Upper Coastal Plain	1.5
	Northern Piedmont	0.5
	Ridge and Valley	8.1
	Allegheny Plateau	1.6
Olive-sided Flycatcher Contopus borealis	Allegheny Plateau	0.01
Eastern Wood-pewee Contopus virens	Upper Coastal Plain	7.8
	Northern Piedmont	8.3
	Ridge and Valley	11.8
	Allegheny Plateau	8.2
Acadian Flycatcher Empidonax virescens	Upper Coastal Plain	6.2
	Northern Piedmont	3.7
	Ridge and Valley	4.4
	Allegheny Plateau	3.5
Alder Flycatcher Empidonax alnorium	Allegheny Plateau	0.3
Willow Flycatcher Empidonax traillii	Upper Coastal Plain	0.08
	Northern Piedmont	2.0
	Ridge and Valley	0.6
	Allegheny Plateau	1.5
Least Flycatcher Empidonax minimus	Northern Piedmont	0.00
	Allegheny Plateau	2.0
Eastern Phoebe Sayornis phoebe	Upper Coastal Plain	1.1
	Northern Piedmont	2.6
	Ridge and Valley	5.5
	Allegheny Plateau	4.4
Grt. Crested Flycatcher Myiarchus crinitus	Upper Coastal Plain	4.8
	Northern Piedmont	2.7
	Ridge and Valley	8.4
	Allegheny Plateau	1.9
Eastern Kingbird Tyrannus tyrannus	Upper Coastal Plain	4.0
	Northern Piedmont	4.7
	Ridge and Valley	1.7
	Allegheny Plateau	0.3
Horned Lark Eremophila alpestris	Upper Coastal Plain	4.4
	Northern Piedmont	0.3
	Ridge and Valley	0.5
	Allegheny Plateau	0.3
Purple Martin Progne subis	Upper Coastal Plain	12.3
	Northern Piedmont	2.4
	Ridge and Valley	0.9
	Allegheny Plateau	0.8
Tree Swallow Tachycineta bicolor	Upper Coastal Plain	0.7
	Northern Piedmont	0.5
	Ridge and Valley	0.4
	Allegheny Plateau	2.5
N. Rough-winged Swallow Stelgidopteryx serripennis	Upper Coastal Plain	0.4
	Northern Piedmont	0.6
	Ridge and Valley	1.0
	Allegheny Plateau	0.1
Bank Swallow Riparia riparia	Upper Coastal Plain	0.8
	Northern Piedmont	0.04
	Ridge and Valley	0.1
Cliff Swallow Hirundo pyrrhonota	Upper Coastal Plain	0.00
	Northern Piedmont	0.05
	Ridge and Valley	0.05
	Allegheny Plateau	1.1
Barn Swallow Hirundo rustica	Upper Coastal Plain	17.6
	Northern Piedmont	20.6
	Ridge and Valley	12.4
	Allegheny Plateau	16.3
Blue Jay Cyanocitta cristata	Upper Coastal Plain	9.6
	Northern Piedmont	12.0
	Ridge and Valley	10.7
	Allegheny Plateau	5.9
American Crow Corvus brachyrhynchos	Upper Coastal Plain	43.5
	Northern Piedmont	49.5
	Ridge and Valley	43.9
	Allegheny Plateau	44.5
Fish Crow Corvus ossifragus	Upper Coastal Plain	5.3
	Northern Piedmont	3.7
	Ridge and Valley	3.2
Common Raven Corvus corax	Ridge and Valley	1.5
	Allegheny Plateau	0.3
Black-capped Chickadee Parus atricapillus	Northern Piedmont	0.02
	Ridge and Valley	6.6
	Allegheny Plateau	9.2
Carolina Chickadee Parus carolinensis	Upper Coastal Plain	8.5
	Northern Piedmont	6.8
	Ridge and Valley	0.6
Tufted Titmouse Parus bicolor	Upper Coastal Plain	17.6
	Northern Piedmont	13.3
	Ridge and Valley	18.7
	Allegheny Plateau	6.4
White-breasted Nuthatch Sitta carolinensis	Upper Coastal Plain	0.3
	Northern Piedmont	1.5
	Ridge and Valley	4.0
	Allegheny Plateau	4.1
Brown-headed Nuthatch Sitta pusilla	Upper Coastal Plain	0.2
Brown Creeper Certhia americana	Upper Coastal Plain	0.00
	Ridge and Valley	0.05
	Allegheny Plateau	0.2
Carolina Wren Thryothorus ludovicianus	Upper Coastal Plain	16.5
	Northern Piedmont	7.9
	Ridge and Valley	4.8
	Allegheny Plateau	0.5
House Wren Troglodytes aedon	Upper Coastal Plain	2.8
	Northern Piedmont	16.9
	Ridge and Valley	10.8
	Allegheny Plateau	9.3
Winter Wren Troglodytes troglodytes	Allegheny Plateau	0.04
Marsh Wren Cistothorus palustris	Upper Coastal Plain	0.3
Golden-crowned Kinglet Regulus satrapa	Allegheny Plateau	0.2
Blue-gray Gnatcatcher Polioptila caerulea	Upper Coastal Plain	2.7
	Northern Piedmont	2.6
	Ridge and Valley	6.0
	Allegheny Plateau	1.4
Eastern Bluebird Sialia sialis	Upper Coastal Plain	4.5
	Northern Piedmont	3.0
	Ridge and Valley	3.2
	Allegheny Plateau	1.9
Veery Catharus fuscescens	Northern Piedmont	0.7
	Allegheny Plateau	7.1
Hermit Thrush Catharus guttatus	Northern Piedmont	0.00
	Allegheny Plateau	1.4
Wood Thrush Hylocichla mustelina	Upper Coastal Plain	18.5
	Northern Piedmont	16.8
	Ridge and Valley	21.0
	Allegheny Plateau	10.8
American Robin Turdus migratorius	Upper Coastal Plain	47.9
	Northern Piedmont	73.3
	Ridge and Valley	46.2
	Allegheny Plateau	49.7
Gray Catbird Dumetella carolinensis	Upper Coastal Plain	7.0
	Northern Piedmont	27.5
	Ridge and Valley	14.9
	Allegheny Plateau	14.6
Northern Mockingbird Mimus polyglottos	Upper Coastal Plain	29.1
	Northern Piedmont	33.9
	Ridge and Valley	15.8
	Allegheny Plateau	0.02
Brown Thrasher Toxostoma rufum	Upper Coastal Plain	2.5
	Northern Piedmont	2.5
	Ridge and Valley	3.2
	Allegheny Plateau	1.7
Cedar Waxwing Bombycilla cedrorum	Upper Coastal Plain	1.8
	Northern Piedmont	2.3
	Ridge and Valley	5.5
	Allegheny Plateau	10.2
Loggerhead Shrike Lanius ludovicianus	Northern Piedmont	0.01
European Starling Sturnus vulgaris	Upper Coastal Plain	85.2
	Northern Piedmont	104.1
	Ridge and Valley	70.6
	Allegheny Plateau	27.2
White-eyed Vireo Vireo griseus	Upper Coastal Plain	5.9
	Northern Piedmont	2.0
	Ridge and Valley	0.6
	Allegheny Plateau	0.1
Solitary Vireo Vireo solitarius	Ridge and Valley	0.4
	Allegheny Plateau	1.1
Yellow-throated Vireo Vireo flavifrons	Upper Coastal Plain	0.8
	Northern Piedmont	0.8
	Ridge and Valley	3.0
	Allegheny Plateau	0.5
Warbling Vireo Vireo gilvus	Upper Coastal Plain	0.1
	Northern Piedmont	0.6
	Ridge and Valley	0.4
Red-eyed Vireo Vireo olivaceus	Upper Coastal Plain	21.3
	Northern Piedmont	10.9
	Ridge and Valley	35.6
	Allegheny Plateau	63.8
Brewster's Warbler	Northern Piedmont	0.00
Blue-winged Warbler Vermivora pinus	Upper Coastal Plain	0.01
	Northern Piedmont	0.2
	Ridge and Valley	0.1
	Allegheny Plateau	0.07
Golden-winged Warbler Vermivora chrysoptera	Ridge and Valley	0.2
	Allegheny Plateau	0.2
Nashville Warbler Vermivora ruficapilla	Allegheny Plateau	0.03
Northern Parula Parula americana	Upper Coastal Plain	2.7
	Northern Piedmont	0.6
	Ridge and Valley	0.5
	Allegheny Plateau	1.8
Yellow Warbler Dendroica petechia	Upper Coastal Plain	0.8
	Northern Piedmont	3.0
	Ridge and Valley	4.4
	Allegheny Plateau	4.7
Chestnut-sided Warbler Dendroica pensylvanica	Ridge and Valley	0.1
	Allegheny Plateau	6.1
Magnolia Warbler Dendroica magnolia	Allegheny Plateau	0.9
Black-thr. Blue Warbler Dendroica caerulescens	Allegheny Plateau	1.2
Black-th. Green Warbler Dendroica virens	Allegheny Plateau	1.2
Blackburnian Warbler Dendroica fusca	Allegheny Plateau	0.2
Yellow-throated Warbler Dendroica dominica	Upper Coastal Plain	0.2
	Northern Piedmont	0.03
	Ridge and Valley	0.01
Pine Warbler Dendroica pinus	Upper Coastal Plain	6.4
	Northern Piedmont	0.2
	Ridge and Valley	7.9
Prairie Warbler Dendroica discolor	Upper Coastal Plain	2.7
	Northern Piedmont	0.9
	Ridge and Valley	2.5
	Allegheny Plateau	0.09
Cerulean Warbler Dendroica cerulea	Upper Coastal Plain	0.01
	Northern Piedmont	0.2
	Ridge and Valley	0.8
	Allegheny Plateau	0.5
Black-&-white Warbler Mniotilta varia	Upper Coastal Plain	0.8
	Northern Piedmont	0.3
	Ridge and Valley	0.5
	Allegheny Plateau	1.1
American Redstart Setophaga ruticilla	Upper Coastal Plain	0.3
	Northern Piedmont	0.6
	Ridge and Valley	3.7
	Allegheny Plateau	2.9
Prothonotary Warbler Protonotaria citrea	Upper Coastal Plain	1.0
	Northern Piedmont	0.02
Worm-eating Warbler Helmitheros vermivorus	Upper Coastal Plain	0.5
	Northern Piedmont	0.2
	Ridge and Valley	4.7
	Allegheny Plateau	0.2
Swainson's Warbler Limnothlypis swainsonii	Upper Coastal Plain	0.00
Ovenbird Seiurus aurocapillus	Upper Coastal Plain	7.1
	Northern Piedmont	3.2
	Ridge and Valley	10.4
	Allegheny Plateau	13.9
Northern Waterthrush Seiurus noveboracensis	Allegheny Plateau	0.03
Louisiana Waterthrush Seiurus motacilla	Upper Coastal Plain	0.4
	Northern Piedmont	0.6
	Ridge and Valley	0.4
	Allegheny Plateau	0.6
Kentucky Warbler Oporornis formosus	Upper Coastal Plain	1.6
	Northern Piedmont	1.0
	Ridge and Valley	0.9
	Allegheny Plateau	1.3
Mourning Warbler Oporornis philadelphia	Allegheny Plateau	0.01
Common Yellowthroat Geothlypis trichas	Upper Coastal Plain	13.1
	Northern Piedmont	7.4
	Ridge and Valley	5.2
	Allegheny Plateau	22.6
Hooded Warbler Wilsonia citrina	Upper Coastal Plain	1.5
	Northern Piedmont	0.3
	Ridge and Valley	3.0
	Allegheny Plateau	2.6
Canada Warbler Wilsonia canadensis	Allegheny Plateau	0.7
Yellow-breasted Chat Icteria virens	Upper Coastal Plain	4.8
	Northern Piedmont	1.1
	Ridge and Valley	5.1
	Allegheny Plateau	0.4
Summer Tanager Piranga rubra	Upper Coastal Plain	1.3
	Northern Piedmont	0.01
	Ridge and Valley	0.03
Scarlet Tanager Piranga olivacea	Upper Coastal Plain	4.2
	Northern Piedmont	3.3
	Ridge and Valley	22.4
	Allegheny Plateau	14.6
Northern Cardinal Cardinalis cardinalis	Upper Coastal Plain	29.8
	Northern Piedmont	31.9
	Ridge and Valley	24.7
	Allegheny Plateau	6.5
Rose-breasted Grosbeak Pheucticus ludovicianus	Northern Piedmont	0.02
	Ridge and Valley	0.8
	Allegheny Plateau	3.9
Blue Grosbeak Guiraca caerulea	Upper Coastal Plain	11.5
	Northern Piedmont	0.9
	Ridge and Valley	0.05
	Allegheny Plateau	0.01
Indigo Bunting Passerina cyanea	Upper Coastal Plain	30.6
	Northern Piedmont	22.2
	Ridge and Valley	37.3
	Allegheny Plateau	31.3
Dickcissel Spiza americana	Upper Coastal Plain	0.02
	Northern Piedmont	0.02
	Ridge and Valley	0.01
Eastern Towhee Pipilo erythrophthalmus	Upper Coastal Plain	6.8
	Northern Piedmont	5.7
	Ridge and Valley	23.6
	Allegheny Plateau	18.8
Chipping Sparrow Spizella passerina	Upper Coastal Plain	21.4
	Northern Piedmont	18.2
	Ridge and Valley	27.5
	Allegheny Plateau	30.6
Field Sparrow Spizella pusilla	Upper Coastal Plain	8.7
	Northern Piedmont	8.4
	Ridge and Valley	12.8
	Allegheny Plateau	9.1
Vesper Sparrow Pooecetes gramineus	Upper Coastal Plain	0.3
	Northern Piedmont	1.1
	Ridge and Valley	1.8
	Allegheny Plateau	1.1
Savannah Sparrow Passerculus sandwichensis	Upper Coastal Plain	0.00
	Northern Piedmont	0.09
	Ridge and Valley	0.3
	Allegheny Plateau	5.3
Grasshopper Sparrow Ammodramus savannarum	Upper Coastal Plain	3.6
	Northern Piedmont	3.8
	Ridge and Valley	3.1
	Allegheny Plateau	1.7
Henslow's Sparrow Ammodramus henslowii	Allegheny Plateau	0.03
Saltm. Shrp-tl. Sparrow Ammodramus caudacutus	Upper Coastal Plain	0.00
Seaside Sparrow Ammodramus maritimus	Upper Coastal Plain	0.7
Song Sparrow Melospiza melodia	Upper Coastal Plain	9.7
	Northern Piedmont	25.3
	Ridge and Valley	17.5
	Allegheny Plateau	28.7
Swamp Sparrow Melospiza georgiana	Upper Coastal Plain	0.02
	Northern Piedmont	0.01
	Allegheny Plateau	1.3
Slate-colored Junco Junco hyemalis	Allegheny Plateau	0.07
Bobolink Dolichonyx oryzivorus	Upper Coastal Plain	0.03
	Northern Piedmont	0.06
	Allegheny Plateau	6.1
Red-winged Blackbird Agelaius phoeniceus	Upper Coastal Plain	49.7
	Northern Piedmont	41.7
	Ridge and Valley	17.5
	Allegheny Plateau	39.8
Eastern Meadowlark Sturnella magna	Upper Coastal Plain	5.6
	Northern Piedmont	9.1
	Ridge and Valley	6.2
	Allegheny Plateau	8.7
Boat-tailed Grackle Quiscalus major	Upper Coastal Plain	0.2
Common Grackle Quiscalus quiscula	Upper Coastal Plain	142.6
	Northern Piedmont	86.8
	Ridge and Valley	83.2
	Allegheny Plateau	19.3
Brown-headed Cowbird Molothrus ater	Upper Coastal Plain	10.8
	Northern Piedmont	9.5
	Ridge and Valley	9.7
	Allegheny Plateau	5.8
Orchard Oriole Icterus spurius	Upper Coastal Plain	7.8
	Northern Piedmont	1.9
	Ridge and Valley	1.7
	Allegheny Plateau	0.2
Baltimore Oriole Icterus galbula	Upper Coastal Plain	1.0
	Northern Piedmont	3.9
	Ridge and Valley	3.2
	Allegheny Plateau	2.6
Purple Finch Carpodacus purpureus	Ridge and Valley	0.01
	Allegheny Plateau	0.4
House Finch Carpodacus mexicanus	Upper Coastal Plain	12.2
	Northern Piedmont	28.5
	Ridge and Valley	14.6
	Allegheny Plateau	4.5
American Goldfinch Carduelis tristis	Upper Coastal Plain	5.7
	Northern Piedmont	10.8
	Ridge and Valley	11.1
	Allegheny Plateau	9.1
House Sparrow Passer domesticus	Upper Coastal Plain	43.3
	Northern Piedmont	72.4
	Ridge and Valley	48.8
	Allegheny Plateau	12.8