The YMOS team has surpassed 150 species found several times.

The checklist for this year’s WSOB competition is found here. Below are listed the species found over the last 5 competitions:

YMOS Cumulative Species List (2006 – 2010) – 217 species

Swan, Mute
Goose, Canada
Goose, Snow
Duck, American Black
Duck, Long-tailed
Duck, Ruddy
Duck, Wood
Merganser, Red-breasted
Merganser, Hooded
Scaup, Lesser
Scoter, Black
Scoter, Surf
Scoter, White-winged
Shoveler, Northern
Teal, Blue-winged
Teal, Green-winged
Eider, Common
Bobwhite, Northern
Pheasant, Ring-necked
Turkey, Wild
Loon, Common
Loon, Red-throated
Gannet, Northern
Jaeger, Parasitic
Cormorant, Double-crested
Egret, Cattle
Egret, Great
Egret, Snowy
Heron, Black-crowned Night
Heron, Great Blue
Heron, Green
Heron, Little Blue
Heron, Tri-colored
Heron, Yellow-crowned
Bittern, Least
Ibis, Glossy
Blackbird, Red-winged
Blue Jay
Crow, American
Crow, Fish
Vulture, Black
Vulture, Turkey
Kite, Mississippi
Kite, Swallow-tailed
Eagle, Bald
Harrier, Northern
Hawk, Broad-winged
Hawk, Cooper’s
Hawk, Red-shouldered
Hawk, Red-tailed
Hawk, Sharp-shinned
Kestrel, American
Falcon, Peregrine
Rail, Clapper
Rail, King
Rail, Sora
Rail, Virgina
Plover, Black-bellied
Plover, Piping
Plover, Semipalmated
Coot, American
Oystercatcher, American
Sandpiper, Least
Sandpiper, Pectoral
Sandpiper, Purple
Sandpiper, Semipalmated
Sandpiper, Solitary
Sandpiper, Spotted
Sandpiper, Stilt
Sandpiper, Upland
Sandpiper, White-rumped
Yellowlegs, Greater
Yellowlegs, Lesser
Godwit, Marbled
Turnstone, Ruddy
Knot, Red
Dowitcher, Short-billed
Gull, Great Black-Back
Gull, Herring
Gull, Laughing
Gull, Lesser Black-Back
Gull, Ring-billed
Tern, Common
Tern, Forster’s
Tern, Gull-billed
Tern, Least
Tern, Royal
Skimmer, Black
Snipe, Wilson’s
Woodcock, American
Phalarope , Wilson’s
Dove, Mourning
Pigeon, Rock
Cuckoo, Black-billed
Cuckoo, Yellow-billed
Owl, Barred
Owl, Eastern-Screech
Owl, Great Horned
Nighthawk, Common
Swift, Chimney
Hummingbird, Ruby-throated
Kingfisher, Belted
Woodpecker, Downy
Woodpecker, Hairy
Woodpecker, Red-bellied
Woodpecker, Red-headed
Flicker, Northern
Flycatcher, Acadian
Flycatcher, Great Crested
Flycatcher, Willow
Flycatcher, Scissor-tailed
Pewee, Eastern Wood
Phoebe, Eastern
Kingbird, Eastern
Lark, Horned
Swallow, Bank
Swallow, Barn
Swallow, Cliff
Swallow, Northern Rough-winged
Swallow, Tree
Martin, Purple
Chickadee, Carolina
Titmouse, Tufted
Nuthatch, White-breasted
Wren, Carolina
Wren, House
Wren, Marsh
Wren, Sedge
Gnatcatcher, Blue-Gray
Bluebird, Eastern
Thrush, Bicknell’s
Thrush, Gray-cheeked
Thrush, Hermit
Thrush, Swainson’s
Thrush, Wood
Robin, American
Mockingbird, Northern
Catbird, Gray
Thrasher, Brown
Waxwing, Cedar
Starling, European
Vireo, Blue-headed
Vireo, Red-eyed
Vireo, Warbling
Vireo, White-eyed
Vireo, Yellow-throated
Warbler, Bay-breasted
Warbler, Black and White
Warbler, Blackburnian
Warbler, Blackpoll
Warbler, Black-throated Blue
Warbler, Black-throated Green
Warbler, Blue-winged
Warbler, Cerulean
Warbler, Chestnut-sided
Warbler, Hooded
Warbler, Kentucky
Warbler, Magnolia
Warbler, Nashville
Warbler, Palm
Warbler, Pine
Warbler, Prairie
Warbler, Prothonotary
Warbler, Wilson’s
Warbler, Worm-eating
Warbler, Yellow
Warbler, Yellow-rumped
Warbler, Yellow-throated
Parula, Northern
Redstart, American
Yellowthroat, Common
Chat, Yellow-breasted
Waterthrush, Lousiana
Waterthrush, Northern
Tanager, Scarlet
Tanager, Summer
Sparrow, Chipping
Sparrow, Field
Sparrow, Grasshopper
Sparrow, Nelson’s S-Tailed
Sparrow, Saltmarsh S-Tailed
Sparrow, Savannah
Sparrow, Seaside
Sparrow, Song
Sparrow, Swamp
Sparrow, White-crowned
Sparrow, White-throated
Towhee, Eastern
Cardinal, Northern
Grosbeak, Blue
Grosbeak, Rose-breasted
Bunting, Indigo
Meadowlark, Eastern
Grackle, Boat-tailed
Grackle, Common
Cowbird, Brown-headed
Oriole, Baltimore
Oriole, Orchard
Finch, House
Goldfinch, American
Sparrow, House