| Species |
2010-11 |
2009-10 |
2008-09 |
2007-08 |
2006-07 |
2005-06 |
Earlier |
Cumulative |
| Number of Species |
109 |
111 |
106 |
110 |
120 |
111 |
34 |
188 |
| Greater White-fronted Goose |
X |
|
|
|
X |
X |
|
3 |
| Snow Goose |
X |
X |
X |
X |
X |
X |
|
6 |
| Ross's Goose |
X |
|
|
|
|
|
|
1 |
| Brant |
|
|
|
|
|
|
X |
0 |
| Cackling Goose |
X |
X |
X |
|
X |
X |
|
5 |
| Canada Goose |
X |
X |
X |
X |
X |
X |
|
6 |
| Tundra Swan |
|
|
|
|
X |
X |
|
2 |
| Mute Swan |
|
|
|
|
|
|
X |
0 |
| Wood Duck |
X |
X |
X |
X |
X |
X |
|
6 |
| Gadwall |
|
X |
|
|
|
|
|
1 |
| American Wigeon |
X |
X |
|
|
|
|
|
2 |
| American Black Duck |
X |
X |
X |
X |
X |
X |
|
6 |
| Mallard |
X |
X |
X |
X |
X |
X |
|
6 |
| Blue-winged Teal |
|
|
|
|
|
|
X |
0 |
| Northern Shoveler |
X |
X |
|
|
X |
X |
|
4 |
| Northern Pintail |
X |
X |
X |
|
X |
|
|
4 |
| Green-winged Teal |
X |
X |
|
X |
X |
X |
|
5 |
| Canvasback |
X |
|
|
|
X |
|
|
2 |
| Redhead |
|
|
|
X |
|
|
|
1 |
| Ring-necked Duck |
X |
X |
X |
X |
X |
X |
|
6 |
| Greater Scaup |
X |
X |
X |
X |
X |
X |
|
6 |
| Lesser Scaup |
X |
X |
X |
X |
X |
X |
|
6 |
| King Eider |
|
|
|
|
|
|
X |
0 |
| Harlequin Duck |
|
|
|
X |
X |
|
|
2 |
| Surf Scoter |
|
X |
|
X |
|
X |
|
3 |
| White-winged Scoter |
|
X |
X |
X |
X |
X |
|
5 |
| Black Scoter |
|
X |
X |
X |
X |
X |
|
5 |
| Long-tailed Duck |
X |
X |
X |
X |
X |
X |
|
6 |
| Bufflehead |
X |
X |
X |
X |
X |
X |
|
6 |
| Common Goldeneye |
X |
X |
X |
X |
X |
X |
|
6 |
| Barrow's Goldeneye |
X |
X |
X |
X |
X |
X |
|
6 |
| Hooded Merganser |
X |
X |
X |
X |
X |
X |
|
6 |
| Common Merganser |
X |
X |
X |
X |
X |
X |
|
6 |
| Red-breasted Merganser |
X |
X |
X |
X |
X |
X |
|
6 |
| Ruddy Duck |
|
|
|
|
X |
|
|
1 |
| Gray Partridge |
X |
X |
X |
X |
X |
X |
|
6 |
| Ruffed Grouse |
X |
X |
X |
X |
X |
X |
|
6 |
| Wild
Turkey |
X |
X |
X |
X |
X |
X |
|
6 |
| Red-throated Loon |
|
X |
|
X |
X |
|
|
3 |
| Common Loon |
X |
X |
X |
X |
X |
X |
|
6 |
| Northern Fulmar |
|
|
|
|
|
|
X |
0 |
| Northern Gannet |
|
|
|
|
|
|
X |
0 |
| Pied-billed Grebe |
|
|
X |
|
|
|
|
1 |
| Horned Grebe |
|
|
|
|
X |
|
|
1 |
| Red-necked Grebe |
X |
|
X |
X |
X |
X |
|
5 |
| Double-crested Cormorant |
|
X |
|
X |
X |
|
|
3 |
| Great Blue Heron |
X |
X |
X |
X |
X |
X |
|
6 |
| Cattle Egret |
|
|
|
|
|
|
X |
0 |
| Turkey Vulture |
|
|
|
X |
|
|
|
1 |
| Bald Eagle |
X |
X |
X |
X |
X |
X |
|
6 |
| Northern Harrier |
X |
X |
X |
X |
X |
X |
|
6 |
| Sharp-shinned Hawk |
X |
X |
X |
X |
X |
X |
|
6 |
| Cooper's Hawk |
X |
X |
X |
X |
X |
X |
|
6 |
| Northern Goshawk |
X |
X |
X |
X |
X |
X |
|
6 |
| Red-Shouldered Hawk |
X |
X |
X |
X |
X |
|
|
5 |
| Broad-winged Hawk |
X |
|
|
|
|
|
|
1 |
| Red-tailed Hawk |
X |
X |
X |
X |
X |
X |
|
6 |
| Rough-legged Hawk |
X |
X |
X |
X |
X |
X |
|
6 |
| Golden Eagle |
X |
X |
X |
X |
X |
X |
|
6 |
| American Kestrel |
X |
X |
|
X |
X |
X |
|
5 |
| Merlin |
X |
X |
X |
X |
X |
X |
|
6 |
| Gyrfalcon |
|
X |
X |
X |
|
X |
|
4 |
| Peregrine Falcon |
X |
X |
X |
X |
X |
X |
|
6 |
| Purple Gallinule |
|
|
|
|
|
|
X |
0 |
| Common Moorhen |
|
|
|
|
|
X |
|
1 |
| American Coot |
|
X |
|
|
X |
|
|
2 |
| Sandhill Crane |
X |
X |
|
|
|
|
|
2 |
| Wilson's Snipe |
|
X |
|
|
X |
|
|
2 |
| Greater Yellowlegs |
|
|
|
|
|
|
X |
0 |
| Purple Sandpiper |
|
|
|
|
|
|
X |
0 |
| Killdeer |
|
|
|
|
|
|
X |
0 |
| Black-headed Gull |
|
|
|
|
|
|
X |
0 |
| Bonaparte's Gull |
|
X |
|
|
X |
|
|
2 |
| Ring-billed Gull |
X |
X |
X |
X |
X |
X |
|
6 |
| Herring Gull |
X |
X |
X |
X |
X |
X |
|
6 |
| Iceland Gull |
X |
X |
X |
X |
X |
X |
|
6 |
| Thayer's Gull |
|
X |
X |
X |
X |
|
|
4 |
| Lesser Black-backed Gull |
X |
X |
X |
X |
X |
X |
|
6 |
| Glaucous Gull |
X |
X |
X |
X |
X |
X |
|
6 |
| Great Black-backed Gull |
X |
X |
X |
X |
X |
X |
|
6 |
| Black-legged Kittiwake |
|
|
|
|
|
|
X |
0 |
| Thick-billed Murre |
|
|
|
|
|
|
X |
0 |
| Rock Pigeon |
X |
X |
X |
X |
X |
X |
|
6 |
| Mourning Dove |
X |
X |
X |
X |
X |
X |
|
6 |
| Barn Owl |
|
|
|
|
|
|
X |
0 |
| Eastern Screech-Owl |
X |
X |
X |
X |
X |
X |
|
6 |
| Great Horned Owl |
X |
X |
X |
X |
X |
X |
|
6 |
| Snowy Owl |
|
X |
X |
X |
X |
X |
|
5 |
| Northern Hawk-Owl |
X |
|
X |
|
X |
X |
|
4 |
| Barred Owl |
X |
X |
X |
X |
X |
X |
|
6 |
| Great Gray Owl |
|
X |
X |
|
X |
X |
|
4 |
| Long-eared Owl |
|
|
X |
|
|
|
|
1 |
| Short-eared Owl |
|
X |
X |
X |
X |
|
|
4 |
| Boreal Owl |
|
|
X |
|
|
|
|
1 |
| Northern Saw-whet Owl |
X |
X |
X |
X |
X |
|
|
5 |
| Belted Kingfisher |
X |
X |
X |
X |
X |
X |
|
6 |
| Red-headed Woodpecker |
|
|
|
|
|
X |
|
1 |
| Red-bellied Woodpecker |
X |
|
X |
X |
X |
|
|
4 |
| Yellow-bellied Sapsucker |
|
|
X |
X |
|
|
|
2 |
| Downy Woodpecker |
X |
X |
X |
X |
X |
X |
|
6 |
| Hairy Woodpecker |
X |
X |
X |
X |
X |
X |
|
6 |
| American Three-toed Woodpecker |
|
|
|
X |
X |
|
|
2 |
| Black-backed Woodpecker |
X |
X |
|
X |
X |
|
|
4 |
| Northern Flicker |
|
X |
X |
X |
X |
X |
|
5 |
| Pileated Woodpecker |
X |
X |
X |
X |
X |
X |
|
6 |
| Eastern Phoebe |
|
|
|
|
|
|
X |
0 |
| Blue-headed Vireo |
|
X |
|
|
|
|
|
1 |
| Northern Shrike |
X |
X |
X |
X |
X |
X |
|
6 |
| Loggerhead Shrike |
|
|
|
|
|
|
X |
0 |
| Gray Jay |
X |
|
|
|
|
|
|
1 |
| Blue Jay |
X |
X |
X |
X |
X |
X |
|
6 |
| American Crow |
X |
X |
X |
X |
X |
X |
|
6 |
| Common Raven |
X |
X |
X |
X |
X |
X |
|
6 |
| Horned Lark |
X |
X |
X |
X |
X |
X |
|
6 |
| Barn Swallow |
|
|
|
|
|
|
X |
0 |
| Black-capped Chickadee |
X |
X |
X |
X |
X |
X |
|
6 |
| Boreal Chickadee |
|
|
|
|
|
X |
|
1 |
| Tufted Titmouse |
|
|
X |
X |
|
|
|
2 |
| Red-breasted Nuthatch |
X |
X |
X |
X |
X |
X |
|
6 |
| White-breasted Nuthatch |
X |
X |
X |
X |
X |
X |
|
6 |
| Brown Creeper |
X |
X |
X |
X |
X |
X |
|
6 |
| Carolina Wren |
X |
X |
X |
X |
X |
X |
|
6 |
| Winter Wren |
X |
|
|
X |
X |
X |
|
4 |
| Marsh Wren |
|
|
|
|
|
|
X |
0 |
| Ruby-crowned Kinglet |
|
X |
|
|
|
|
|
1 |
| Golden-crowned Kinglet |
X |
X |
X |
X |
X |
X |
|
6 |
| Eastern Bluebird |
X |
|
|
|
|
|
|
1 |
| Townsend's Solitaire |
|
|
|
X |
|
X |
|
2 |
| Swainson's Thrush |
|
|
|
|
|
|
X |
0 |
| Hermit Thrush |
X |
X |
X |
X |
|
X |
|
5 |
| Fieldfare |
|
|
|
|
|
|
X |
0 |
| American Robin |
X |
X |
X |
X |
X |
X |
|
6 |
| Varied Thrush |
|
X |
X |
|
|
|
|
2 |
| Gray Catbird |
|
|
|
X |
X |
|
|
2 |
| Northern Mockingbird |
|
|
X |
X |
X |
X |
|
4 |
| Brown Thrasher |
X |
X |
|
|
X |
|
|
3 |
| European Starling |
X |
X |
X |
X |
X |
X |
|
6 |
| American Pipit |
X |
|
|
|
|
|
|
1 |
| Bohemian Waxwing |
X |
X |
X |
X |
X |
X |
|
6 |
| Cedar Waxwing |
X |
X |
X |
X |
X |
X |
|
6 |
| Tennessee Warbler |
|
|
|
|
|
|
X |
0 |
| Nashville Warbler |
|
|
|
|
|
|
X |
0 |
| Northern Parula |
|
|
|
|
|
|
X |
0 |
| Yellow-rumped Warbler |
X |
X |
X |
X |
|
X |
|
5 |
| Black-throated Green Warbler |
|
|
|
|
X |
|
|
1 |
| Yellow-throated Warbler |
|
|
|
|
|
|
X |
0 |
| Pine Warbler |
X |
|
|
|
|
|
|
1 |
| Black-and-White Warbler |
|
|
|
|
|
|
X |
0 |
| Ovenbird |
|
|
|
|
X |
|
|
1 |
| Common Yellowtroat |
|
X |
|
|
|
|
|
1 |
| Eastern Towhee |
|
|
X |
|
|
X |
|
2 |
| Spotted Towhee |
|
|
|
|
|
|
X |
0 |
| American Tree Sparrow |
X |
X |
X |
X |
X |
X |
|
6 |
| Chipping Sparrow |
|
|
|
|
X |
X |
|
2 |
| Clay-colored Sparrow |
|
|
|
|
|
|
X |
0 |
| Field Sparrow |
|
|
|
|
|
|
X |
0 |
| Vesper Sparrow |
|
|
|
|
|
|
X |
0 |
| Savannah Sparrow |
|
|
|
|
|
|
X |
0 |
| Grasshopper Sparrow |
|
|
|
|
|
|
X |
0 |
| Fox Sparrow |
|
|
|
|
|
X |
|
1 |
| Song Sparrow |
X |
X |
X |
X |
X |
X |
|
6 |
| Swamp Sparrow |
X |
X |
|
|
X |
X |
|
4 |
| White-throated Sparrow |
X |
X |
X |
X |
X |
X |
|
6 |
| White-crowned Sparrow |
X |
|
X |
X |
X |
|
|
4 |
| Harris' Sparrow |
|
|
|
|
|
|
X |
0 |
| Dark-eyed Junco |
X |
X |
X |
X |
X |
X |
|
6 |
| Lapland Longspur |
X |
X |
X |
X |
X |
X |
|
6 |
| Snow Bunting |
X |
X |
X |
X |
X |
X |
|
6 |
| Northern Cardinal |
X |
X |
X |
X |
X |
X |
|
6 |
| Rose-breasted Grosbeak |
|
|
|
|
|
X |
|
1 |
| Bobolink |
|
|
|
|
|
|
X |
0 |
| Red-winged Blackbird |
|
X |
X |
X |
X |
X |
|
5 |
| Eastern Meadowlark |
|
|
|
|
X |
|
|
1 |
| Yellow-headed Blackbird |
|
|
|
|
|
X |
|
1 |
| Rusty Blackbird |
X |
|
|
X |
|
X |
|
3 |
| Common Grackle |
X |
X |
|
X |
X |
X |
|
5 |
| Brown-headed Cowbird |
X |
X |
X |
X |
X |
X |
|
6 |
| Baltimore Oriole |
X |
|
|
|
|
|
|
1 |
| Pine Grosbeak |
X |
X |
X |
X |
X |
X |
|
6 |
| Purple Finch |
X |
X |
X |
X |
X |
X |
|
6 |
| House Finch |
X |
X |
X |
X |
X |
X |
|
6 |
| Red Crossbill |
X |
|
X |
|
X |
X |
|
4 |
| White-winged Crossbill |
X |
|
X |
X |
X |
X |
|
5 |
| Common Redpoll |
X |
X |
X |
X |
X |
X |
|
6 |
| Hoary Redpoll |
X |
|
X |
X |
|
X |
|
4 |
| Pine Siskin |
X |
X |
X |
X |
X |
X |
|
6 |
| American Goldfinch |
X |
X |
X |
X |
X |
X |
|
6 |
| Evening Grosbeak |
X |
X |
X |
|
X |
X |
|
5 |
| House Sparrow |
X |
X |
X |
X |
X |
X |
|
6 |
|
|
|
|
|
|
|
| Number
of Species |
109 |
111 |
106 |
110 |
120 |
111 |
34 |
189 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Species |
|
|
Species |
| Seen in each of the last 6
winters |
|
75 |
|
Seen in each of the last
6 winters |
|
75 |
| Seen in 5 of the last 6
winters |
|
16 |
|
Seen in at least 5 of the last 6
winters |
|
90 |
| Seen in 4 of the last 6
winters |
|
15 |
|
Seen in at least 4 of the
last 6 winters |
|
105 |
| Seen in 3 of the last 6
winters |
|
6 |
|
Seen in at least 3 of the last 6
winters |
|
111 |
| Seen in 2 of the last 6
winters |
|
16 |
|
Seen in at least 2 of the
last 6 winters |
|
127 |
| Seen in one of the last 6
winters |
|
27 |
|
Seen in at least one of
the last 6 winters |
154 |
| Seen previous to the last 6
winters |
|
34 |
|
Seen in the last 6
winters or previously |
189 |
|
|
|
|
|
|
|
| Not on
Checklist |
|
|
|
|
|
|
| Ring-necked Pheasant |
|
|
|
|
|
|
X |
0 |
| Eurasian Goldfinch |
|
|
X |
X |
|
X |
|
3 |
|
|
|
|
|
|
|
|
|