Mercer Island Bird Count 2005 2006 2007 2008 2009 2010Common Loon 2 1 1Pied-billed Grebe 16 9 19 11 5 4Horned Grebe 8 7 3 8 10 7Red-necked Grebe 1 2 8Eared Grebe 1 22 4Western Grebe 94 162 52 15 50 32Double-crested Cormorant 35 20 17 24 19 45Great Blue Heron 4 1 1 1Canada Goose 4 34 35 7 82 16Trumpeter Swan 9 3Gadwall 14 21 49 81 55 4American Wigeon 47 24 55 30 115 58Mallard 87 98 36 46 39 49Northern Shoveler 1Northern Pintail 1 2Canvasback 77 223 210 141 34Redhead 1Ring-necked Duck 29 96 146 87 159 10Greater Scaup 1 11 1 4Lesser Scaup 78 202 130 100 326 4

7 204Bufflehead 83 91 62 69 98 31Common Goldeneye 48 30 50 43 22 13Barrow's Goldeneye 1 15Hooded Merganser 12 15 18Common Merganser 47 42 24 57 32 3Red-breasted Merganser 10 3 1 1 1Ruddy Duck 4Bald Eagle (adult) 11 6 5 5 11 6Bald Eagle (imm) 2 2 4 4

1Sharp-shinned Hawk 2 1 1 3Cooper's Hawk 3 1 1 1Red-tailed Hawk 3 2 2 3 3Merlin 2 2 1 1American Coot 348 617 439 241 1Killdeer 13 5 2 2 2Spotted Sandpiper 3 1 1Mew Gull 5 52 3 23 6Ring-billed Gull 40 1 1 1 1California Gull 2 1 1Herring Gull 1Western X Glaucous-winged Gull 12Glaucous-winged Gull 25 30 56 18 41 1

3 4 3 19Rock Pigeon 223 159 56 48 153Band-tailed Pigeon 60 11 37 9 13 11Barred Owl 2 1Anna's Hummingbird 22 27 36 32 30 13Belted Kingfisher 2 3 2 3 2 1Red-breasted Sapsucker 1Downy Woodpecker 12 8 11 5 7 2Hairy Woodpecker 1 1Northern Flicker (red) 85 45 46 26 37 20

3 1 428 18 23 18 9 15

Crow (American or NW) 531 318 219 219 186 109Common Raven 1

(Scaup sp)

Bald Eagle (unaged)

(Gull sp)

Pileated WoodpeckerSteller's Jay

2005 2006 2007 2008 2009 2010Black Capped Chickadee 172 251 250 120 158 59Chestnut-backed Chickadee 46 76 21 51 43 29Bushtit 196 208 163 94 115 41Red-breasted Nuthatch 7 10 22 9 21 9Brown Creeper 8 3 7 1 7

23 30 43 14 25 10Winter/Pacific Wren 15 31 26 8 13 4Golden-crowned Kinglet 68 174 77 25 54 28Ruby-crowned Kinglet 86 63 63 15 23 10Hermit Thrush 1American Robin 559 291 395 366 277 114Varied Thrush 2 2 4 10 4 8European Starling 370 69 173 103 109 51Cedar Waxwing 69 20Y-rumped Warbler (Audubon) 8 45 14 2Y-rumped Warbler (Myrtle) 4Y-rumped Warbler (unseparated) 1 10 1 1Townsend's Warbler 1 1 2Spotted Towhee 31 30 55 39 34 32Fox Sparrow 8 9 14 18 5 8Song Sparrow 68 45 86 57 46 44Lincoln's Sparrow 1White-crowned Sparrow 1 15 5Golden-crowned Sparrow 6 3 27 23 6Dark-eyed Junco (Oregon) 160 165 183 127 173 54Dark-eyed Junco (Slate color) 2 1 1Red-winged Blackbird 3 4Brown-headed Cowbird 1 1 1Purple Finch 2 8House Finch 71 80 183 158 26

24 788 7 17 11American Goldfinch 2 3 36 15 13House Sparrow 24 32 62 43 75 23Snow Goose 1

Total species 63 68 66 64 66 53Total individual birds 4056 4034 4952 2655 2988 1048

Participants in the field 27 22 24 13 26 10Backyards counted 7 6 2 4

Bewick's Wren

Pine Siskin