Detroit River International Wildlife Refuge: inventories

Survey of Humbug Unit for the Rockwood Christmas Bird Count, 22 Dec 2007
8:30 AM to 4 PM; 6 hours and  7.25 miles on foot. Surveyed by Julie Craves & Darrin O’Brien. Temp: 40 to 42 F; wind S to SE 5 to 10 MPH; cloudy, still water frozen, Detroit River open in region.

42 species:

Canada Goose  1
Mute Swan   6
Gadwall  38
American Black Duck  1
Mallard    106
Common Merganser  2
Great Blue Heron  57
Bald Eagle 2 (adults)
Red-tailed Hawk  6
Bonaparte’s Gull 35
Ring-billed Gull  119
Herring Gull   15
Great Black-backed Gull 5
Mourning Dove  15
Great Horned Owl 1
Northern Saw-whet Owl 1
Red-bellied Woodpecker 6
Downy Woodpecker  31
Northern Flicker  9
Blue Jay 3
Black-capped Chickadee 43
Tufted Titmouse 2
White-breasted Nuthatch  5
Brown Creeper   5
Carolina Wren   9
Golden-crowned Kinglet 13
Eastern Bluebird 1

Hermit Thrush 2
American Robin  42
European Starling  55
Common Yellowthroat 1
Eastern Towhee 2

American Tree Sparrow 52
Fox Sparrow 3
Song Sparrow   1
White-throated Sparrow  73
Dark-eyed Junco 17
Northern Cardinal  35
Common Redpoll 10
Pine Siskin 31

American Goldfinch  24
House Sparrow 3

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