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: Lisle-Arboretum CBC, 14 Dec 2014, final results  ( 715 )

Geoffrey A. Williamson

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Lisle-Arboretum CBC, 14 Dec 2014, final results
« : January 08, 2015, 07:17:27 AM »
The 66th Lisle-Arboretum Christmas Bird Count was held on Sunday, 14 December 2014. The balmy temperatures in the upper 40s were in stark contrast to last year's count when the temperature started at 24 but dropped to 10 degrees by day's end with a biting wind sending the "real feel" lower. The 81 field observers and 10 feeder watchers took advantage of the warm weather and managed to break the record species total by finding 89 species in the count circle. (The prior record was 88, set in last year's cold weather.)  Two additional species were added during the count week.

The final results are shown below.  Good birds for this count are indicated by all-caps, with the number of years they've been on the count noted.  Importantly for setting the record number of species, we had 24 species of waterfowl, with numbers for five of these setting all-time high counts for the circle.  All-time high counts were set for five other species, as well.  Other species with notably high counts this year included Blue Jay, Eastern Bluebird, and Pine Siskin.

The biggest miss was Golden-crowned Kinglet. That species has failed to make the count in only two prior years (1995 and 2000).  Species for which the tallly was much lower than normal include American Crow (continuing low numbers after the West Nile Virus outbreak), American Robin, Yellow-rumped Warbler, and White-throated Sparrow.

GREATER WHITE-FRONTED GOOSE 3 [Record high count!] (4th yr on count)
Snow Goose 3
Cackling Goose 8
Canada Goose 6,720
Mute Swan 3
TRUMPETER SWAN 2 (3rd yr on count)
Gadwall 283
American Wigeon 4
American Black Duck 6
Mallard 1,779
Northern Shoveler 19
Northern Pintail 4
Green-winged Teal 9
CANVASBACK 3  (10th yr on count)
REDHEAD 3  (10th yr on count)
Ring-necked Duck 1
GREATER SCAUP 1  (9th yr on count)
Lesser Scaup 11 [Record high count!]
Bufflehead 8 [Record high count!]
Common Goldeneye 78 [Record high count!]
Hooded Merganser 24
Common Merganser 606 [Record high count!]
Red-breasted Merganser 14
RUDDY DUCK 6  (13th yr on count)

[Pied-billed Grebe 3 during count week]

DOUBLE-CRESTED CORMORANT 1  (9th yr on count)

Great Blue Heron 24

Bald Eagle 9
Northern Harrier 1
Sharp-shinned Hawk 4
Cooper's Hawk 17
Accipter sp. 2
Red-tailed Hawk 76
Rough-legged Hawk 2

American Coot 71 [Record high count!]

Wilson's Snipe 1

Ring-billed Gull 153
Herring Gull 206
LESSER BLACK-BACKED GULL 1 (2nd yr on count)
gull sp. 5

Rock Pigeon 475
Mourning Dove 401

Eastern Screech-Owl 12
Great Horned Owl 27
BARRED OWL 2  (9th yr on count)
SHORT-EARED OWL 1  (14th yr on count)

Belted Kingfisher 13

Red-headed Woodpecker 2
Red-bellied Woodpecker 219
Downy Woodpecker 367 [Record high count!]
Hairy Woodpecker 104 [Record high count!]
Northern Flicker (yellow-shafted) 15
PILEATED WOODPECKER 1  (8th yr on count)

American Kestrel 5
MERLIN 1  (9th yr on count)

MONK PARAKEET 25 [Record high count!] (7th yr on count)

Northern Shrike 2

Blue Jay 539
American Crow 95

Horned Lark 4

Black-capped Chickadee 768
Tufted Titmouse 5

Red-breasted Nuthatch 2
White-breasted Nuthatch 336 [Record high count!]

Brown Creeper 21

Winter Wren 2
Carolina Wren 7

RUBY-CROWNED KINGLET 3  (18th yr on count)

Eastern Bluebird 85
Hermit Thrush 2
American Robin 176

European Starling 2,318

Cedar Waxwing 653

Yellow-rumped Warbler 3

Eastern Towhee 1
American Tree Sparrow 597
Fox Sparrow 19
Song Sparrow 64
LINCOLN'S SPARROW 1 (7th yr on count)
Swamp Sparrow 12
White-throated Sparrow 76
White-crowned Sparrow 6
Dark-eyed Junco 1,089

Northern Cardinal 470

EASTERN MEADOWLARK 3  (22nd yr on count)
RUSTY BLACKBIRD 1  (18th yr on count)
Common Grackle 3
[Brown-headed Cowbird 1 during count week]

House Finch 168
Purple Finch 4
Pine Siskin 430
American Goldfinch 526

House Sparrow 874

Geoff Williamson
Chicago (Cook County), Illinois


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