Jim Duggan and I were the sole observers on a Denver Field Ornithologists field trip to Denver City Park this morning. Highlights included 3 Bluw-winged Teal, 2 Hooded Mergs in first spring male plumage, a Cooper's Hawk in the midst of the heronry in Ferril Lake, 3 avocets, 4 Greater Yellowlegs, the Wilson's Phalaropes and Bonaparte's Gulls reported yesterday by Chris Rurik, a Say's Phoebe, a Marsh Wren and a male Audubon's Warbler, Cormorants are busy nesting on both Duck and Ferril Islands. Numbers of night herons on nests continue to grow. Canada Geese are struggling for the limited nesting turf on islands in both lakes. Full list below.
Apr 20, 2013 6:52 AM - 10:48 AM
Protocol: Traveling
2.0 mile(s)
Comments: Denver Field Ornithologists trip. Leader: Chuck Hundertmark. Participant: Jim Duggan. Partly cloudy early changing to overcast. 36-50 F. Wind 0-1 Beauford. Urban park with two lakes. Submitted from BirdLog for Android v1.6
42 species (+1 other taxa)
Cackling Goose 49
Canada Goose 80 4 on nests on Ferril, 8 on Duck Island. Guano on backs
Gadwall 4
Mallard 5
Blue-winged Teal 3 male
Northern Shoveler 22
Lesser Scaup 20
Bufflehead 18
Common Goldeneye 3 female
Hooded Merganser 2 first spring males
Common Merganser 2 1st spring males
Western Grebe 5
Double-crested Cormorant 248 5 occupied nests on Ferril Island. 200 or so nests on Duck Island
Great Blue Heron 1 perched in heronry
Snowy Egret 3
Black-crowned Night-Heron 28 20 on or near nests on Ferril Island, 12 on. copulation. 8 on Duck Island
Cooper's Hawk 1 in middle of heronry
Red-tailed Hawk 1
American Coot 3
Killdeer 1
American Avocet 3
Greater Yellowlegs 4
Wilson's Phalarope 5
Bonaparte's Gull 6
Ring-billed Gull 7
Rock Pigeon 6
Northern Flicker 2
Say's Phoebe 1
Black-billed Magpie 1
American Crow 4 1 carry nest material
Mountain Chickadee 1
White-breasted Nuthatch 2
Marsh Wren 1 singing
Ruby-crowned Kinglet 1 singing
American Robin 6 singing
European Starling 2
Yellow-rumped Warbler 1
Yellow-rumped Warbler (Audubon's) 1 male
Dark-eyed Junco 1
Red-winged Blackbird 4
Common Grackle 2
House Finch 4 singing
House Sparrow 1
View this checklist online at http://ebird.org/ebird/view/checklist?subID=S13814371
Chuck Hundertmark
2546 Lake Meadow Drive
Lafayette, CO 80026
303-604-0531
Cell: 720-771-8659
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