All:
A late list of more stuff coming in through Boulder, Broomfield, Westminster, from over the last 9 days. Here's a photo of a Western Bluebird from NCAR from 5 days ago:
American White Pelican - most of the larger flocks have dispersed from Front Range area.
Pied Billed Grebe - are back in many locations
Western Grebe - at Stearns Lake
Double Crested Cormorant - spread over large areas, numbers still increasing
Black Crowned Night Heron - 1 along Platte River near Adams County Fairgrounds (note: Adams County Fairgrounds is torn to pieces with heavy construction going on - best to park on Henderson Road at the Veterans War Memorial).
Great Blue Heron - young on nests already, being fed by parents
Snowy Egret - numbers are increasing, but not as many as last year.
White Ibis - came and went in Arvada, - hope you got to see it.
Canada Goose - some with goslings already
Cackling Goose - a few strays at East Lake in Thornton
Mallard - present
Gadwall - still hanging at several lakes and ponds
Green Winged Teal - most are gone but a few on the Platte River, Adams County
Blue Winged Teal - East Lake, Thornton
Northern Shoveler - East Lake, Thornton, a few
Redhead - a few were still at East Lake (Thornton) and Plaster Reservoir (Broomfield)
Ring Necked Duck - still a few at Plaster Reservoir, Broomfield
Lesser Scaup - Brunner Reservoir, Broomfield
Ruddy Duck - at Brunner Reservoir - 3 females
Turkey Vulture - numbers increasing
Osprey - two flyovers at NCAR, and others along Front Range
Northern Harrier - NCAR, Boulder
Golden Eagle - Louisville along Dillion Road
Bald Eagle - all monitored nest sites appear to have young (note: road going into the bald eagle's nest near Stearns Lake is completely closed to the public - includes walking or driving).
Cooper's Hawk - throughout suburban, and open space areas - murdering birds left and right.
Sharp Shined Hawk - a few seen
Red Tailed Hawks - on nests in Westminster, Broomfield, Boulder, Thornton, etc. etc.
Swainson's Hawks - numbers increasing - most seen in Broomfield and Westminster
American Kestrel - present
Wild Turkey - lots at East Lake #2 in Thornton - local people told me that they are being fed by several households (not good!).
Virginia Rail - Plaster Reservoir and East Lake
American Coot - East Lake and Plaster Reservoir
Black Bellied Plover - fair looks at Baseline Reservoir - a scope is needed
Piping Plover - at Baseline Reservoir - (a thanks to Peter Gent)
Killdeer - present in many locations
American Avocet - scattered along lakes and ponds - large flocks moved through about 2 weeks ago.
Lesser Yellowlegs - Stearns Lake, and Baseline Reservoir
Greater Yellowlegs - Stearns Lake
Spotted Sandpiper - Stearns Lake
Least Sandpiper - 4 at Stearns Lake 5 days ago (note: Water levels have risen at Stearns covering the shorebird habitat. Water levels from one day to the next change depending on how much water is being let out.)
Long Billed Dowitcher - 18 or 19 at Stearns Lake 5 days ago, but all gone now. I was not able to ID short billed dowitcher.
Franklin's Gull - about 100+ resting on sandbars and islands about 6 days ago at Baseline Reservoir.
Ring Billed Gull - still a few hanging on at lakes and ponds
Rock Dove - present
Eurasian Collared Dove - present
Mourning Dove - present
Great Horned Owl - most young are off nests now
Northern Pygmy Owl - heard along Bear Creek Trail in Boulder, below NCAR
Broad Tailed Hummingbird - throughout numerous neighborhoods, males already doing display flights.
Black Chinned Hummingbird - Longmont, Broomfield
Belted Kingfisher - present
Acorn Woodpecker - finally went to see it; still present in Longmont
Northern Flicker - everywhere. Saw and photo'd several hybrid mixes
Downy Woodpecker - present
Eastern Phoebe - two seen and heard: one in Louisville at Coal Creek Lane and West Cherry St. Another one at Golden Ponds area where bike path goes under Hover Road.
Say's Phoebe - many locations; nesting
Western Kingbird - numbers increasing; Broomfield, Westminster, Thornton
Loggerhead Shrike - Stearns Lake - 1
Yellow Throated Vireo - heard only, at west Wanaka Lake area near the marsh and wood deck. Possible Cassin's Vireo in the area also.
Blue Jay - present
Stellar's Jay - present - gathering nesting materials
Black Billed Magpie - present - many have young in nests
American Crow - present
Common Raven - Boulder, Broomfield
Horned Lark - heard at Stearns Lake
American Tree Swallow - a few at East Lake, Thornton - 7 days ago
Violet-Green Swallow - at Gregory Canyon, Boulder, and along Boulder Creek
Northern Rough Winged Swallow - Westminster, Boulder
Cliff Swallow - massed flocks already building nests - Westminster, Broomfield, Boulder, Longmont
Barn Swallow - just about everywhere
Bush Tit - present; gathering insects, and nesting materials
Black Capped Chickadee - numbers seem way down from last year
White Breasted Nuthatch - nest sites; males feeding females
Red Breasted Nuthatch - some still down low in Broomfield and Westminster
Pygmy Nuthatch - at NCAR
House Wren - came in within the last few weeks; some areas have lots; other areas seem depleted.
Marsh Wren - 1 at Stearns Lake
American Dipper - two nest sites in Boulder along the Boulder Creek Bike Path. Feeding young in nests under bridges.
Blue Gray Gnatcatcher - Westminster, Boulder, Longmont
Western Bluebird - NCAR
American Robin - everywhere on nests
European Starling - present - hundreds of nest sites
Orange Crowned Warbler - one along Boulder Creek, about 6 at Wanaka Lake this morning
Audubon's Warbler - spread out over many areas; high concentration along Boulder Creek near the "Confluence" park area behind CU Research Center
Myrtle Warbler - same as above
Black Throated Gray Warbler - one male at Wanaka Lake - singing, visible
Yellow Warbler - one along Boulder Creek
Common Yellowthroat - Broomfield at Brunner Reservoir and Plaster Reservoir
Spotted Towhee - in good numbers this year; Boulder, Broomfield, Westminster
Chipping Sparrow - hundreds coming through in large flocks - Boulder, Broomfield
Song Sparrow - present
White Crowned Sparrow - still present at lower elevations in Boulder, Broomfield, Westminster, and Thornton
Dark Eyed Junco - a few still in Broomfield
Western Meadowlark - numbers way down from last year; singing
Red Winged Blackbird - present
Yellow Headed Blackbird - at East Lake in Thornton
Common Grackle - everywhere. They've taken over the world!
Great Tailed Grackle - at Teller Lake #5 in Boulder
Brown Headed Cowbird - present, numbers increasing
Brewer's Blackbird - Thornton, Westminster, Broomfield
House Finch - Present.
American Goldfinch - in large numbers this year.
House Sparrow - present
.... And a few others I probably missed. Please excuse spelling and grammatical errors.
Happy spring birding,
John T (Tumasonis)
"I'm not a real birder. I only pretend to be one on CoBirds."