Boulder Change Location

Recent Visits

Checklists submitted within the last hour are not shown.
Observer Date Species
Donna Stumpp 20 Feb 2020 9
David Tønnessen 20 Feb 2020 8
Dan Gloeckner 20 Feb 2020 1
Bryan Guarente 20 Feb 2020 6
art reisman 20 Feb 2020 12
Eric DeFonso 20 Feb 2020 4
Holly Kaltenstein 20 Feb 2020 2
Julie Gunning 20 Feb 2020 1
KATHY GALE 20 Feb 2020 6
Will Anderson 20 Feb 2020 4
More Recent Visits...

Top eBirders

Updated ~1 day(s) ago.
1 John Vanderpoel
369
2 Christian Nunes
365
3 Todd Deininger
363
4 Alexander Brown
361
4 David Waltman
361
6 Ted Floyd
353
7 William Kaempfer
352
8 Peter Burke
345
9 Randall Siebert
328
10 Mark Minner-Lee
326
Top 100 eBirders...

411 Species 98,073 Checklists

Updated ~21 hr(s) ago.
Species Name Count Date By
1 American Crow 1 19 Feb 2020 Nathan Pieplow
 
2 Canada Goose 2 19 Feb 2020 Nathan Pieplow
 
3 Mallard 2 19 Feb 2020 Nathan Pieplow
 
4 Rock Pigeon 1 19 Feb 2020 Nathan Pieplow
 
5 Common Raven 2 19 Feb 2020 Nathan Pieplow
 
6 Red-tailed Hawk 1 19 Feb 2020 Nathan Pieplow
 
7 Green-winged Teal 2 19 Feb 2020 Micah Yarbrough
 
8 Common Goldeneye 2 19 Feb 2020 Micah Yarbrough
 
9 Wilson's Snipe 2 19 Feb 2020 Micah Yarbrough
 
10 Bald Eagle 1 19 Feb 2020 Micah Yarbrough N
 
11 Belted Kingfisher 1 19 Feb 2020 Micah Yarbrough
 
12 Northern Flicker 1 19 Feb 2020 Micah Yarbrough
 
13 American Kestrel 1 19 Feb 2020 Micah Yarbrough
 
14 Black-billed Magpie 15 19 Feb 2020 Micah Yarbrough
 
15 Black-capped Chickadee 6 19 Feb 2020 Will Anderson
 
Walk from canyon to campus
16 House Finch 2 19 Feb 2020 Will Anderson
 
Walk from canyon to campus
17 Tundra Swan 2 19 Feb 2020 Karl Garrett
 
18 Gadwall 8 19 Feb 2020 Karl Garrett
 
19 Redhead 12 19 Feb 2020 Karl Garrett
 
20 Ring-necked Duck 20 19 Feb 2020 Karl Garrett
 
21 Golden Eagle 1 19 Feb 2020 Karl Garrett
 
22 House Sparrow 4 19 Feb 2020 Lisa Brin
 
Glendale Gulch Circle, Boulder, Colorado, US (40.074, -105.194)
23 Dark-eyed Junco 4 19 Feb 2020 Lisa Brin N
 
Glendale Gulch Circle, Boulder, Colorado, US (40.074, -105.194)
24 Spotted Towhee 1 19 Feb 2020 Lisa Brin N
 
Glendale Gulch Circle, Boulder, Colorado, US (40.074, -105.194)
25 Canvasback 6 19 Feb 2020 Boulder Bird Club
 
26 Lesser Scaup 6 19 Feb 2020 Boulder Bird Club
 
27 Bufflehead 2 19 Feb 2020 Boulder Bird Club
 
28 Townsend's Solitaire 1 19 Feb 2020 Boulder Bird Club
 
Cackling/Canada Goose 3 19 Feb 2020 Karen Coupland
 
Home - Harvest Junction Village in Longmont
29 Eurasian Collared-Dove 1 19 Feb 2020 Karen Coupland
 
Home - Harvest Junction Village in Longmont
30 Blue Jay 1 19 Feb 2020 Loren Merrill
 
31 American Tree Sparrow 8 19 Feb 2020 Peter Ruprecht
 
Sagamore / W Coal Creek Dr
32 Red-winged Blackbird 2 19 Feb 2020 Peter Ruprecht
 
Sagamore / W Coal Creek Dr
33 Cackling Goose 55 19 Feb 2020 Randall Siebert
 
34 Northern Shoveler 2 19 Feb 2020 Randall Siebert
 
35 American Wigeon 2 19 Feb 2020 Randall Siebert
 
36 Hooded Merganser 1 19 Feb 2020 Randall Siebert
 
37 Common Merganser 4 19 Feb 2020 Randall Siebert
 
38 Ring-billed Gull 6 19 Feb 2020 Randall Siebert
 
39 Cooper's Hawk 1 19 Feb 2020 Randall Siebert N
 
40 Downy Woodpecker 1 19 Feb 2020 Randall Siebert
 
41 White-breasted Nuthatch 1 19 Feb 2020 Randall Siebert
 
42 White-crowned Sparrow 6 19 Feb 2020 Randall Siebert
 
43 Song Sparrow 2 19 Feb 2020 Randall Siebert
 
44 Mourning Dove 3 19 Feb 2020 Holly Kaltenstein
 
1609 Cottonwood Dr, Louisville US-CO (39.9860,-105.1398)
45 Bushtit 4 19 Feb 2020 Holly Kaltenstein
 
1609 Cottonwood Dr, Louisville US-CO (39.9860,-105.1398)
46 Red-breasted Nuthatch 1 19 Feb 2020 Holly Kaltenstein
 
1609 Cottonwood Dr, Louisville US-CO (39.9860,-105.1398)
47 European Starling 9 19 Feb 2020 Holly Kaltenstein
 
1609 Cottonwood Dr, Louisville US-CO (39.9860,-105.1398)
48 Woodhouse's Scrub-Jay 4 19 Feb 2020 Sue Riffe
 
96 Antelope Dr - Private Residence (Boulder)
49 American Robin 2 19 Feb 2020 Sue Riffe
 
96 Antelope Dr - Private Residence (Boulder)
50 Pine Siskin 4 19 Feb 2020 Sue Riffe
 
96 Antelope Dr - Private Residence (Boulder)
51 Great Horned Owl 1 19 Feb 2020 Leslie S
 
52 Northern Pintail 8 18 Feb 2020 Sue Riffe
 
53 Ruddy Duck 3 18 Feb 2020 Sue Riffe
 
54 American Coot 4 18 Feb 2020 Mitchell Bailey
 
55 Great Blue Heron 1 18 Feb 2020 Mitchell Bailey
 
56 Sharp-shinned Hawk 1 18 Feb 2020 Scott Severs
 
Meadowview 3,4,5
duck sp. 25 18 Feb 2020 Leslie S
 
57 American Pipit 2 18 Feb 2020 Karen Coupland P
 
58 Red-necked Phalarope 1 18 Feb 2020 Mitchell Bailey N
 
59 Northern Harrier 1 18 Feb 2020 Mitchell Bailey
 
60 American Dipper 1 18 Feb 2020 Sue Riffe
 
61 Ferruginous Hawk 1 18 Feb 2020 Emil Yappert N
 
62 Greater Scaup 3 18 Feb 2020 Bryan Tarbox
 
63 Herring Gull 1 18 Feb 2020 Bryan Tarbox
 
Larus sp. 1 18 Feb 2020 Bryan Tarbox
 
64 Prairie Falcon 1 18 Feb 2020 Carl Bendorf P
 
Boulder County
Greater/Lesser Scaup 1 18 Feb 2020 Ted Floyd
 
crow/raven sp. 1 18 Feb 2020 Ted Floyd
 
65 American Goldfinch 15 18 Feb 2020 Leslie S
 
Black-capped/Mountain Chickadee 4 17 Feb 2020 Anonymous eBirder
 
Backyard feeder Hallet Peak
66 Merlin 1 17 Feb 2020 Scott Severs
 
Kristen Schaal Greenspace
67 Hairy Woodpecker 1 17 Feb 2020 Wesley Homoya
 
68 Steller's Jay 2 17 Feb 2020 Wesley Homoya
 
69 Clark's Nutcracker 1 17 Feb 2020 Wesley Homoya
 
70 Mountain Chickadee 6 17 Feb 2020 Wesley Homoya
 
71 Pygmy Nuthatch 1 17 Feb 2020 Wesley Homoya
 
72 Red Crossbill 11 17 Feb 2020 Wesley Homoya
 
73 Western Grebe 2 17 Feb 2020 Anonymous eBirder
 
gull sp. 2 17 Feb 2020 Anonymous eBirder
 
hawk sp. 1 17 Feb 2020 Anonymous eBirder
 
pigeon/dove sp. 2 17 Feb 2020 Amy Shields N
 
Shields
74 Say's Phoebe 1 17 Feb 2020 Emil Yappert N
 
75 Killdeer 1 17 Feb 2020 Jack Bushong N
 
raven sp. 1 17 Feb 2020 Jack Bushong N
 
76 Brown Creeper 2 17 Feb 2020 Jack Bushong N
 
77 Wild Turkey 7 17 Feb 2020 Sue Riffe
 
78 Pine Grosbeak 1 17 Feb 2020 Sue Riffe N
 
Arapaho National Forest, Lyons US-CO 40.15817, -105.46999
79 Northern Pygmy-Owl 1 17 Feb 2020 Chris McAllister N
 
Mallard (Domestic type) 1 17 Feb 2020 art reisman P
 
80 Western Meadowlark 2 17 Feb 2020 David Smith
 
Lookout Rd between 75th and 95th
Buteo sp. 1 17 Feb 2020 Melannie Hartman N
 
Ponds at Arapahoe and Foothills Pkwy
81 Northern Shrike 1 17 Feb 2020 Brian Johnson
 
Foothils Gardens of Memory Cemetary
82 Great-tailed Grackle 1 17 Feb 2020 Doug Hendricks
 
E Third Ave, Longmont US-CO (40.1639,-105.0807)
Downy/Hairy Woodpecker 1 17 Feb 2020 Vicki McVey
 
12 Tilghman Rd
83 Lesser Goldfinch 1 17 Feb 2020 David Tønnessen N
 
Quinn St
finch sp. 4 17 Feb 2020 Lori Windle
 
12558 Flagg Dr. Lafayette, CO
84 Snow Goose 1 17 Feb 2020 Glenn Walbek
 
85 Northern Goshawk 1 17 Feb 2020 Glenn Walbek N
 
86 Evening Grosbeak 1 17 Feb 2020 Jill Eisman
 
201 Rudi Ln
87 Cassin's Finch 1 17 Feb 2020 Jill Eisman
 
201 Rudi Ln
88 Cedar Waxwing 2 17 Feb 2020 Tyson Kahler
 
89 Marsh Wren 1 16 Feb 2020 Scott Severs P
 
Dry Creek Greenway
Mallard/Mexican Duck 1 16 Feb 2020 Ted Floyd
 
90 Red-breasted Merganser 3 16 Feb 2020 Alexander Brown
 
91 California Gull 5 16 Feb 2020 Grant Medlin
 
Accipiter sp. 1 16 Feb 2020 Lisa Butts N
 
14020 N 87th St, Longmont US-CO 40.22897, -105.14934
92 Horned Lark 20 16 Feb 2020 David Coupland
 
Lookout Rd
woodpecker sp. 1 16 Feb 2020 Sharon Sytsma N
 
93 Rough-legged Hawk 1 16 Feb 2020 Gail Yanowitch
 
Golden/Bald Eagle 1 16 Feb 2020 Leslie S
 
94 Gray-crowned Rosy-Finch 5 16 Feb 2020 Anonymous eBirder
 
Backyard feeder Hallet Peak
passerine sp. 8 16 Feb 2020 Eric DeFonso
 
95 Ruby-crowned Kinglet 1 16 Feb 2020 Joe Chen
 
nuthatch sp. 1 16 Feb 2020 Laura Steadman
 
96 Golden-crowned Kinglet 1 16 Feb 2020 Luke Pheneger
 
97 Brown-capped Rosy-Finch 7 16 Feb 2020 Luke Pheneger P
 
rosy-finch sp. 6 16 Feb 2020 Lori Windle
 
12558 Flagg Dr. Lafayette, CO
98 Yellow-rumped Warbler 5 15 Feb 2020 Luke Pheneger N
 
Spinus sp. (goldfinch sp.) 1 15 Feb 2020 PL Osborn
 
480 Japonica Way, Boulder US-CO (40.0369,-105.2902)
99 Long-eared Owl 1 14 Feb 2020 Sawyer Smith P
 
North Fork Shanahan Trail, Boulder, Colorado, US (39.966, -105.27)
100 Swamp Sparrow 1 14 Feb 2020 Luke Pheneger
 
grackle sp. 7 14 Feb 2020 Beth McKnight
 
McKnight-Kelly Home
101 Canyon Wren 1 14 Feb 2020 Sue Riffe
 
96 Antelope Dr - Private Residence (Boulder)
sparrow sp. 15 13 Feb 2020 Julie Gunning
 
12476 Niwot Road, Longmont, Colorado, US (40.101, -105.06)
blackbird sp. 1 13 Feb 2020 Julie Gunning
 
12476 Niwot Road, Longmont, Colorado, US (40.101, -105.06)
102 Williamson's Sapsucker 1 13 Feb 2020 Christian Nunes P
 
103 Canada Jay 1 11 Feb 2020 Fyn Kynd N
 
104 White-throated Sparrow 1 11 Feb 2020 Christian Nunes
 
OSMP HUB
105 Mexican Duck 1 10 Feb 2020 Jack Bushong N
 
106 Eastern Bluebird 1 10 Feb 2020 Eva Matthews Lark
 
5285 Jay Rd, Boulder US-CO (40.0512,-105.2306)
107 Pinyon Jay 25 10 Feb 2020 Sue Riffe N
 
Lower Blue Mountain and Apple Valley Rds
Snow/Ross's Goose 1 9 Feb 2020 Jack Bushong N
 
108 American Three-toed Woodpecker 1 9 Feb 2020 Cole Sage P
 
109 White-winged Crossbill 1 9 Feb 2020 Cole Sage N
 
crossbill sp. 1 9 Feb 2020 Cole Sage P
 
110 Harris's Sparrow 1 7 Feb 2020 David Dowell
 
111 Gray Catbird 1 6 Feb 2020 Catherine Labio N
 
large falcon sp. 1 6 Feb 2020 carl starace
 
goose sp. 30 5 Feb 2020 Boulder Bird Club
 
112 Lesser Black-backed Gull 1 4 Feb 2020 Bryan Guarente N
 
113 Greater White-fronted Goose 1 2 Feb 2020 Bryan Tarbox N
 
Streptopelia sp. 1 2 Feb 2020 Ted Floyd
 
114 Common Redpoll 1 2 Feb 2020 Mark Chavez P
 
115 Pied-billed Grebe 1 2 Feb 2020 Boulder Bird Club
 
Snow x Cackling Goose (hybrid) 1 2 Feb 2020 John Salisbury N
 
Carolyn Holmberg Preserve
116 Iceland Gull 1 1 Feb 2020 Alexander Brown
 
117 Yellow-headed Blackbird 1 29 Jan 2020 William Kaempfer N
 
118 Brewer's Blackbird 10 26 Jan 2020 Matt Hofeditz
 
119 Ross's Goose 1 26 Jan 2020 Joe Chen
 
120 Great Black-backed Gull 1 25 Jan 2020 Bryan Guarente N
 
Graylag Goose (Domestic type) x Canada Goose (hybrid) 1 25 Jan 2020 Ana Cole
 
Aythya sp. 1 25 Jan 2020 Ted Floyd
 
merganser sp. 1 25 Jan 2020 Ted Floyd
 
121 Eastern Screech-Owl 1 25 Jan 2020 Ted Floyd
 
swan sp. 2 24 Jan 2020 Jan Wharton N
 
122 Northern Saw-whet Owl 1 23 Jan 2020 Ryan Bushong N
 
Common/Red-breasted Merganser 2 22 Jan 2020 David Dowell
 
dabbling duck sp. 1 22 Jan 2020 Ted Floyd
 
Bohemian/Cedar Waxwing 4 20 Jan 2020 Carolyn Lysandrou
 
3315 Chisholm Trail, Boulder US-CO (40.0350,-105.2518)
towhee sp. 1 20 Jan 2020 Carolyn Lysandrou
 
3315 Chisholm Trail, Boulder US-CO (40.0350,-105.2518)
123 Virginia Rail 1 20 Jan 2020 Christian Nunes
 
12273–12375 Kenosha Rd, Erie US-CO (40.0696,-105.0649)
Buteo/eagle sp. 1 20 Jan 2020 Ted Floyd
 
owl sp. 1 20 Jan 2020 Ted Floyd
 
124 Wood Duck 1 19 Jan 2020 Bryan Guarente
 
Sharp-shinned/Cooper's Hawk 1 19 Jan 2020 Kat Bradley-Bennett
 
Kat Home
125 Glaucous Gull 1 18 Jan 2020 Leslie S N
 
Common/Barrow's Goldeneye 2 18 Jan 2020 John Salisbury
 
Carolyn Holmberg Preserve
Ross's x Cackling Goose (hybrid) 1 17 Jan 2020 Bryan Guarente P
 
Loomiller Park
Snow/Ross's x Cackling/Canada Goose (hybrid) 1 17 Jan 2020 Jonathan Montgomery P
 
falcon sp. 1 15 Jan 2020 Ted Floyd
 
126 Rock Wren 1 11 Jan 2020 Peter Burke N
 
127 Varied Thrush 1 8 Jan 2020 Spencer England P
 
Apple Way / Peach Way
bird sp. 1 8 Jan 2020 Ted Floyd N
 
Snow x Canada Goose (hybrid) 1 8 Jan 2020 Marcel Such N
 
kinglet sp. 1 8 Jan 2020 Jessie Brause
 
1373 Clemson Dr, Longmont US-CO (40.1830,-105.1414)
128 Double-crested Cormorant 2 7 Jan 2020 Aidan Coohill
 
129 Lapland Longspur 3 6 Jan 2020 Ted Floyd
 
Vinelife Church grounds
130 Yellow-bellied Sapsucker 1 5 Jan 2020 Ron Podhajsky P
 
waterfowl sp. 6 5 Jan 2020 Richard Littauer N
 
diurnal raptor sp. 1 5 Jan 2020 Richard Littauer
 
Western/Clark's Grebe 1 30 Dec 2019 Nathan Pieplow
 
Zonotrichia sp. 1 30 Dec 2019 Luke Pheneger
 
Dry Creek, and surrounding Neighborhoods ( in all directions ).
131 Bohemian Waxwing 6 29 Dec 2019 David Smith N
 
Home
132 Rusty Blackbird 1 26 Dec 2019 Derek Lecy P
 
Church West, Boulder US-CO (39.9687,-105.2129)
133 Long-tailed Duck 2 17 Dec 2019 Steven Mlodinow P
 
134 Wilson's Warbler 1 15 Dec 2019 Christian Nunes P
 
Swan Goose (Domestic type) 1 15 Dec 2019 Meghan McCutchan
 
135 Chihuahuan Raven 3 15 Dec 2019 John Vanderpoel N
 
bluebird sp. 6 14 Dec 2019 Stephen Chang N
 
136 Brown-headed Cowbird 1 11 Dec 2019 Joey Negreann P
 
137 Western Bluebird 2 8 Dec 2019 Ron Podhajsky
 
Mallard x Mexican Duck (hybrid) 1 7 Dec 2019 Leslie S P
 
Rusty/Brewer's Blackbird 20 7 Dec 2019 Maurice Salata
 
138 Horned Grebe 3 4 Dec 2019 Aaron Yappert
 
139 Sandhill Crane 18 3 Dec 2019 Rob Cassady N
 
140 Mountain Bluebird 1 2 Dec 2019 Chris Petrizzo N
 
141 Common Grackle 1 2 Dec 2019 Pam Koch P
 
2313 Village Ln, Longmont US-CO (40.1696,-105.1318)
142 White-winged Dove 1 1 Dec 2019 Patricia Cullen
 
4221 N 75th St, Boulder US-CO (40.0510,-105.1805)
143 Hermit Thrush 1 30 Nov 2019 David Dowell N
 
Willow Creek Park, Longmont
144 Indigo Bunting 1 28 Nov 2019 Ron Podhajsky N
 
Gunbarrel Green
145 Pacific Loon 1 25 Nov 2019 David Waltman N
 
146 Eared Grebe 5 25 Nov 2019 Mark Minner-Lee
 
147 American White Pelican 15 23 Nov 2019 Anonymous eBirder
 
148 Barrow's Goldeneye 1 21 Nov 2019 Chipper Phillips P
 
Yellow-bellied/Red-naped Sapsucker 1 19 Nov 2019 Ron Podhajsky N
 
teal sp. 2 18 Nov 2019 carl starace
 
149 Bonaparte's Gull 2 16 Nov 2019 Peter Burke
 
Trumpeter/Tundra Swan 2 14 Nov 2019 Tony Downs N
 
small falcon sp. 1 13 Nov 2019 Leslie S
 
Horned/Eared Grebe X 9 Nov 2019 Chipper Phillips
 
150 Common Loon 1 9 Nov 2019 David Bailey
 
151 Sora 1 8 Nov 2019 David Smith P
 
grebe sp. 1 7 Nov 2019 Mitchell Bailey
 
152 Greater Yellowlegs 1 7 Nov 2019 Karen Coupland P
 
chickadee sp. 1 7 Nov 2019 Anonymous eBirder N
 
153 Clark's Grebe 1 7 Nov 2019 Stephen Chang
 
154 Dusky Grouse 1 6 Nov 2019 Loren Merrill
 
155 Burrowing Owl 1 4 Nov 2019 Christian Nunes N
 
Graylag Goose (Domestic type) 1 3 Nov 2019 Boulder Bird Club
 
Walden Ponds Trailhead
wren sp. 1 3 Nov 2019 Ron Podhajsky
 
156 Chipping Sparrow 6 3 Nov 2019 Spencer England
 
157 Lincoln's Sparrow 1 2 Nov 2019 Ernest Crvich P
 
158 Long-billed Dowitcher 1 30 Oct 2019 John Rutenbeck
 
159 Townsend's Warbler 1 29 Oct 2019 Steven Mlodinow N
 
Canyon Creek, 29th-30th
160 Black-throated Green Warbler 1 29 Oct 2019 Steven Mlodinow N
 
Canyon Creek, 29th-30th
161 Orange-crowned Warbler 1 29 Oct 2019 Steven Mlodinow N
 
east St Vrain Creek Trail
162 Sage Thrasher 1 28 Oct 2019 Thomas Heinrich P
 
Boulder Valley Ranch, Eagle Trail
163 Blue-winged Teal 3 28 Oct 2019 Ted Floyd
 
164 Red-necked Grebe 1 28 Oct 2019 Peter Burke N
 
165 American Avocet 2 28 Oct 2019 Thomas Heinrich P
 
loon sp. 2 28 Oct 2019 Peter Burke N
 
166 Dunlin 1 27 Oct 2019 Rob Cassady N
 
Loggerhead/Northern Shrike 1 27 Oct 2019 Chip Clouse N
 
2330 West Coal Creek Drive, Louisville, Colorado, US (39.941, -105.193)
167 Wood Thrush 1 26 Oct 2019 Timo Mitzen N
 
Wood Thrush stakeout
168 Snowy Egret 1 26 Oct 2019 Rob Cassady P
 
169 Osprey 1 26 Oct 2019 Sarah Spotten P
 
170 Western Tanager 1 26 Oct 2019 Eric DeFonso N
 
2915 Baseline Rd, Boulder US-CO (40.0018,-105.2548)
171 Blackburnian Warbler 1 26 Oct 2019 Ernest Crvich P
 
172 Clay-colored Sparrow 1 25 Oct 2019 Nick Moore N
 
Avexis Colorado (No Trespassing)
173 Ovenbird 1 25 Oct 2019 Rolf Hertenstein P
 
warbler sp. (Parulidae sp.) 1 25 Oct 2019 Karen Strong N
 
2915 Baseline Rd, Boulder US-CO (40.0018,-105.2547)
174 Surf Scoter 1 25 Oct 2019 Chris Petrizzo
 
175 Blue-gray Gnatcatcher 1 25 Oct 2019 Chris Petrizzo P
 
176 Nashville Warbler 1 24 Oct 2019 Toni Anthony N
 
2950 Bixby Ave, Boulder US-CO (40.0020,-105.2544)
scoter sp. 1 24 Oct 2019 Cole Sites N
 
Blue-winged/Cinnamon Teal 2 24 Oct 2019 David Dowell
 
177 Savannah Sparrow 1 24 Oct 2019 Christian Nunes P
 
Sam's Lane
178 Red-naped Sapsucker 1 23 Oct 2019 Peter Burke N
 
2915 Baseline Rd, Boulder US-CO (40.0015,-105.2555)
179 Blackpoll Warbler 1 23 Oct 2019 Steve Larson N
 
2400 57th St, Boulder US-CO (40.0264,-105.2239)
Catharus sp. 1 23 Oct 2019 Luke Pheneger
 
777 29th St, Boulder US-CO (40.0014,-105.2560)
180 Palm Warbler 1 23 Oct 2019 Will Anderson N
 
181 House Wren 1 21 Oct 2019 Chris Petrizzo P
 
sapsucker sp. 1 20 Oct 2019 Kevin DeBoer N
 
750 29th Street, Boulder, Colorado, US (40.001, -105.255)
182 Broad-winged Hawk 1 19 Oct 2019 Sarah Spotten N
 
183 Plumbeous Vireo 1 19 Oct 2019 Stephen Chang N
 
Short-billed/Long-billed Dowitcher 8 17 Oct 2019 Gregory Miller
 
184 Broad-tailed Hummingbird 1 17 Oct 2019 Thomas Heinrich P
 
3rd & Forest
185 Brewer's Sparrow 1 16 Oct 2019 Ernest Crvich P
 
186 Black-chinned Hummingbird 1 13 Oct 2019 Christian Nunes P
 
4614 16th St, Boulder US-CO (40.0583,-105.2767)
187 Vesper Sparrow 1 13 Oct 2019 Frank Farrell N
 
188 Baird's Sandpiper 1 13 Oct 2019 Joe Chen
 
189 Franklin's Gull 8 12 Oct 2019 Peter Burke
 
190 Common Yellowthroat 1 12 Oct 2019 Loren Merrill N
 
191 Least Sandpiper 1 12 Oct 2019 Sarah Spotten P
 
192 Lesser Yellowlegs 2 12 Oct 2019 Sarah Spotten
 
193 Barn Swallow 6 12 Oct 2019 Sarah Spotten
 
pipit sp. 1 12 Oct 2019 Mark Minner-Lee N
 
194 Bewick's Wren 1 12 Oct 2019 Ted Floyd A
 
Greater/Lesser Yellowlegs 1 11 Oct 2019 Nathan Pieplow
 
195 Chestnut-collared Longspur 2 11 Oct 2019 Nathan Pieplow N
 
peep sp. 4 11 Oct 2019 David Smith
 
196 Spotted Sandpiper 2 11 Oct 2019 David Smith
 
197 Sprague's Pipit 1 11 Oct 2019 Barbara Brown P
 
198 Pectoral Sandpiper 1 11 Oct 2019 Peter Burke P
 
199 Sagebrush Sparrow 1 11 Oct 2019 Peter Burke N
 
200 Peregrine Falcon 1 10 Oct 2019 David Dowell N
 
201 Turkey Vulture 2 9 Oct 2019 Sue Riffe
 
202 Great Egret 1 9 Oct 2019 Karen Axe
 
Boulder Reservoir Park, Boulder US-CO (40.0851,-105.2259)
plover sp. 1 8 Oct 2019 David Dowell N
 
203 Forster's Tern 1 8 Oct 2019 Peter Burke P
 
204 Virginia's Warbler 1 8 Oct 2019 Thomas Heinrich P
 
3rd & Forest
205 Warbling Vireo 1 7 Oct 2019 Ernest Crvich P
 
hummingbird sp. 1 7 Oct 2019 Thomas Heinrich
 
3rd & Forest
206 Northern Mockingbird 1 7 Oct 2019 Thomas Heinrich P
 
3rd & Forest
207 Grasshopper Sparrow 1 6 Oct 2019 Richard Trinkner N
 
208 Lark Sparrow 1 6 Oct 2019 Ryan Bushong P
 
209 Cattle Egret 1 6 Oct 2019 Eric Albright
 
thrush sp. 1 6 Oct 2019 Megan Jones N
 
Spizella sp. 2 6 Oct 2019 Mark Minner-Lee
 
shorebird sp. 3 6 Oct 2019 Michelle Robbins
 
210 American Bittern 1 6 Oct 2019 Rob Cassady P
 
white egret sp. 1 6 Oct 2019 Rob Cassady P
 
211 Rufous Hummingbird 1 4 Oct 2019 Jack Bushong P
 
212 Swainson's Hawk 1 4 Oct 2019 David Smith
 
213 Hammond's Flycatcher 1 4 Oct 2019 Adrian Lakin P
 
214 Black-crowned Night-Heron 1 4 Oct 2019 Adrian Lakin
 
Western/Eastern Wood-Pewee 1 3 Oct 2019 David Dowell P
 
swallow sp. 2 3 Oct 2019 Jay Hutchins
 
215 Short-eared Owl 1 2 Oct 2019 Mark Minner-Lee N
 
216 Brown Thrasher 1 2 Oct 2019 Ryan Bushong P
 
217 Green-tailed Towhee 1 2 Oct 2019 Micah Yarbrough N
 
80305, Boulder US-CO (39.9879,-105.2744)
218 Black-bellied Plover 1 2 Oct 2019 Cole Talbot N
 
Selasphorus sp. 1 1 Oct 2019 Alexander Brown N
 
4560 Darley Avenue, Boulder
219 Sabine's Gull 1 30 Sep 2019 carl starace
 
220 Cinnamon Teal 1 29 Sep 2019 JoAnn Potter Riggle P
 
Rose-breasted/Black-headed Grosbeak 1 28 Sep 2019 Robert King N
 
Chance Acres
221 Dusky Flycatcher 1 28 Sep 2019 Richard Trinkner P
 
222 Western Wood-Pewee 1 27 Sep 2019 Jack Bushong P
 
223 Yellow Warbler 1 26 Sep 2019 David Dowell N
 
224 Solitary Sandpiper 1 25 Sep 2019 Kelly Ormesher
 
St Vrain Creek
225 White-throated Swift 3 25 Sep 2019 Sarah Leavesley
 
226 American Redstart 1 23 Sep 2019 Meghan McCutchan P
 
Fairview HS
227 Cassin's Vireo 1 23 Sep 2019 John Malenich P
 
Glossy/White-faced Ibis 1 22 Sep 2019 Leslie S N
 
228 White-faced Ibis 1 22 Sep 2019 Jennie Duberstein N
 
229 MacGillivray's Warbler 1 21 Sep 2019 Jack Bushong N
 
230 Western Kingbird 1 21 Sep 2019 Aidan Coohill
 
Tree/Violet-green Swallow 2 21 Sep 2019 Aidan Coohill
 
Empidonax sp. 1 21 Sep 2019 Christine Sparks
 
231 Band-tailed Pigeon 1 20 Sep 2019 Alexander Brown N
 
232 Stilt Sandpiper 1 20 Sep 2019 Peter Burke
 
233 Cassin's Kingbird 1 18 Sep 2019 Ryan Bushong N
 
Setophaga sp. 1 17 Sep 2019 Jason Barcus
 
234 Lark Bunting 1 17 Sep 2019 Sue Riffe
 
235 Black-headed Grosbeak 1 17 Sep 2019 art reisman P
 
flycatcher sp. (Tyrannidae sp.) 2 17 Sep 2019 Karen Coupland
 
236 Eastern Kingbird 1 17 Sep 2019 Leslie S P
 
237 Olive-sided Flycatcher 1 16 Sep 2019 Sue Riffe N
 
238 Cliff Swallow 1 16 Sep 2019 Sue Riffe N
 
239 Tree Swallow 3 16 Sep 2019 Ron Podhajsky N
 
240 Red-headed Woodpecker 1 15 Sep 2019 Carl Bendorf P
 
241 Blue Grosbeak 4 15 Sep 2019 Bill Schmoker A
 
tern sp. 1 15 Sep 2019 Barbara Brown
 
242 Common Nighthawk 3 14 Sep 2019 Charles Hundertmark N
 
2546 Lake Meadow Dr, Lafayette US-CO (40.0224,-105.1268)
243 Red-eyed Vireo 1 14 Sep 2019 Barbara Brown P
 
244 Northern Rough-winged Swallow 4 14 Sep 2019 Todd Deininger
 
245 Lazuli Bunting 2 14 Sep 2019 Steve Frye
 
246 Swainson's Thrush 1 13 Sep 2019 Robert Thoren
 
(39.9832,-105.3237)
vireo sp. 1 13 Sep 2019 Jordan Gunn N
 
Mitchell and Blue Lake
247 Northern Waterthrush 1 12 Sep 2019 David Dowell
 
Dry Creek
248 White-tailed Ptarmigan 4 12 Sep 2019 Ron Joost N
 
Buchanan Pass Trail
249 Calliope Hummingbird 1 12 Sep 2019 Randall Siebert
 
Sterna sp. 2 11 Sep 2019 Ted Floyd N
 
Gray/Dusky Flycatcher 1 9 Sep 2019 Olivier Randoing
 
250 Least Flycatcher 1 8 Sep 2019 Steven Mlodinow
 
251 Western Sandpiper 1 7 Sep 2019 Mark Minner-Lee
 
252 Wilson's Phalarope 1 7 Sep 2019 Steve Frye
 
253 Common Poorwill 1 6 Sep 2019 Loren Merrill
 
FSR 505
254 Rose-breasted Grosbeak 1 5 Sep 2019 willem van vliet- N
 
Central Boulder, yard
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) 1 5 Sep 2019 Ann Duey
 
Mountain time loop
255 Bank Swallow 2 5 Sep 2019 carl starace
 
256 Black Swift 11 4 Sep 2019 Richard May P
 
257 Semipalmated Sandpiper 1 3 Sep 2019 Mike Hensley
 
258 Violet-green Swallow 6 3 Sep 2019 Loren Merrill
 
pewee sp. (Contopus sp.) 1 3 Sep 2019 Robert Thoren
 
259 Bullock's Oriole 1 3 Sep 2019 Matt Spangler
 
swift sp. 2 2 Sep 2019 Michael Britten
 
Yard on Carolina Ave., Longmont, CO
Cassin's/Plumbeous Vireo 1 2 Sep 2019 Carl Bendorf
 
260 Loggerhead Shrike 1 1 Sep 2019 Mike Ostrowski
 
Semipalmated/Western Sandpiper 2 1 Sep 2019 Tom Ward
 
Red-necked/Red Phalarope 8 1 Sep 2019 Chris Friedman P
 
Lagerman Reservoir
261 Willow Flycatcher 1 31 Aug 2019 Matt Spangler P
 
Cassin's/Western Kingbird 1 31 Aug 2019 Leslie S
 
262 Yellow-breasted Chat 1 31 Aug 2019 Steven Mlodinow
 
263 Cordilleran Flycatcher 1 31 Aug 2019 Anonymous eBirder
 
264 Marbled Godwit 4 30 Aug 2019 Sue Riffe N
 
phalarope sp. 1 30 Aug 2019 Peter Burke N
 
265 Chimney Swift 3 29 Aug 2019 Dean Shoup
 
Black-crowned/Yellow-crowned Night-Heron 1 28 Aug 2019 Jack Bushong N
 
266 Upland Sandpiper 1 28 Aug 2019 Scott Severs N
 
Oakwood Drive-Longmont
267 Black-necked Stilt 1 27 Aug 2019 carl starace N
 
Ruby-throated/Black-chinned Hummingbird 1 25 Aug 2019 Ryan Bushong
 
268 Sanderling 1 20 Aug 2019 Steven Mlodinow N
 
269 Eastern Phoebe 1 18 Aug 2019 Cathy Wilhelmi
 
270 Semipalmated Plover 1 12 Aug 2019 carl starace
 
Lazuli x Indigo Bunting (hybrid) 1 11 Aug 2019 Joel Such
 
nighthawk sp. 1 10 Aug 2019 Sawyer Smith
 
271 Flammulated Owl 1 8 Aug 2019 Sawyer Smith
 
1600 Mariposa Avenue, Boulder, Colorado, US (39.998, -105.273)
272 Lewis's Woodpecker 1 8 Aug 2019 Roberta Chase
 
2875 County Road 67, Boulder US-CO (39.9319,-105.2705)
273 Orchard Oriole 1 7 Aug 2019 Donna Stumpp P
 
274 Caspian Tern 1 7 Aug 2019 Eric DeFonso
 
Domestic goose sp. (Domestic type) 1 6 Aug 2019 Thomas Dietsch
 
Kanemoto Park, Longmont US-CO (40.1439,-105.1089)
Western/Eastern Meadowlark 1 6 Aug 2019 Kaleb Kroeker
 
6870 Nelson Road, Longmont, Colorado, US (40.151, -105.188)
275 Willet 1 3 Aug 2019 Steve Frye
 
Spotted/Eastern Towhee (Rufous-sided Towhee) 1 3 Aug 2019 Leonard Gal
 
yellow-bellied kingbird sp. 1 2 Aug 2019 Nathan Pieplow N
 
Yellow-billed/Black-billed Cuckoo 1 2 Aug 2019 Chris Curwen
 
276 Green Heron 1 30 Jul 2019 Mark Minner-Lee
 
277 Cassin's Sparrow 1 30 Jul 2019 Mark Minner-Lee N
 
278 Fox Sparrow 2 30 Jul 2019 Dave Hallock N
 
Arapaho Pass
Spizella sp./American Tree Sparrow 1 25 Jul 2019 David Smith
 
new world oriole sp. 1 20 Jul 2019 Kelly Ballantyne
 
Hammond's/Dusky Flycatcher 1 20 Jul 2019 Luke Pheneger
 
Green Mountain to Bear Peak (West Ridges Only)
279 Bobolink 2 19 Jul 2019 Chip Clouse
 
927 South Cherryvale Road, Boulder, Colorado, US (39.969, -105.213)
280 Dickcissel 1 17 Jul 2019 Barbara Brown N
 
Lazuli/Indigo Bunting 1 15 Jul 2019 Sue Riffe
 
96 Antelope Dr - Private Residence (Boulder)
rail/crake sp. 1 14 Jul 2019 Jack Bushong N
 
281 Summer Tanager 1 7 Jul 2019 Chipper Phillips P
 
S Snowmass Cir, Superior
282 Northern Cardinal 1 29 Jun 2019 Leslie S A
 
283 Barn Owl 2 26 Jun 2019 Kevin Schwartz
 
Daniel's Home
Bullock's/Baltimore Oriole 2 26 Jun 2019 tommi wolfe
 
Marshall Mesa
Neotropic/Double-crested Cormorant 8 26 Jun 2019 Carla Real
 
284 Black Tern 1 22 Jun 2019 Chipper Phillips N
 
285 Chestnut-sided Warbler 1 21 Jun 2019 Joe Chen N
 
286 Yellow-billed Cuckoo 1 20 Jun 2019 Ted Floyd N
 
Alder/Willow Flycatcher (Traill's Flycatcher) 1 15 Jun 2019 David Smith
 
Chimney/Vaux's Swift 1 9 Jun 2019 Kat Herrera
 
424 Utica Avenue, Boulder, Colorado, US (40,053, -105,292)
287 Scarlet Tanager 1 30 May 2019 Michael Patterson N
 
Kincross Dr. Yard
288 Gray Flycatcher 1 30 May 2019 Aidan Coohill N
 
East Boulder, Boulder US-CO (40.0156,-105.2423)
289 Northern Parula 1 29 May 2019 Christian Nunes
 
7885 Arlington Dr, Boulder US-CO (40.0068,-105.1689)
290 Magnolia Warbler 1 26 May 2019 Leslie S P
 
291 Hermit Warbler 1 25 May 2019 Kevin DeBoer N
 
292 Veery 2 23 May 2019 Ted Floyd N
 
293 Tennessee Warbler 1 22 May 2019 Michael Britten N
 
Yard on Carolina Ave., Longmont, CO
Rose-breasted x Black-headed Grosbeak (hybrid) 1 21 May 2019 David Waltman P
 
Crestview 8464 W Fork Rd (private residence)
Blue-winged Teal x Northern Shoveler (hybrid) 1 21 May 2019 Luke Pheneger P
 
Blue-winged x Cinnamon Teal (hybrid) 1 21 May 2019 Steven Mlodinow P
 
Western x Clark's Grebe (hybrid) 1 14 May 2019 Steven Mlodinow N
 
294 Golden-winged Warbler 1 11 May 2019 Eric DeFonso N
 
eagle sp. 1 10 May 2019 Christian Nunes N
 
295 Ash-throated Flycatcher 1 8 May 2019 Holden Maxfield P
 
phoebe sp. 1 8 May 2019 Toni Anthony
 
296 Black-and-white Warbler 1 7 May 2019 David Dowell P
 
297 Whimbrel 1 7 May 2019 Lisa Brin N
 
large swift sp. 1 3 May 2019 Peter Burke
 
298 Long-billed Curlew 1 2 May 2019 Peter Burke
 
299 White-eyed Vireo 1 30 Apr 2019 Mark Minner-Lee P
 
Black-capped x Mountain Chickadee (hybrid) 1 27 Apr 2019 Laura Steadman N
 
300 Pacific Wren 1 25 Apr 2019 Tom Behnfield P
 
4572 Robinson Place, Boulder, Colorado, US (40.058, -105.209)
Cooper's Hawk/Northern Goshawk 2 21 Apr 2019 Michael Lester N
 
Dutch Creek Park/Coal Creek trail
301 Sedge Wren 1 20 Apr 2019 Jack Bushong N
 
302 Winter Wren 1 20 Apr 2019 Christian Nunes P
 
Deadman's Gulch
303 McCown's Longspur 1 11 Apr 2019 Luke Pheneger P
 
Herring/Iceland Gull 1 16 Mar 2019 Jack Bushong N
 
Herring x Glaucous-winged Gull (hybrid) 1 27 Feb 2019 Ted Floyd P
 
Thomas Reservoir
304 Black Rosy-Finch 2 14 Feb 2019 William Kaempfer
 
12300 Magnolia Road, Nederland, Colorado, US (39.953, -105.503)
House/Purple Finch 1 7 Feb 2019 Lisa Brin N
 
305 Purple Finch 1 5 Feb 2019 Rolf Hertenstein P
 
Lyons old town
Snow x Ross's Goose (hybrid) 1 26 Jan 2019 Joe Chen
 
306 Brant 1 19 Jan 2019 Adam Johnson N
 
Graylag x Swan Goose (Domestic type) (hybrid) 1 14 Jan 2019 Ted Floyd N
 
Kenosha Pond
307 Vermilion Flycatcher 1 30 Dec 2018 Earl Johnson N
 
Domestic goose sp. (Domestic type) x Canada Goose (hybrid) 1 24 Dec 2018 Jack Bushong P
 
Greater White-fronted x Canada Goose (hybrid) 1 17 Dec 2018 Emil Yappert P
 
Gadwall x Mallard (hybrid) 1 3 Dec 2018 Sarah Spotten P
 
308 Mew Gull 1 18 Nov 2018 Sue Riffe N
 
309 Golden-crowned Sparrow 1 18 Nov 2018 Walter Wehtje N
 
310 Black Scoter 1 10 Nov 2018 Peter Burke
 
311 Parasitic Jaeger 1 10 Nov 2018 David Smith N
 
312 Ruby-throated Hummingbird 1 25 Oct 2018 William Kaempfer N
 
Redwood Ave. RTHU stakeout
313 Fork-tailed Flycatcher 1 23 Oct 2018 Karen Goetz N
 
314 Ring-necked Pheasant 1 23 Oct 2018 Peter Burke N
 
315 American Golden-Plover 1 21 Oct 2018 Catherine Labio N
 
large shorebird sp. 3 17 Oct 2018 Tracy Pheneger
 
316 Field Sparrow 1 15 Oct 2018 Peter Burke N
 
317 Yellow-throated Warbler 1 14 Oct 2018 Kat Bradley-Bennett N
 
Kat Home
Patagioenas sp. 10 29 Sep 2018 Dean Shoup N
 
318 Prothonotary Warbler 1 29 Sep 2018 Luke Pheneger N
 
Black x Eastern Phoebe (hybrid) 1 22 Sep 2018 Peter Burke N
 
Tringa sp. 1 16 Sep 2018 Leslie S
 
319 Little Blue Heron 1 8 Sep 2018 Alexander Brown N
 
320 Hooded Warbler 1 8 Sep 2018 Nathaniel Behl P
 
Beaver Reservoir (Private Property)
solitary vireo sp. 1 3 Sep 2018 Patricia Hargleroad
 
Peaceful Valley, colorado
heron sp. 1 29 Aug 2018 Ted Floyd N
 
321 Black-throated Gray Warbler 1 28 Aug 2018 Ernest Crvich P
 
322 Philadelphia Vireo 1 28 Aug 2018 William Kaempfer N
 
tanager sp. (Piranga sp.) 1 28 Jul 2018 Leslie S N
 
323 Carolina Wren 1 24 Jul 2018 Sarah Spotten A
 
Longmont - Stoney Ridge neighborhood
324 Ruddy Turnstone 1 18 Jul 2018 Philip Henson N
 
325 Eastern Meadowlark 1 15 Jul 2018 Dan Zmolek N
 
326 Scissor-tailed Flycatcher 1 14 Jul 2018 Bryan O'Leary N
 
Torreys Peak open space path
Pacific/Winter Wren 1 12 Jul 2018 Dan Zmolek A
 
Haemorhous sp. 6 7 Jul 2018 Brooke Keeney
 
288 Ridgeview Ln, Boulder US-CO (40.0766,-105.3318)
327 African Collared-Dove 1 25 Jun 2018 Ted Floyd N
 
328 Tricolored Heron 1 24 Jun 2018 Doug Ward N
 
329 Yellow-throated Vireo 1 14 May 2018 Laura Steadman N
 
330 Cape May Warbler 1 13 May 2018 Nick Moore P
 
Scolopacidae sp. 2 2 May 2018 Stephen Chang N
 
331 Glossy Ibis 1 29 Apr 2018 Caleb Strand P
 
Glossy x White-faced Ibis (hybrid) 1 29 Apr 2018 Caleb Strand P
 
332 Anna's Hummingbird 1 13 Apr 2018 Pablo Quezada N
 
333 Boreal Owl 1 11 Mar 2018 Christian Nunes A
 
334 Snowy Owl 1 25 Feb 2018 Ron Podhajsky N
 
Diagonal Hiway and Indpendence Rd
335 Pine Warbler 1 24 Jan 2018 David Dowell P
 
Dry Creek
Northern/Gilded Flicker 1 22 Jan 2018 Ted Floyd P
 
Lake Park Open Space
jay sp. 2 22 Jan 2018 Ted Floyd N
 
Lake Park Open Space
336 Trumpeter Swan 1 4 Jan 2018 Randall Siebert P
 
Graylag x Canada Goose (hybrid) 1 7 Dec 2017 Shawn Ashbaugh P
 
2829–2899 S 88th St, Superior US-CO (39.9383,-105.1475)
337 Black-throated Blue Warbler 1 15 Nov 2017 Gregg Goodrich P
 
338 Common Tern 1 15 Oct 2017 Bob Spencer N
 
339 Black Phoebe 1 3 Oct 2017 Scott Severs P
 
340 Red Phalarope 1 3 Oct 2017 Mark Minner-Lee N
 
Red Junglefowl (Domestic type) 25 29 Sep 2017 Ted Floyd P
 
Gadwall x Northern Pintail (hybrid) 1 13 Apr 2017 Christian Nunes P
 
341 Snowy Plover 1 1 Apr 2017 William Kaempfer N
 
American Wigeon x Mallard (hybrid) 1 11 Mar 2017 Christian Nunes P
 
Podiceps sp. 1 10 Mar 2017 Ted Floyd N
 
Panama Reservoir
Mallard x Mottled Duck (hybrid) 1 4 Feb 2017 Jane Baryames P
 
Hecla Lake
Greater White-fronted x Cackling Goose (hybrid) 1 14 Jan 2017 Steven Mlodinow N
 
Longmont, Peregrine Circle
longspur sp. 2 5 Jan 2017 Jack Bushong N
 
Snow x Greater White-fronted Goose (hybrid) 1 27 Dec 2016 Tracy Pheneger P
 
US-CO-Boulder-5204-5498 Jay Rd - 40.0510x-105.2316
342 Red-throated Loon 1 6 Dec 2016 Christian Nunes N
 
OSMP Annex
343 Laughing Gull 1 9 Oct 2016 Ted Floyd N
 
Cliff/Cave Swallow 1 4 Jul 2016 Ted Floyd N
 
344 Canyon Towhee 1 6 Jun 2016 Kim Mauritz N
 
345 Least Bittern 1 21 May 2016 Kathy Mihm Dunning N
 
346 Gray-cheeked Thrush 1 16 May 2016 Christian Nunes N
 
8696 Lookout Rd- Knaus House OSMP -- private residence
347 Worm-eating Warbler 1 9 May 2016 John Malenich P