Birding spot · Adams County, Colorado
Birding at Barr Lake: What You'll See Each Week In November, the birds most often reported at Barr Lake are Red-winged Blackbird (76%), Canada Goose (73%), and Mallard (69%). It is busiest in fall, when 79 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of August (82 species). 223 species have been reported here across 2,800 complete checklists from 1,448 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 53 species on 5%+ of 48 checklists Jan 8-14: 50 species on 5%+ of 55 checklists Jan 15-21: 47 species on 5%+ of 42 checklists Jan 22-31: 44 species on 5%+ of 70 checklists Feb 1-7: 49 species on 5%+ of 55 checklists Feb 8-14: 44 species on 5%+ of 43 checklists Feb 15-21: 46 species on 5%+ of 48 checklists Feb 22-28: 48 species on 5%+ of 54 checklists Mar 1-7: 57 species on 5%+ of 56 checklists Mar 8-14: 52 species on 5%+ of 42 checklists Mar 15-21: 50 species on 5%+ of 47 checklists Mar 22-31: 53 species on 5%+ of 84 checklists Apr 1-7: 61 species on 5%+ of 44 checklists Apr 8-14: 70 species on 5%+ of 40 checklists Apr 15-21: 66 species on 5%+ of 50 checklists Apr 22-30: 57 species on 5%+ of 63 checklists May 1-7: 72 species on 5%+ of 55 checklists May 8-14: 75 species on 5%+ of 67 checklists May 15-21: 73 species on 5%+ of 70 checklists May 22-31: 66 species on 5%+ of 87 checklists Jun 1-7: 62 species on 5%+ of 57 checklists Jun 8-14: 62 species on 5%+ of 37 checklists Jun 15-21: 57 species on 5%+ of 34 checklists Jun 22-30: 58 species on 5%+ of 50 checklists Jul 1-7: 60 species on 5%+ of 40 checklists Jul 8-14: 61 species on 5%+ of 33 checklists Jul 15-21: 75 species on 5%+ of 37 checklists Jul 22-31: 63 species on 5%+ of 47 checklists Aug 1-7: 67 species on 5%+ of 40 checklists Aug 8-14: 82 species on 5%+ of 51 checklists Aug 15-21: 77 species on 5%+ of 54 checklists Aug 22-31: 76 species on 5%+ of 136 checklists Sep 1-7: 80 species on 5%+ of 114 checklists Sep 8-14: 81 species on 5%+ of 142 checklists Sep 15-21: 78 species on 5%+ of 110 checklists Sep 22-30: 73 species on 5%+ of 102 checklists Oct 1-7: 70 species on 5%+ of 67 checklists Oct 8-14: 69 species on 5%+ of 85 checklists Oct 15-21: 67 species on 5%+ of 54 checklists Oct 22-31: 56 species on 5%+ of 43 checklists Nov 1-7: 60 species on 5%+ of 40 checklists Nov 8-14: 54 species on 5%+ of 50 checklists Nov 15-21: 64 species on 5%+ of 18 checklists Nov 22-30: 47 species on 5%+ of 42 checklists Dec 1-7: 49 species on 5%+ of 30 checklists Dec 8-14: 57 species on 5%+ of 38 checklists Dec 15-21: 52 species on 5%+ of 50 checklists Dec 22-31: 51 species on 5%+ of 79 checklists Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted. In November: what to expect 1 Red-winged Blackbird 76% 2 Canada Goose 73% 3 Mallard 69% 4 White-crowned Sparrow 69% 5 Bald Eagle 67% 6 Black-capped Chickadee 63% 7 Ring-billed Gull 63% 8 Snow Goose 63% 9 Blue Jay 59% 10 Northern Flicker 59% 11 House Sparrow 57% 12 Cackling Goose 55% 13 Northern Shoveler 53% 14 Red-tailed Hawk 51% 15 Northern Harrier 50% Share of complete checklists at this spot that reported the bird in November. The sparkline is the whole year, with this month highlighted.
Season by season Specialties Birds reported far more often here than across Colorado.
Nearby spots Frequency is the share of complete checklists at this location that listed the bird, 2016–2025. Busy places report more of everything, and the weekly chart counts species on at least 5% of checklists so a few stray reports do not inflate it. How to read it .
Red-winged Blackbird76%
Canada Goose73%
Mallard69%
White-crowned Sparrow69%
Bald Eagle67%
Black-capped Chickadee63%
Ring-billed Gull63%
Snow Goose63%
Blue Jay59%
Northern Flicker59%
House Sparrow57%
Cackling Goose55%
Northern Shoveler53%
Red-tailed Hawk51%