Birding spot · Adams County, Colorado
Birding at Lake Mary (southeast): What You'll See Each Week In November, the birds most often reported at Lake Mary (southeast) are Song Sparrow (52%), American Tree Sparrow (51%), and Canada Goose (51%). It is busiest in spring, when 61 species turn up on at least 1 in 20 checklists, and species counts peak in early September (70 species). 165 species have been reported here across 1,217 complete checklists from 793 birders.
Species by week 0 20 40 60 80 Jan 1-7: 49 species on 5%+ of 12 checklists Jan 8-14: low data (6 checklists) Jan 15-21: 32 species on 5%+ of 11 checklists Jan 22-31: 37 species on 5%+ of 17 checklists Feb 1-7: low data (9 checklists) Feb 8-14: 33 species on 5%+ of 12 checklists Feb 15-21: 34 species on 5%+ of 10 checklists Feb 22-28: 39 species on 5%+ of 12 checklists Mar 1-7: 49 species on 5%+ of 19 checklists Mar 8-14: 41 species on 5%+ of 24 checklists Mar 15-21: 41 species on 5%+ of 33 checklists Mar 22-31: 54 species on 5%+ of 39 checklists Apr 1-7: 53 species on 5%+ of 19 checklists Apr 8-14: 44 species on 5%+ of 25 checklists Apr 15-21: 63 species on 5%+ of 37 checklists Apr 22-30: 57 species on 5%+ of 47 checklists May 1-7: 58 species on 5%+ of 42 checklists May 8-14: 56 species on 5%+ of 44 checklists May 15-21: 50 species on 5%+ of 21 checklists May 22-31: 46 species on 5%+ of 55 checklists Jun 1-7: 54 species on 5%+ of 36 checklists Jun 8-14: 46 species on 5%+ of 27 checklists Jun 15-21: 52 species on 5%+ of 35 checklists Jun 22-30: 44 species on 5%+ of 21 checklists Jul 1-7: 50 species on 5%+ of 41 checklists Jul 8-14: 62 species on 5%+ of 20 checklists Jul 15-21: 52 species on 5%+ of 28 checklists Jul 22-31: 40 species on 5%+ of 23 checklists Aug 1-7: 67 species on 5%+ of 19 checklists Aug 8-14: 49 species on 5%+ of 37 checklists Aug 15-21: 48 species on 5%+ of 33 checklists Aug 22-31: 49 species on 5%+ of 22 checklists Sep 1-7: 70 species on 5%+ of 18 checklists Sep 8-14: 64 species on 5%+ of 16 checklists Sep 15-21: 47 species on 5%+ of 22 checklists Sep 22-30: 61 species on 5%+ of 27 checklists Oct 1-7: 50 species on 5%+ of 25 checklists Oct 8-14: 37 species on 5%+ of 29 checklists Oct 15-21: 45 species on 5%+ of 26 checklists Oct 22-31: 39 species on 5%+ of 31 checklists Nov 1-7: 40 species on 5%+ of 34 checklists Nov 8-14: 40 species on 5%+ of 24 checklists Nov 15-21: 42 species on 5%+ of 29 checklists Nov 22-30: 41 species on 5%+ of 28 checklists Dec 1-7: 40 species on 5%+ of 14 checklists Dec 8-14: 44 species on 5%+ of 20 checklists Dec 15-21: 41 species on 5%+ of 16 checklists Dec 22-31: 34 species on 5%+ of 22 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 Song Sparrow 52% 2 American Tree Sparrow 51% 3 Canada Goose 51% 4 Northern Flicker 51% 5 Black-billed Magpie 50% 6 White-crowned Sparrow 49% 7 Red-winged Blackbird 48% 8 Ring-billed Gull 42% 9 Pied-billed Grebe 40% 10 European Starling 37% 11 American Goldfinch 36% 12 Mallard 35% 13 House Finch 32% 14 American Coot 31% 15 American Robin 26% 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 .
Song Sparrow52%
American Tree Sparrow51%
Canada Goose51%
Northern Flicker51%
Black-billed Magpie50%
White-crowned Sparrow49%
Red-winged Blackbird48%
Ring-billed Gull42%
Pied-billed Grebe40%
European Starling37%
American Goldfinch36%
Mallard35%
House Finch32%
American Coot31%
American Robin26%