Birding spot · Larimer County, Colorado
Birding at Horsetooth Mountain Open Space: What You'll See Each Week In November, the birds most often reported at Horsetooth Mountain Open Space are Black-billed Magpie (83%), Common Raven (73%), and Townsend's Solitaire (69%). It is busiest in summer, when 70 species turn up on at least 1 in 20 checklists, and species counts peak in early July (79 species). 122 species have been reported here across 843 complete checklists from 240 birders.
Species by week 0 20 40 60 80 Jan 1-7: 24 species on 5%+ of 13 checklists Jan 8-14: 23 species on 5%+ of 21 checklists Jan 15-21: 23 species on 5%+ of 21 checklists Jan 22-31: 23 species on 5%+ of 22 checklists Feb 1-7: 26 species on 5%+ of 17 checklists Feb 8-14: 25 species on 5%+ of 25 checklists Feb 15-21: 32 species on 5%+ of 18 checklists Feb 22-28: 25 species on 5%+ of 22 checklists Mar 1-7: 33 species on 5%+ of 33 checklists Mar 8-14: 27 species on 5%+ of 14 checklists Mar 15-21: 30 species on 5%+ of 14 checklists Mar 22-31: 33 species on 5%+ of 31 checklists Apr 1-7: 33 species on 5%+ of 28 checklists Apr 8-14: 42 species on 5%+ of 25 checklists Apr 15-21: 43 species on 5%+ of 27 checklists Apr 22-30: 56 species on 5%+ of 36 checklists May 1-7: 59 species on 5%+ of 24 checklists May 8-14: 66 species on 5%+ of 32 checklists May 15-21: 77 species on 5%+ of 37 checklists May 22-31: 74 species on 5%+ of 39 checklists Jun 1-7: 63 species on 5%+ of 24 checklists Jun 8-14: 67 species on 5%+ of 16 checklists Jun 15-21: 73 species on 5%+ of 14 checklists Jun 22-30: 62 species on 5%+ of 22 checklists Jul 1-7: 79 species on 5%+ of 16 checklists Jul 8-14: 63 species on 5%+ of 12 checklists Jul 15-21: 44 species on 5%+ of 11 checklists Jul 22-31: 63 species on 5%+ of 15 checklists Aug 1-7: 61 species on 5%+ of 12 checklists Aug 8-14: 54 species on 5%+ of 12 checklists Aug 15-21: low data (7 checklists) Aug 22-31: low data (8 checklists) Sep 1-7: low data (6 checklists) Sep 8-14: 46 species on 5%+ of 10 checklists Sep 15-21: low data (9 checklists) Sep 22-30: 55 species on 5%+ of 14 checklists Oct 1-7: 51 species on 5%+ of 15 checklists Oct 8-14: 42 species on 5%+ of 16 checklists Oct 15-21: low data (5 checklists) Oct 22-31: low data (3 checklists) Nov 1-7: low data (7 checklists) Nov 8-14: 38 species on 5%+ of 12 checklists Nov 15-21: 33 species on 5%+ of 15 checklists Nov 22-30: 31 species on 5%+ of 18 checklists Dec 1-7: 24 species on 5%+ of 11 checklists Dec 8-14: low data (9 checklists) Dec 15-21: low data (7 checklists) Dec 22-31: 30 species on 5%+ of 18 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 Black-billed Magpie 83% 2 Common Raven 73% 3 Townsend's Solitaire 69% 4 Dark-eyed Junco 67% 5 Pygmy Nuthatch 65% 6 Mountain Chickadee 54% 7 Steller's Jay 54% 8 American Robin 38% 9 White-breasted Nuthatch 35% 10 Black-capped Chickadee 31% 11 House Finch 27% 12 Northern Flicker 27% 13 Hairy Woodpecker 25% 14 Red-breasted Nuthatch 23% 15 Red-tailed Hawk 23% 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 .
Black-billed Magpie83%
Common Raven73%
Townsend's Solitaire69%
Dark-eyed Junco67%
Pygmy Nuthatch65%
Mountain Chickadee54%
Steller's Jay54%
American Robin38%
White-breasted Nuthatch35%
Black-capped Chickadee31%
House Finch27%
Northern Flicker27%
Hairy Woodpecker25%
Red-breasted Nuthatch23%
Red-tailed Hawk23%