Birding spot · Jefferson County, Colorado
Birding at Bear Creek Lake: What You'll See Each Week In November, the birds most often reported at Bear Creek Lake are Black-billed Magpie (81%), Canada Goose (70%), and Ring-billed Gull (67%). It is busiest in spring, when 88 species turn up on at least 1 in 20 checklists, and species counts peak in early September (87 species). 243 species have been reported here across 2,853 complete checklists from 509 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 43 species on 5%+ of 89 checklists Jan 8-14: 38 species on 5%+ of 47 checklists Jan 15-21: 40 species on 5%+ of 26 checklists Jan 22-31: 41 species on 5%+ of 35 checklists Feb 1-7: 34 species on 5%+ of 27 checklists Feb 8-14: 41 species on 5%+ of 37 checklists Feb 15-21: 33 species on 5%+ of 51 checklists Feb 22-28: 37 species on 5%+ of 27 checklists Mar 1-7: 38 species on 5%+ of 34 checklists Mar 8-14: 47 species on 5%+ of 58 checklists Mar 15-21: 47 species on 5%+ of 91 checklists Mar 22-31: 52 species on 5%+ of 134 checklists Apr 1-7: 61 species on 5%+ of 102 checklists Apr 8-14: 72 species on 5%+ of 133 checklists Apr 15-21: 81 species on 5%+ of 140 checklists Apr 22-30: 86 species on 5%+ of 150 checklists May 1-7: 77 species on 5%+ of 124 checklists May 8-14: 80 species on 5%+ of 113 checklists May 15-21: 84 species on 5%+ of 106 checklists May 22-31: 75 species on 5%+ of 120 checklists Jun 1-7: 60 species on 5%+ of 31 checklists Jun 8-14: 65 species on 5%+ of 16 checklists Jun 15-21: 55 species on 5%+ of 45 checklists Jun 22-30: 58 species on 5%+ of 37 checklists Jul 1-7: 67 species on 5%+ of 14 checklists Jul 8-14: 60 species on 5%+ of 24 checklists Jul 15-21: 71 species on 5%+ of 22 checklists Jul 22-31: 73 species on 5%+ of 30 checklists Aug 1-7: 75 species on 5%+ of 15 checklists Aug 8-14: 66 species on 5%+ of 25 checklists Aug 15-21: 73 species on 5%+ of 31 checklists Aug 22-31: 83 species on 5%+ of 49 checklists Sep 1-7: 87 species on 5%+ of 44 checklists Sep 8-14: 80 species on 5%+ of 85 checklists Sep 15-21: 76 species on 5%+ of 55 checklists Sep 22-30: 74 species on 5%+ of 52 checklists Oct 1-7: 58 species on 5%+ of 46 checklists Oct 8-14: 57 species on 5%+ of 67 checklists Oct 15-21: 60 species on 5%+ of 37 checklists Oct 22-31: 64 species on 5%+ of 90 checklists Nov 1-7: 62 species on 5%+ of 59 checklists Nov 8-14: 64 species on 5%+ of 56 checklists Nov 15-21: 57 species on 5%+ of 41 checklists Nov 22-30: 58 species on 5%+ of 33 checklists Dec 1-7: 50 species on 5%+ of 24 checklists Dec 8-14: 45 species on 5%+ of 47 checklists Dec 15-21: 43 species on 5%+ of 36 checklists Dec 22-31: 45 species on 5%+ of 98 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 81% 2 Canada Goose 70% 3 Ring-billed Gull 67% 4 Mallard 63% 5 Northern Flicker 61% 6 Red-tailed Hawk 59% 7 Song Sparrow 57% 8 Black-capped Chickadee 53% 9 American Tree Sparrow 52% 10 House Finch 48% 11 Common Goldeneye 42% 12 White-crowned Sparrow 41% 13 Bufflehead 40% 14 American Robin 35% 15 Western Grebe 32% 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 Magpie81%
Canada Goose70%
Ring-billed Gull67%
Mallard63%
Northern Flicker61%
Red-tailed Hawk59%
Song Sparrow57%
Black-capped Chickadee53%
American Tree Sparrow52%
House Finch48%
Common Goldeneye42%
White-crowned Sparrow41%
Bufflehead40%
American Robin35%
Western Grebe32%