Birding spot · Boulder County, Colorado
Birding at Teller Lake Number 5: What You'll See Each Week In November, the birds most often reported at Teller Lake Number 5 are European Starling (92%), Blue Jay (85%), and Gadwall (81%). It is busiest in spring, when 73 species turn up on at least 1 in 20 checklists, and species counts peak in late May (68 species). 176 species have been reported here across 1,942 complete checklists from 569 birders.
Species by week 0 20 40 60 80 Jan 1-7: 38 species on 5%+ of 13 checklists Jan 8-14: 42 species on 5%+ of 12 checklists Jan 15-21: 45 species on 5%+ of 19 checklists Jan 22-31: 37 species on 5%+ of 24 checklists Feb 1-7: low data (5 checklists) Feb 8-14: 50 species on 5%+ of 12 checklists Feb 15-21: 40 species on 5%+ of 16 checklists Feb 22-28: 41 species on 5%+ of 14 checklists Mar 1-7: 52 species on 5%+ of 19 checklists Mar 8-14: 49 species on 5%+ of 30 checklists Mar 15-21: 48 species on 5%+ of 37 checklists Mar 22-31: 54 species on 5%+ of 78 checklists Apr 1-7: 55 species on 5%+ of 67 checklists Apr 8-14: 56 species on 5%+ of 70 checklists Apr 15-21: 64 species on 5%+ of 70 checklists Apr 22-30: 64 species on 5%+ of 72 checklists May 1-7: 63 species on 5%+ of 64 checklists May 8-14: 62 species on 5%+ of 41 checklists May 15-21: 61 species on 5%+ of 45 checklists May 22-31: 68 species on 5%+ of 94 checklists Jun 1-7: 52 species on 5%+ of 62 checklists Jun 8-14: 57 species on 5%+ of 89 checklists Jun 15-21: 58 species on 5%+ of 122 checklists Jun 22-30: 63 species on 5%+ of 139 checklists Jul 1-7: 61 species on 5%+ of 84 checklists Jul 8-14: 63 species on 5%+ of 35 checklists Jul 15-21: 49 species on 5%+ of 114 checklists Jul 22-31: 55 species on 5%+ of 62 checklists Aug 1-7: 63 species on 5%+ of 15 checklists Aug 8-14: 52 species on 5%+ of 25 checklists Aug 15-21: 58 species on 5%+ of 18 checklists Aug 22-31: 66 species on 5%+ of 40 checklists Sep 1-7: 63 species on 5%+ of 24 checklists Sep 8-14: 59 species on 5%+ of 25 checklists Sep 15-21: 55 species on 5%+ of 23 checklists Sep 22-30: 60 species on 5%+ of 37 checklists Oct 1-7: 43 species on 5%+ of 26 checklists Oct 8-14: 43 species on 5%+ of 23 checklists Oct 15-21: 53 species on 5%+ of 28 checklists Oct 22-31: 50 species on 5%+ of 26 checklists Nov 1-7: 49 species on 5%+ of 15 checklists Nov 8-14: 42 species on 5%+ of 10 checklists Nov 15-21: 51 species on 5%+ of 15 checklists Nov 22-30: 54 species on 5%+ of 19 checklists Dec 1-7: 49 species on 5%+ of 19 checklists Dec 8-14: 41 species on 5%+ of 13 checklists Dec 15-21: 49 species on 5%+ of 11 checklists Dec 22-31: 31 species on 5%+ of 21 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 European Starling 92% 2 Blue Jay 85% 3 Gadwall 81% 4 Red-winged Blackbird 69% 5 Northern Flicker 68% 6 Black-capped Chickadee 61% 7 Red-tailed Hawk 59% 8 Mallard 56% 9 Canada Goose 54% 10 American Wigeon 47% 11 Song Sparrow 46% 12 White-crowned Sparrow 46% 13 Black-billed Magpie 44% 14 American Robin 42% 15 American Coot 37% 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 .
European Starling92%
Blue Jay85%
Gadwall81%
Red-winged Blackbird69%
Northern Flicker68%
Black-capped Chickadee61%
Red-tailed Hawk59%
Mallard56%
Canada Goose54%
American Wigeon47%
Song Sparrow46%
White-crowned Sparrow46%
Black-billed Magpie44%
American Robin42%
American Coot37%