WhenToBird

Birding spot · Broomfield County, Colorado

Birding at Stearns Lake (west): What You'll See Each Week

In November, the birds most often reported at Stearns Lake (west) are Mallard (88%), Red-tailed Hawk (66%), and European Starling (59%). It is busiest in spring, when 58 species turn up on at least 1 in 20 checklists, and species counts peak in early August (62 species). 127 species have been reported here across 867 complete checklists from 153 birders.

Species by week

020406080Jan 1-7: 32 species on 5%+ of 10 checklistsJan 8-14: low data (7 checklists)Jan 15-21: low data (9 checklists)Jan 22-31: low data (9 checklists)Feb 1-7: low data (8 checklists)Feb 8-14: low data (9 checklists)Feb 15-21: low data (6 checklists)Feb 22-28: 28 species on 5%+ of 10 checklistsMar 1-7: low data (9 checklists)Mar 8-14: 26 species on 5%+ of 12 checklistsMar 15-21: 34 species on 5%+ of 10 checklistsMar 22-31: 39 species on 5%+ of 26 checklistsApr 1-7: 42 species on 5%+ of 46 checklistsApr 8-14: 42 species on 5%+ of 53 checklistsApr 15-21: 48 species on 5%+ of 96 checklistsApr 22-30: 54 species on 5%+ of 131 checklistsMay 1-7: 57 species on 5%+ of 86 checklistsMay 8-14: 48 species on 5%+ of 33 checklistsMay 15-21: 52 species on 5%+ of 42 checklistsMay 22-31: 50 species on 5%+ of 30 checklistsJun 1-7: low data (9 checklists)Jun 8-14: low data (6 checklists)Jun 15-21: low data (6 checklists)Jun 22-30: 47 species on 5%+ of 10 checklistsJul 1-7: 49 species on 5%+ of 10 checklistsJul 8-14: low data (6 checklists)Jul 15-21: low data (7 checklists)Jul 22-31: 50 species on 5%+ of 21 checklistsAug 1-7: 62 species on 5%+ of 20 checklistsAug 8-14: low data (6 checklists)Aug 15-21: 47 species on 5%+ of 10 checklistsAug 22-31: 36 species on 5%+ of 10 checklistsSep 1-7: low data (6 checklists)Sep 8-14: low data (5 checklists)Sep 15-21: low data (8 checklists)Sep 22-30: low data (7 checklists)Oct 1-7: low data (6 checklists)Oct 8-14: low data (8 checklists)Oct 15-21: low data (2 checklists)Oct 22-31: 37 species on 5%+ of 10 checklistsNov 1-7: low data (6 checklists)Nov 8-14: low data (5 checklists)Nov 15-21: 37 species on 5%+ of 12 checklistsNov 22-30: low data (9 checklists)Dec 1-7: low data (8 checklists)Dec 8-14: low data (5 checklists)Dec 15-21: low data (2 checklists)Dec 22-31: low data (5 checklists)JanFebMarAprMayJunJulAugSepOctNovDec
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. 1Mallard88%
  2. 2Red-tailed Hawk66%
  3. 3European Starling59%
  4. 4Red-winged Blackbird50%
  5. 5Eurasian Collared-Dove44%
  6. 6Song Sparrow44%
  7. 7White-crowned Sparrow41%
  8. 8Cackling Goose38%
  9. 9Canada Goose38%
  10. 10American Kestrel31%
  11. 11Bald Eagle31%
  12. 12Hooded Merganser31%
  13. 13American Tree Sparrow28%
  14. 14House Finch28%
  15. 15Rock Pigeon28%

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

Winter 37 species

  1. European Starling65%
  2. Red-winged Blackbird65%
  3. Song Sparrow63%
  4. American Tree Sparrow56%
  5. Red-tailed Hawk52%

Spring 58 species

  1. Red-winged Blackbird89%
  2. Common Grackle72%
  3. Western Meadowlark71%
  4. European Starling70%
  5. Mallard69%

Summer 53 species

  1. Barn Swallow85%
  2. Red-winged Blackbird83%
  3. European Starling81%
  4. Mourning Dove74%
  5. Cliff Swallow69%

Fall 40 species

  1. Mallard76%
  2. Red-winged Blackbird67%
  3. European Starling58%
  4. Red-tailed Hawk57%
  5. Eurasian Collared-Dove44%

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.