WhenToBird

Birding spot · Larimer County, Colorado

Birding at Lily Lake: What You'll See Each Week

In November, the birds most often reported at Lily Lake are Mallard (78%), Ring-necked Duck (76%), and Common Raven (55%). It is busiest in summer, when 50 species turn up on at least 1 in 20 checklists, and species counts peak in early August (55 species). 122 species have been reported here across 933 complete checklists from 627 birders.

Species by week

0204060Jan 1-7: low data (2 checklists)Jan 8-14: low data (1 checklists)Jan 15-21: low data (3 checklists)Jan 22-31: low data (4 checklists)Feb 1-7: low data (5 checklists)Feb 8-14: low data (3 checklists)Feb 15-21: low data (1 checklists)Feb 22-28: low data (3 checklists)Mar 1-7: low data (3 checklists)Mar 8-14: low data (1 checklists)Mar 15-21: low data (1 checklists)Mar 22-31: low data (5 checklists)Apr 1-7: low data (2 checklists)Apr 8-14: low data (7 checklists)Apr 15-21: low data (6 checklists)Apr 22-30: 32 species on 5%+ of 11 checklistsMay 1-7: 43 species on 5%+ of 11 checklistsMay 8-14: 34 species on 5%+ of 10 checklistsMay 15-21: 40 species on 5%+ of 28 checklistsMay 22-31: 44 species on 5%+ of 53 checklistsJun 1-7: 50 species on 5%+ of 37 checklistsJun 8-14: 53 species on 5%+ of 51 checklistsJun 15-21: 49 species on 5%+ of 54 checklistsJun 22-30: 44 species on 5%+ of 77 checklistsJul 1-7: 44 species on 5%+ of 46 checklistsJul 8-14: 41 species on 5%+ of 44 checklistsJul 15-21: 47 species on 5%+ of 50 checklistsJul 22-31: 42 species on 5%+ of 54 checklistsAug 1-7: 55 species on 5%+ of 33 checklistsAug 8-14: 49 species on 5%+ of 31 checklistsAug 15-21: 37 species on 5%+ of 22 checklistsAug 22-31: 39 species on 5%+ of 34 checklistsSep 1-7: 38 species on 5%+ of 30 checklistsSep 8-14: 43 species on 5%+ of 33 checklistsSep 15-21: 38 species on 5%+ of 23 checklistsSep 22-30: 34 species on 5%+ of 35 checklistsOct 1-7: 35 species on 5%+ of 36 checklistsOct 8-14: 29 species on 5%+ of 26 checklistsOct 15-21: 25 species on 5%+ of 12 checklistsOct 22-31: low data (6 checklists)Nov 1-7: 19 species on 5%+ of 16 checklistsNov 8-14: low data (6 checklists)Nov 15-21: low data (1 checklists)Nov 22-30: low data (5 checklists)Dec 1-7: low data (2 checklists)Dec 8-14: low data (1 checklists)Dec 15-21: low data (1 checklists)Dec 22-31: low data (7 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. 1Mallard78%
  2. 2Ring-necked Duck76%
  3. 3Common Raven55%
  4. 4Red-winged Blackbird53%
  5. 5American Robin51%
  6. 6Broad-tailed Hummingbird49%
  7. 7Mountain Chickadee47%
  8. 8Yellow-rumped Warbler44%
  9. 9Dark-eyed Junco41%
  10. 10Song Sparrow39%
  11. 11Brewer's Blackbird32%
  12. 12Violet-green Swallow30%
  13. 13Pygmy Nuthatch28%
  14. 14Ruby-crowned Kinglet26%
  15. 15Northern Flicker21%

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 15 species

  1. Common Raven70%
  2. Mountain Chickadee61%
  3. Pygmy Nuthatch39%
  4. White-breasted Nuthatch24%
  5. Clark's Nutcracker18%

Spring 42 species

  1. Ring-necked Duck86%
  2. Mallard80%
  3. Red-winged Blackbird62%
  4. American Robin59%
  5. Brewer's Blackbird53%

Summer 50 species

  1. Mallard90%
  2. Ring-necked Duck86%
  3. Red-winged Blackbird75%
  4. Broad-tailed Hummingbird73%
  5. American Robin60%

Fall 37 species

  1. Common Raven67%
  2. Mallard61%
  3. Mountain Chickadee56%
  4. Ring-necked Duck56%
  5. Steller's Jay44%

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.