WhenToBird

Birding spot · Larimer County, Colorado

Birding at Boyd Lake State Park: What You'll See Each Week

In November, the birds most often reported at Boyd Lake State Park are Ring-billed Gull (79%), Canada Goose (69%), and Western Grebe (69%). It is busiest in spring, when 87 species turn up on at least 1 in 20 checklists, and species counts peak in early September (104 species). 233 species have been reported here across 2,115 complete checklists from 704 birders.

Species by week

0255075100125Jan 1-7: 52 species on 5%+ of 37 checklistsJan 8-14: 40 species on 5%+ of 11 checklistsJan 15-21: low data (3 checklists)Jan 22-31: 39 species on 5%+ of 11 checklistsFeb 1-7: low data (9 checklists)Feb 8-14: 51 species on 5%+ of 14 checklistsFeb 15-21: 51 species on 5%+ of 14 checklistsFeb 22-28: 46 species on 5%+ of 25 checklistsMar 1-7: 62 species on 5%+ of 20 checklistsMar 8-14: 46 species on 5%+ of 45 checklistsMar 15-21: 52 species on 5%+ of 79 checklistsMar 22-31: 51 species on 5%+ of 73 checklistsApr 1-7: 68 species on 5%+ of 37 checklistsApr 8-14: 71 species on 5%+ of 37 checklistsApr 15-21: 77 species on 5%+ of 68 checklistsApr 22-30: 80 species on 5%+ of 121 checklistsMay 1-7: 95 species on 5%+ of 109 checklistsMay 8-14: 87 species on 5%+ of 159 checklistsMay 15-21: 87 species on 5%+ of 82 checklistsMay 22-31: 86 species on 5%+ of 86 checklistsJun 1-7: 67 species on 5%+ of 44 checklistsJun 8-14: 75 species on 5%+ of 17 checklistsJun 15-21: 75 species on 5%+ of 17 checklistsJun 22-30: low data (8 checklists)Jul 1-7: low data (6 checklists)Jul 8-14: low data (4 checklists)Jul 15-21: low data (4 checklists)Jul 22-31: 69 species on 5%+ of 11 checklistsAug 1-7: 71 species on 5%+ of 56 checklistsAug 8-14: 69 species on 5%+ of 25 checklistsAug 15-21: 60 species on 5%+ of 31 checklistsAug 22-31: 67 species on 5%+ of 63 checklistsSep 1-7: 104 species on 5%+ of 20 checklistsSep 8-14: 69 species on 5%+ of 63 checklistsSep 15-21: 72 species on 5%+ of 55 checklistsSep 22-30: 77 species on 5%+ of 79 checklistsOct 1-7: 63 species on 5%+ of 22 checklistsOct 8-14: 57 species on 5%+ of 55 checklistsOct 15-21: 52 species on 5%+ of 97 checklistsOct 22-31: 70 species on 5%+ of 52 checklistsNov 1-7: 60 species on 5%+ of 46 checklistsNov 8-14: 57 species on 5%+ of 38 checklistsNov 15-21: 62 species on 5%+ of 16 checklistsNov 22-30: 58 species on 5%+ of 42 checklistsDec 1-7: 61 species on 5%+ of 66 checklistsDec 8-14: 58 species on 5%+ of 68 checklistsDec 15-21: 57 species on 5%+ of 29 checklistsDec 22-31: 50 species on 5%+ of 41 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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. 1Ring-billed Gull79%
  2. 2Canada Goose69%
  3. 3Western Grebe69%
  4. 4American Coot68%
  5. 5Mallard65%
  6. 6Black-capped Chickadee47%
  7. 7American Herring Gull44%
  8. 8American White Pelican44%
  9. 9American Robin42%
  10. 10Northern Flicker42%
  11. 11California Gull41%
  12. 12Red-tailed Hawk41%
  13. 13Blue Jay40%
  14. 14American Kestrel38%
  15. 15Bald Eagle35%

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 60 species

  1. Ring-billed Gull80%
  2. Canada Goose75%
  3. Common Goldeneye68%
  4. Common Merganser65%
  5. Bald Eagle62%

Spring 87 species

  1. Mallard84%
  2. Canada Goose81%
  3. American Robin72%
  4. Red-winged Blackbird69%
  5. Killdeer67%

Summer 75 species

  1. Ring-billed Gull79%
  2. Canada Goose78%
  3. Mallard73%
  4. Great Blue Heron72%
  5. Killdeer71%

Fall 72 species

  1. Ring-billed Gull88%
  2. Western Grebe77%
  3. Canada Goose67%
  4. Mallard65%
  5. American Coot62%

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.