WhenToBird

Birding spot · Larimer County, Colorado

Birding at Arapaho Bend Natural Area (Boxelder Creek): What You'll See Each Week

In November, the birds most often reported at Arapaho Bend Natural Area (Boxelder Creek) are Ring-billed Gull (89%), Mallard (73%), and Common Merganser (69%). It is busiest in spring, when 83 species turn up on at least 1 in 20 checklists, and species counts peak in early May (89 species). 199 species have been reported here across 1,187 complete checklists from 401 birders.

Species by week

020406080100Jan 1-7: 35 species on 5%+ of 15 checklistsJan 8-14: 35 species on 5%+ of 15 checklistsJan 15-21: 40 species on 5%+ of 18 checklistsJan 22-31: 33 species on 5%+ of 23 checklistsFeb 1-7: 47 species on 5%+ of 15 checklistsFeb 8-14: 28 species on 5%+ of 21 checklistsFeb 15-21: low data (9 checklists)Feb 22-28: 30 species on 5%+ of 35 checklistsMar 1-7: 32 species on 5%+ of 25 checklistsMar 8-14: low data (9 checklists)Mar 15-21: 54 species on 5%+ of 20 checklistsMar 22-31: 47 species on 5%+ of 41 checklistsApr 1-7: 73 species on 5%+ of 35 checklistsApr 8-14: 71 species on 5%+ of 58 checklistsApr 15-21: 81 species on 5%+ of 40 checklistsApr 22-30: 75 species on 5%+ of 61 checklistsMay 1-7: 89 species on 5%+ of 50 checklistsMay 8-14: 73 species on 5%+ of 41 checklistsMay 15-21: 73 species on 5%+ of 32 checklistsMay 22-31: 64 species on 5%+ of 47 checklistsJun 1-7: 73 species on 5%+ of 15 checklistsJun 8-14: 60 species on 5%+ of 13 checklistsJun 15-21: 61 species on 5%+ of 16 checklistsJun 22-30: 62 species on 5%+ of 14 checklistsJul 1-7: 66 species on 5%+ of 14 checklistsJul 8-14: 58 species on 5%+ of 19 checklistsJul 15-21: 69 species on 5%+ of 14 checklistsJul 22-31: 56 species on 5%+ of 24 checklistsAug 1-7: 54 species on 5%+ of 22 checklistsAug 8-14: 70 species on 5%+ of 15 checklistsAug 15-21: 68 species on 5%+ of 14 checklistsAug 22-31: 59 species on 5%+ of 34 checklistsSep 1-7: 53 species on 5%+ of 25 checklistsSep 8-14: low data (9 checklists)Sep 15-21: 57 species on 5%+ of 30 checklistsSep 22-30: 64 species on 5%+ of 34 checklistsOct 1-7: 76 species on 5%+ of 17 checklistsOct 8-14: 63 species on 5%+ of 20 checklistsOct 15-21: 58 species on 5%+ of 40 checklistsOct 22-31: 46 species on 5%+ of 31 checklistsNov 1-7: 68 species on 5%+ of 18 checklistsNov 8-14: 62 species on 5%+ of 19 checklistsNov 15-21: 47 species on 5%+ of 31 checklistsNov 22-30: 50 species on 5%+ of 29 checklistsDec 1-7: 41 species on 5%+ of 17 checklistsDec 8-14: 52 species on 5%+ of 20 checklistsDec 15-21: low data (9 checklists)Dec 22-31: 44 species on 5%+ of 14 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 Gull89%
  2. 2Mallard73%
  3. 3Common Merganser69%
  4. 4Bald Eagle66%
  5. 5Canada Goose64%
  6. 6Common Goldeneye61%
  7. 7Red-winged Blackbird61%
  8. 8American Herring Gull58%
  9. 9Red-tailed Hawk49%
  10. 10Song Sparrow49%
  11. 11House Finch47%
  12. 12Black-capped Chickadee45%
  13. 13Northern Flicker43%
  14. 14Western Grebe41%
  15. 15Belted Kingfisher39%

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 36 species

  1. Mallard84%
  2. Canada Goose73%
  3. Bald Eagle61%
  4. Common Goldeneye59%
  5. Red-tailed Hawk54%

Spring 83 species

  1. Mallard89%
  2. Red-winged Blackbird88%
  3. American Robin79%
  4. Canada Goose69%
  5. Killdeer63%

Summer 60 species

  1. Northern House Wren84%
  2. American Goldfinch78%
  3. Red-winged Blackbird78%
  4. Black-capped Chickadee71%
  5. Double-crested Cormorant67%

Fall 63 species

  1. Ring-billed Gull78%
  2. Mallard69%
  3. Canada Goose65%
  4. Black-capped Chickadee63%
  5. Red-winged Blackbird62%

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.