WhenToBird

Birding spot · Denver County, Colorado

Birding at Sand Creek Open Space (Westerly Creek): What You'll See Each Week

In November, the birds most often reported at Sand Creek Open Space (Westerly Creek) are Mallard (83%), Northern Flicker (80%), and Rock Pigeon (66%). It is busiest in spring, when 61 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (65 species). 130 species have been reported here across 891 complete checklists from 127 birders.

Species by week

020406080Jan 1-7: 40 species on 5%+ of 20 checklistsJan 8-14: 40 species on 5%+ of 14 checklistsJan 15-21: 42 species on 5%+ of 15 checklistsJan 22-31: 34 species on 5%+ of 21 checklistsFeb 1-7: 42 species on 5%+ of 17 checklistsFeb 8-14: 45 species on 5%+ of 20 checklistsFeb 15-21: 40 species on 5%+ of 15 checklistsFeb 22-28: 43 species on 5%+ of 15 checklistsMar 1-7: 32 species on 5%+ of 13 checklistsMar 8-14: 31 species on 5%+ of 10 checklistsMar 15-21: 40 species on 5%+ of 16 checklistsMar 22-31: 38 species on 5%+ of 32 checklistsApr 1-7: 47 species on 5%+ of 16 checklistsApr 8-14: 48 species on 5%+ of 35 checklistsApr 15-21: 47 species on 5%+ of 44 checklistsApr 22-30: 59 species on 5%+ of 48 checklistsMay 1-7: 57 species on 5%+ of 23 checklistsMay 8-14: 58 species on 5%+ of 48 checklistsMay 15-21: 65 species on 5%+ of 35 checklistsMay 22-31: 56 species on 5%+ of 47 checklistsJun 1-7: 57 species on 5%+ of 20 checklistsJun 8-14: 49 species on 5%+ of 14 checklistsJun 15-21: 49 species on 5%+ of 12 checklistsJun 22-30: 45 species on 5%+ of 11 checklistsJul 1-7: low data (9 checklists)Jul 8-14: low data (8 checklists)Jul 15-21: low data (6 checklists)Jul 22-31: 49 species on 5%+ of 11 checklistsAug 1-7: low data (9 checklists)Aug 8-14: 55 species on 5%+ of 18 checklistsAug 15-21: 53 species on 5%+ of 14 checklistsAug 22-31: 53 species on 5%+ of 18 checklistsSep 1-7: 48 species on 5%+ of 15 checklistsSep 8-14: 57 species on 5%+ of 39 checklistsSep 15-21: 36 species on 5%+ of 12 checklistsSep 22-30: 46 species on 5%+ of 17 checklistsOct 1-7: 31 species on 5%+ of 23 checklistsOct 8-14: 48 species on 5%+ of 13 checklistsOct 15-21: 36 species on 5%+ of 12 checklistsOct 22-31: 45 species on 5%+ of 20 checklistsNov 1-7: low data (6 checklists)Nov 8-14: low data (5 checklists)Nov 15-21: 36 species on 5%+ of 12 checklistsNov 22-30: 38 species on 5%+ of 12 checklistsDec 1-7: low data (7 checklists)Dec 8-14: 37 species on 5%+ of 10 checklistsDec 15-21: 40 species on 5%+ of 15 checklistsDec 22-31: 42 species on 5%+ of 19 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. 1Mallard83%
  2. 2Northern Flicker80%
  3. 3Rock Pigeon66%
  4. 4Gadwall57%
  5. 5House Finch54%
  6. 6Belted Kingfisher51%
  7. 7Green-winged Teal49%
  8. 8Song Sparrow49%
  9. 9White-crowned Sparrow49%
  10. 10American Crow46%
  11. 11European Starling46%
  12. 12Red-tailed Hawk46%
  13. 13American Kestrel40%
  14. 14Eurasian Collared-Dove40%
  15. 15Black-billed Magpie34%

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 39 species

  1. Mallard94%
  2. Green-winged Teal80%
  3. Gadwall71%
  4. Northern Flicker62%
  5. Rock Pigeon60%

Spring 61 species

  1. Mallard89%
  2. American Robin89%
  3. Red-winged Blackbird83%
  4. European Starling68%
  5. Killdeer67%

Summer 49 species

  1. Snowy Egret93%
  2. Barn Swallow87%
  3. Mallard85%
  4. Mourning Dove81%
  5. House Finch69%

Fall 42 species

  1. Mallard87%
  2. Northern Flicker69%
  3. Rock Pigeon63%
  4. House Finch55%
  5. Belted Kingfisher48%

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.