WhenToBird

Birding spot · Arapahoe County, Colorado

Birding at South Platte Pk\ Carson Nature Area (South Platte Reservoir): What You'll See Each Week

In November, the birds most often reported at South Platte Pk\ Carson Nature Area (South Platte Reservoir) are Bufflehead (93%), Common Goldeneye (73%), and American Coot (45%). It is busiest in spring, when 68 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of September (86 species). 144 species have been reported here across 2,027 complete checklists from 699 birders.

Species by week

020406080100Jan 1-7: 37 species on 5%+ of 312 checklistsJan 8-14: 35 species on 5%+ of 213 checklistsJan 15-21: 35 species on 5%+ of 128 checklistsJan 22-31: 35 species on 5%+ of 181 checklistsFeb 1-7: 38 species on 5%+ of 78 checklistsFeb 8-14: 37 species on 5%+ of 82 checklistsFeb 15-21: 36 species on 5%+ of 72 checklistsFeb 22-28: 39 species on 5%+ of 56 checklistsMar 1-7: 39 species on 5%+ of 29 checklistsMar 8-14: 40 species on 5%+ of 18 checklistsMar 15-21: 38 species on 5%+ of 17 checklistsMar 22-31: 42 species on 5%+ of 29 checklistsApr 1-7: 39 species on 5%+ of 11 checklistsApr 8-14: low data (9 checklists)Apr 15-21: low data (9 checklists)Apr 22-30: low data (8 checklists)May 1-7: 61 species on 5%+ of 28 checklistsMay 8-14: 85 species on 5%+ of 24 checklistsMay 15-21: low data (3 checklists)May 22-31: low data (5 checklists)Jun 1-7: low data (2 checklists)Jun 8-14: low data (5 checklists)Jun 15-21: low data (5 checklists)Jun 22-30: low data (3 checklists)Jul 1-7: low data (1 checklists)Jul 8-14: low data (2 checklists)Jul 15-21: low data (2 checklists)Jul 22-31: low data (2 checklists)Aug 1-7: low data (1 checklists)Aug 8-14: low data (2 checklists)Aug 15-21: low data (0 checklists)Aug 22-31: low data (0 checklists)Sep 1-7: low data (1 checklists)Sep 8-14: 86 species on 5%+ of 20 checklistsSep 15-21: low data (1 checklists)Sep 22-30: low data (3 checklists)Oct 1-7: low data (5 checklists)Oct 8-14: 27 species on 5%+ of 31 checklistsOct 15-21: 39 species on 5%+ of 17 checklistsOct 22-31: 46 species on 5%+ of 28 checklistsNov 1-7: 35 species on 5%+ of 41 checklistsNov 8-14: 36 species on 5%+ of 71 checklistsNov 15-21: 34 species on 5%+ of 71 checklistsNov 22-30: 36 species on 5%+ of 92 checklistsDec 1-7: 34 species on 5%+ of 82 checklistsDec 8-14: 37 species on 5%+ of 58 checklistsDec 15-21: 41 species on 5%+ of 77 checklistsDec 22-31: 44 species on 5%+ of 92 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. 1Bufflehead93%
  2. 2Common Goldeneye73%
  3. 3American Coot45%
  4. 4Ruddy Duck44%
  5. 5Canada Goose43%
  6. 6Lesser Scaup37%
  7. 7Mallard36%
  8. 8Ring-billed Gull32%
  9. 9Surf Scoter31%
  10. 10Pied-billed Grebe31%
  11. 11Hooded Merganser30%
  12. 12Black Scoter28%
  13. 13American Crow27%
  14. 14Gadwall26%
  15. 15Rock Pigeon26%

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. Common Goldeneye91%
  2. Bufflehead75%
  3. Ring-billed Gull65%
  4. Hooded Merganser61%
  5. Common Merganser55%

Spring 68 species

  1. Common Goldeneye58%
  2. Bufflehead57%
  3. Mallard46%
  4. Canada Goose42%
  5. Gadwall36%

Summer 0 species

    Fall 46 species

    1. Bufflehead75%
    2. Common Goldeneye53%
    3. Mallard40%
    4. American Coot39%
    5. Canada Goose35%

    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.