WhenToBird

Birding spot · Bent County, Colorado

Birding at John Martin Reservoir State Park: What You'll See Each Week

In November, the birds most often reported at John Martin Reservoir State Park are American Wigeon (85%), Canada Goose (81%), and American Coot (79%). It is busiest in spring, when 99 species turn up on at least 1 in 20 checklists, and species counts peak in early May (111 species). 241 species have been reported here across 1,079 complete checklists from 522 birders.

Species by week

0255075100125Jan 1-7: 65 species on 5%+ of 12 checklistsJan 8-14: low data (8 checklists)Jan 15-21: 46 species on 5%+ of 11 checklistsJan 22-31: 60 species on 5%+ of 11 checklistsFeb 1-7: 48 species on 5%+ of 17 checklistsFeb 8-14: 68 species on 5%+ of 18 checklistsFeb 15-21: 67 species on 5%+ of 20 checklistsFeb 22-28: low data (9 checklists)Mar 1-7: low data (7 checklists)Mar 8-14: low data (9 checklists)Mar 15-21: low data (1 checklists)Mar 22-31: 66 species on 5%+ of 17 checklistsApr 1-7: 80 species on 5%+ of 17 checklistsApr 8-14: 89 species on 5%+ of 38 checklistsApr 15-21: 78 species on 5%+ of 45 checklistsApr 22-30: 96 species on 5%+ of 78 checklistsMay 1-7: 111 species on 5%+ of 210 checklistsMay 8-14: 96 species on 5%+ of 124 checklistsMay 15-21: 79 species on 5%+ of 74 checklistsMay 22-31: 74 species on 5%+ of 48 checklistsJun 1-7: 73 species on 5%+ of 17 checklistsJun 8-14: low data (9 checklists)Jun 15-21: low data (9 checklists)Jun 22-30: low data (6 checklists)Jul 1-7: low data (9 checklists)Jul 8-14: low data (2 checklists)Jul 15-21: low data (3 checklists)Jul 22-31: low data (5 checklists)Aug 1-7: low data (7 checklists)Aug 8-14: 44 species on 5%+ of 10 checklistsAug 15-21: 59 species on 5%+ of 11 checklistsAug 22-31: 94 species on 5%+ of 19 checklistsSep 1-7: 69 species on 5%+ of 11 checklistsSep 8-14: 92 species on 5%+ of 12 checklistsSep 15-21: 79 species on 5%+ of 17 checklistsSep 22-30: 77 species on 5%+ of 32 checklistsOct 1-7: 78 species on 5%+ of 13 checklistsOct 8-14: 55 species on 5%+ of 10 checklistsOct 15-21: 75 species on 5%+ of 12 checklistsOct 22-31: 66 species on 5%+ of 22 checklistsNov 1-7: 84 species on 5%+ of 17 checklistsNov 8-14: 83 species on 5%+ of 11 checklistsNov 15-21: low data (6 checklists)Nov 22-30: 62 species on 5%+ of 13 checklistsDec 1-7: low data (9 checklists)Dec 8-14: low data (6 checklists)Dec 15-21: low data (5 checklists)Dec 22-31: low data (2 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. 1American Wigeon85%
  2. 2Canada Goose81%
  3. 3American Coot79%
  4. 4Bufflehead74%
  5. 5Gadwall68%
  6. 6Northern Flicker68%
  7. 7Ring-billed Gull64%
  8. 8Redhead62%
  9. 9Ruddy Duck62%
  10. 10White-crowned Sparrow62%
  11. 11Lesser Scaup57%
  12. 12Snow Goose57%
  13. 13Common Goldeneye55%
  14. 14Hooded Merganser55%
  15. 15Ring-necked Duck55%

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 59 species

  1. Canada Goose66%
  2. Common Goldeneye54%
  3. American Coot49%
  4. Bald Eagle48%
  5. Northern Flicker45%

Spring 99 species

  1. American Robin78%
  2. Common Grackle71%
  3. Mourning Dove69%
  4. Western Kingbird66%
  5. Turkey Vulture66%

Summer 63 species

  1. Turkey Vulture80%
  2. American Robin78%
  3. Mourning Dove76%
  4. Eurasian Collared-Dove66%
  5. Western Kingbird65%

Fall 84 species

  1. Eurasian Collared-Dove57%
  2. American Robin56%
  3. Northern Flicker53%
  4. Killdeer49%
  5. American Wigeon44%

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.