WhenToBird

Birding spot · Pueblo County, Colorado

Birding at J N Holland Reservoir Number 2: What You'll See Each Week

In November, the birds most often reported at J N Holland Reservoir Number 2 are Red-winged Blackbird (79%), Killdeer (59%), and Barn Swallow (57%). It is busiest in spring, when 115 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (125 species). 241 species have been reported here across 1,136 complete checklists from 482 birders.

Species by week

050100150Jan 1-7: low data (2 checklists)Jan 8-14: low data (2 checklists)Jan 15-21: low data (1 checklists)Jan 22-31: low data (3 checklists)Feb 1-7: low data (4 checklists)Feb 8-14: low data (3 checklists)Feb 15-21: low data (8 checklists)Feb 22-28: low data (7 checklists)Mar 1-7: low data (1 checklists)Mar 8-14: 51 species on 5%+ of 10 checklistsMar 15-21: low data (6 checklists)Mar 22-31: 57 species on 5%+ of 11 checklistsApr 1-7: 83 species on 5%+ of 11 checklistsApr 8-14: 79 species on 5%+ of 14 checklistsApr 15-21: 77 species on 5%+ of 28 checklistsApr 22-30: 100 species on 5%+ of 67 checklistsMay 1-7: 102 species on 5%+ of 121 checklistsMay 8-14: 117 species on 5%+ of 184 checklistsMay 15-21: 125 species on 5%+ of 180 checklistsMay 22-31: 100 species on 5%+ of 154 checklistsJun 1-7: 94 species on 5%+ of 17 checklistsJun 8-14: low data (5 checklists)Jun 15-21: low data (4 checklists)Jun 22-30: low data (4 checklists)Jul 1-7: low data (2 checklists)Jul 8-14: low data (1 checklists)Jul 15-21: low data (1 checklists)Jul 22-31: low data (1 checklists)Aug 1-7: low data (2 checklists)Aug 8-14: low data (2 checklists)Aug 15-21: 100 species on 5%+ of 16 checklistsAug 22-31: 91 species on 5%+ of 13 checklistsSep 1-7: 107 species on 5%+ of 57 checklistsSep 8-14: 85 species on 5%+ of 45 checklistsSep 15-21: 85 species on 5%+ of 52 checklistsSep 22-30: 87 species on 5%+ of 39 checklistsOct 1-7: 95 species on 5%+ of 16 checklistsOct 8-14: 77 species on 5%+ of 15 checklistsOct 15-21: low data (7 checklists)Oct 22-31: low data (2 checklists)Nov 1-7: low data (3 checklists)Nov 8-14: low data (1 checklists)Nov 15-21: low data (2 checklists)Nov 22-30: low data (3 checklists)Dec 1-7: low data (7 checklists)Dec 8-14: low data (0 checklists)Dec 15-21: low data (0 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. 1Red-winged Blackbird79%
  2. 2Killdeer59%
  3. 3Barn Swallow57%
  4. 4American Robin56%
  5. 5European Starling53%
  6. 6American Coot52%
  7. 7Canada Goose49%
  8. 8Northern Yellow Warbler47%
  9. 9Western Meadowlark46%
  10. 10Western Kingbird46%
  11. 11Common Yellowthroat46%
  12. 12Yellow-rumped Warbler43%
  13. 13Bullock's Oriole41%
  14. 14Ladder-backed Woodpecker41%
  15. 15Blue-winged Teal40%

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 43 species

  1. Common Goldeneye72%
  2. Red-winged Blackbird64%
  3. Ring-necked Duck62%
  4. Mallard59%
  5. Canada Goose56%

Spring 115 species

  1. Red-winged Blackbird86%
  2. Canada Goose64%
  3. American Robin64%
  4. Killdeer63%
  5. Northern Yellow Warbler60%

Summer 81 species

  1. Killdeer76%
  2. Red-winged Blackbird76%
  3. Western Kingbird74%
  4. Barn Swallow71%
  5. Mourning Dove60%

Fall 94 species

  1. Wilson's Warbler65%
  2. Red-winged Blackbird58%
  3. Barn Swallow57%
  4. Killdeer51%
  5. European Starling44%

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.