WhenToBird

Birding spot · Boulder County, Colorado

Birding at Dodd Reservoir: What You'll See Each Week

In November, the birds most often reported at Dodd Reservoir are Cackling Goose (83%), Canada Goose (81%), and Mallard (52%). It is busiest in summer, when 43 species turn up on at least 1 in 20 checklists, and species counts peak in mid September (55 species). 108 species have been reported here across 841 complete checklists from 253 birders.

Species by week

0204060Jan 1-7: 21 species on 5%+ of 11 checklistsJan 8-14: 15 species on 5%+ of 22 checklistsJan 15-21: 23 species on 5%+ of 11 checklistsJan 22-31: 20 species on 5%+ of 10 checklistsFeb 1-7: 26 species on 5%+ of 18 checklistsFeb 8-14: 20 species on 5%+ of 11 checklistsFeb 15-21: 17 species on 5%+ of 21 checklistsFeb 22-28: 21 species on 5%+ of 10 checklistsMar 1-7: 33 species on 5%+ of 17 checklistsMar 8-14: low data (6 checklists)Mar 15-21: low data (9 checklists)Mar 22-31: 25 species on 5%+ of 13 checklistsApr 1-7: 29 species on 5%+ of 14 checklistsApr 8-14: low data (8 checklists)Apr 15-21: 36 species on 5%+ of 12 checklistsApr 22-30: 50 species on 5%+ of 19 checklistsMay 1-7: 45 species on 5%+ of 13 checklistsMay 8-14: low data (9 checklists)May 15-21: low data (5 checklists)May 22-31: 34 species on 5%+ of 11 checklistsJun 1-7: low data (2 checklists)Jun 8-14: low data (1 checklists)Jun 15-21: low data (2 checklists)Jun 22-30: low data (5 checklists)Jul 1-7: low data (2 checklists)Jul 8-14: low data (1 checklists)Jul 15-21: low data (2 checklists)Jul 22-31: low data (4 checklists)Aug 1-7: low data (0 checklists)Aug 8-14: low data (5 checklists)Aug 15-21: low data (7 checklists)Aug 22-31: low data (4 checklists)Sep 1-7: low data (3 checklists)Sep 8-14: 44 species on 5%+ of 15 checklistsSep 15-21: 55 species on 5%+ of 14 checklistsSep 22-30: 41 species on 5%+ of 13 checklistsOct 1-7: 37 species on 5%+ of 13 checklistsOct 8-14: 31 species on 5%+ of 54 checklistsOct 15-21: 27 species on 5%+ of 48 checklistsOct 22-31: 31 species on 5%+ of 41 checklistsNov 1-7: 32 species on 5%+ of 39 checklistsNov 8-14: 28 species on 5%+ of 71 checklistsNov 15-21: 25 species on 5%+ of 55 checklistsNov 22-30: 26 species on 5%+ of 77 checklistsDec 1-7: 30 species on 5%+ of 35 checklistsDec 8-14: 27 species on 5%+ of 32 checklistsDec 15-21: 29 species on 5%+ of 15 checklistsDec 22-31: 24 species on 5%+ of 31 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. 1Cackling Goose83%
  2. 2Canada Goose81%
  3. 3Mallard52%
  4. 4Snow Goose52%
  5. 5Northern Shoveler43%
  6. 6Red-winged Blackbird39%
  7. 7Ross's Goose37%
  8. 8American Crow27%
  9. 9Greater White-fronted Goose27%
  10. 10Red-tailed Hawk23%
  11. 11Gadwall22%
  12. 12Black-billed Magpie20%
  13. 13European Starling18%
  14. 14Bald Eagle16%
  15. 15American Kestrel13%

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 23 species

  1. Cackling Goose77%
  2. Canada Goose71%
  3. Northern Shoveler49%
  4. Mallard30%
  5. Snow Goose30%

Spring 41 species

  1. Red-winged Blackbird84%
  2. Canada Goose51%
  3. Western Meadowlark49%
  4. Mallard40%
  5. European Starling39%

Summer 43 species

  1. Red-winged Blackbird83%
  2. Barn Swallow69%
  3. Canada Goose57%
  4. European Starling51%
  5. Western Meadowlark51%

Fall 35 species

  1. Canada Goose80%
  2. Mallard63%
  3. Red-winged Blackbird55%
  4. Cackling Goose49%
  5. Northern Shoveler41%

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.