WhenToBird

Birding spot · Hampshire County, Massachusetts

Birding at Connecticut River Reservoir: What You'll See Each Week

In November, the birds most often reported at Connecticut River Reservoir are Ring-billed Gull (95%), Canada Goose (82%), and Mallard (61%). It is busiest in summer, when 52 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of June (60 species). 122 species have been reported here across 1,745 complete checklists from 129 birders.

Species by week

0204060Jan 1-7: 23 species on 5%+ of 51 checklistsJan 8-14: 25 species on 5%+ of 47 checklistsJan 15-21: 25 species on 5%+ of 39 checklistsJan 22-31: 29 species on 5%+ of 74 checklistsFeb 1-7: 20 species on 5%+ of 46 checklistsFeb 8-14: 30 species on 5%+ of 54 checklistsFeb 15-21: 35 species on 5%+ of 18 checklistsFeb 22-28: 30 species on 5%+ of 35 checklistsMar 1-7: 25 species on 5%+ of 56 checklistsMar 8-14: 23 species on 5%+ of 21 checklistsMar 15-21: 34 species on 5%+ of 14 checklistsMar 22-31: 31 species on 5%+ of 12 checklistsApr 1-7: low data (7 checklists)Apr 8-14: low data (2 checklists)Apr 15-21: low data (6 checklists)Apr 22-30: 39 species on 5%+ of 29 checklistsMay 1-7: 47 species on 5%+ of 18 checklistsMay 8-14: 38 species on 5%+ of 11 checklistsMay 15-21: 48 species on 5%+ of 16 checklistsMay 22-31: 46 species on 5%+ of 29 checklistsJun 1-7: 47 species on 5%+ of 25 checklistsJun 8-14: 60 species on 5%+ of 20 checklistsJun 15-21: 49 species on 5%+ of 47 checklistsJun 22-30: 47 species on 5%+ of 53 checklistsJul 1-7: 50 species on 5%+ of 38 checklistsJul 8-14: 50 species on 5%+ of 36 checklistsJul 15-21: 54 species on 5%+ of 40 checklistsJul 22-31: 53 species on 5%+ of 74 checklistsAug 1-7: 46 species on 5%+ of 54 checklistsAug 8-14: 40 species on 5%+ of 42 checklistsAug 15-21: 51 species on 5%+ of 57 checklistsAug 22-31: 46 species on 5%+ of 84 checklistsSep 1-7: 48 species on 5%+ of 56 checklistsSep 8-14: 42 species on 5%+ of 57 checklistsSep 15-21: 34 species on 5%+ of 32 checklistsSep 22-30: 36 species on 5%+ of 32 checklistsOct 1-7: 38 species on 5%+ of 27 checklistsOct 8-14: 36 species on 5%+ of 54 checklistsOct 15-21: 22 species on 5%+ of 21 checklistsOct 22-31: 33 species on 5%+ of 76 checklistsNov 1-7: 29 species on 5%+ of 32 checklistsNov 8-14: 25 species on 5%+ of 29 checklistsNov 15-21: 25 species on 5%+ of 32 checklistsNov 22-30: 21 species on 5%+ of 26 checklistsDec 1-7: 28 species on 5%+ of 38 checklistsDec 8-14: 25 species on 5%+ of 15 checklistsDec 15-21: 26 species on 5%+ of 21 checklistsDec 22-31: 19 species on 5%+ of 42 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. 1Ring-billed Gull95%
  2. 2Canada Goose82%
  3. 3Mallard61%
  4. 4Common Merganser50%
  5. 5American Herring Gull45%
  6. 6American Crow42%
  7. 7Bald Eagle26%
  8. 8Rock Pigeon24%
  9. 9Blue Jay23%
  10. 10Black-capped Chickadee20%
  11. 11Double-crested Cormorant18%
  12. 12Dark-eyed Junco18%
  13. 13Great Blue Heron17%
  14. 14European Starling14%
  15. 15Downy Woodpecker13%

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

Specialties

Birds reported far more often here than across Massachusetts.

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.