WhenToBird

Birding spot · Suffolk County, Massachusetts

Birding at Chestnut Hill Reservoir: What You'll See Each Week

In November, the birds most often reported at Chestnut Hill Reservoir are Ruddy Duck (96%), Canada Goose (91%), and American Coot (82%). It is busiest in spring, when 67 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (74 species). 165 species have been reported here across 3,541 complete checklists from 683 birders.

Species by week

020406080Jan 1-7: 34 species on 5%+ of 123 checklistsJan 8-14: 32 species on 5%+ of 55 checklistsJan 15-21: 28 species on 5%+ of 47 checklistsJan 22-31: 25 species on 5%+ of 43 checklistsFeb 1-7: 32 species on 5%+ of 46 checklistsFeb 8-14: 37 species on 5%+ of 40 checklistsFeb 15-21: 29 species on 5%+ of 34 checklistsFeb 22-28: 35 species on 5%+ of 44 checklistsMar 1-7: 33 species on 5%+ of 39 checklistsMar 8-14: 34 species on 5%+ of 53 checklistsMar 15-21: 33 species on 5%+ of 74 checklistsMar 22-31: 39 species on 5%+ of 115 checklistsApr 1-7: 50 species on 5%+ of 80 checklistsApr 8-14: 48 species on 5%+ of 89 checklistsApr 15-21: 50 species on 5%+ of 81 checklistsApr 22-30: 55 species on 5%+ of 160 checklistsMay 1-7: 60 species on 5%+ of 189 checklistsMay 8-14: 68 species on 5%+ of 189 checklistsMay 15-21: 74 species on 5%+ of 197 checklistsMay 22-31: 56 species on 5%+ of 106 checklistsJun 1-7: 53 species on 5%+ of 51 checklistsJun 8-14: 40 species on 5%+ of 17 checklistsJun 15-21: 40 species on 5%+ of 21 checklistsJun 22-30: 38 species on 5%+ of 26 checklistsJul 1-7: 36 species on 5%+ of 22 checklistsJul 8-14: 35 species on 5%+ of 23 checklistsJul 15-21: 33 species on 5%+ of 23 checklistsJul 22-31: 46 species on 5%+ of 39 checklistsAug 1-7: 44 species on 5%+ of 35 checklistsAug 8-14: 38 species on 5%+ of 30 checklistsAug 15-21: 49 species on 5%+ of 39 checklistsAug 22-31: 51 species on 5%+ of 53 checklistsSep 1-7: 54 species on 5%+ of 39 checklistsSep 8-14: 50 species on 5%+ of 65 checklistsSep 15-21: 47 species on 5%+ of 65 checklistsSep 22-30: 52 species on 5%+ of 86 checklistsOct 1-7: 51 species on 5%+ of 99 checklistsOct 8-14: 39 species on 5%+ of 101 checklistsOct 15-21: 41 species on 5%+ of 91 checklistsOct 22-31: 41 species on 5%+ of 114 checklistsNov 1-7: 42 species on 5%+ of 96 checklistsNov 8-14: 39 species on 5%+ of 96 checklistsNov 15-21: 33 species on 5%+ of 86 checklistsNov 22-30: 37 species on 5%+ of 89 checklistsDec 1-7: 33 species on 5%+ of 118 checklistsDec 8-14: 39 species on 5%+ of 75 checklistsDec 15-21: 37 species on 5%+ of 62 checklistsDec 22-31: 32 species on 5%+ of 76 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. 1Ruddy Duck96%
  2. 2Canada Goose91%
  3. 3American Coot82%
  4. 4Ring-necked Duck68%
  5. 5Mallard65%
  6. 6Mute Swan54%
  7. 7Ring-billed Gull53%
  8. 8Blue Jay50%
  9. 9Black-capped Chickadee40%
  10. 10American Herring Gull36%
  11. 11Greater Scaup35%
  12. 12Pied-billed Grebe29%
  13. 13Hooded Merganser27%
  14. 14Golden-crowned Kinglet26%
  15. 15Common Merganser25%

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 34 species

  1. Canada Goose88%
  2. Common Merganser83%
  3. Mute Swan56%
  4. Mallard55%
  5. Hooded Merganser54%

Spring 67 species

  1. American Robin82%
  2. Canada Goose82%
  3. Blue Jay67%
  4. Mallard57%
  5. Ruddy Duck57%

Summer 45 species

  1. Canada Goose90%
  2. Mallard88%
  3. American Robin75%
  4. Double-crested Cormorant66%
  5. Blue Jay65%

Fall 46 species

  1. Canada Goose86%
  2. Ruddy Duck73%
  3. Mallard71%
  4. Blue Jay67%
  5. Mute Swan63%

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.