WhenToBird

Birding spot · Middlesex County, Massachusetts

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

In November, the birds most often reported at Cambridge Reservoir are Hooded Merganser (85%), Canada Goose (72%), and Mute Swan (71%). It is busiest in fall, when 43 species turn up on at least 1 in 20 checklists, and species counts peak in late October (46 species). 108 species have been reported here across 1,055 complete checklists from 137 birders.

Species by week

01020304050Jan 1-7: 37 species on 5%+ of 55 checklistsJan 8-14: 35 species on 5%+ of 35 checklistsJan 15-21: 32 species on 5%+ of 19 checklistsJan 22-31: 32 species on 5%+ of 16 checklistsFeb 1-7: low data (9 checklists)Feb 8-14: low data (6 checklists)Feb 15-21: 33 species on 5%+ of 13 checklistsFeb 22-28: 38 species on 5%+ of 17 checklistsMar 1-7: 29 species on 5%+ of 15 checklistsMar 8-14: 42 species on 5%+ of 18 checklistsMar 15-21: 35 species on 5%+ of 28 checklistsMar 22-31: 27 species on 5%+ of 27 checklistsApr 1-7: 37 species on 5%+ of 34 checklistsApr 8-14: 34 species on 5%+ of 35 checklistsApr 15-21: 32 species on 5%+ of 28 checklistsApr 22-30: 40 species on 5%+ of 30 checklistsMay 1-7: 22 species on 5%+ of 22 checklistsMay 8-14: 40 species on 5%+ of 14 checklistsMay 15-21: low data (9 checklists)May 22-31: 32 species on 5%+ of 11 checklistsJun 1-7: low data (6 checklists)Jun 8-14: low data (4 checklists)Jun 15-21: low data (1 checklists)Jun 22-30: low data (5 checklists)Jul 1-7: 39 species on 5%+ of 12 checklistsJul 8-14: low data (7 checklists)Jul 15-21: low data (4 checklists)Jul 22-31: 27 species on 5%+ of 11 checklistsAug 1-7: low data (7 checklists)Aug 8-14: 34 species on 5%+ of 11 checklistsAug 15-21: low data (8 checklists)Aug 22-31: 30 species on 5%+ of 17 checklistsSep 1-7: 41 species on 5%+ of 16 checklistsSep 8-14: low data (8 checklists)Sep 15-21: 36 species on 5%+ of 10 checklistsSep 22-30: 31 species on 5%+ of 16 checklistsOct 1-7: 39 species on 5%+ of 15 checklistsOct 8-14: 42 species on 5%+ of 33 checklistsOct 15-21: 36 species on 5%+ of 35 checklistsOct 22-31: 46 species on 5%+ of 71 checklistsNov 1-7: 44 species on 5%+ of 49 checklistsNov 8-14: 38 species on 5%+ of 42 checklistsNov 15-21: 38 species on 5%+ of 35 checklistsNov 22-30: 39 species on 5%+ of 37 checklistsDec 1-7: 34 species on 5%+ of 37 checklistsDec 8-14: 29 species on 5%+ of 23 checklistsDec 15-21: 30 species on 5%+ of 52 checklistsDec 22-31: 27 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. 1Hooded Merganser85%
  2. 2Canada Goose72%
  3. 3Mute Swan71%
  4. 4Blue Jay50%
  5. 5Mallard49%
  6. 6Ring-billed Gull45%
  7. 7Double-crested Cormorant43%
  8. 8Ring-necked Duck42%
  9. 9Common Merganser33%
  10. 10Bufflehead30%
  11. 11Tufted Titmouse30%
  12. 12American Wigeon29%
  13. 13Black-capped Chickadee26%
  14. 14Ruddy Duck26%
  15. 15American Black Duck21%

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 32 species

  1. Hooded Merganser88%
  2. Canada Goose80%
  3. Ring-necked Duck65%
  4. Mute Swan64%
  5. Common Merganser48%

Spring 40 species

  1. Canada Goose91%
  2. Common Merganser54%
  3. Common Grackle43%
  4. Double-crested Cormorant43%
  5. American Robin39%

Summer 30 species

  1. Canada Goose89%
  2. Double-crested Cormorant84%
  3. Mute Swan61%
  4. Mallard58%
  5. American Robin40%

Fall 43 species

  1. Canada Goose81%
  2. Mute Swan78%
  3. Double-crested Cormorant68%
  4. Blue Jay57%
  5. Mallard56%

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.