WhenToBird

Birding spot · Middlesex County, Massachusetts

Birding at Mystic River Reservation: What You'll See Each Week

In November, the birds most often reported at Mystic River Reservation are Canada Goose (91%), Blue Jay (90%), and American Robin (85%). It is busiest in spring, when 66 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (71 species). 150 species have been reported here across 1,418 complete checklists from 264 birders.

Species by week

020406080Jan 1-7: 43 species on 5%+ of 23 checklistsJan 8-14: 37 species on 5%+ of 26 checklistsJan 15-21: 39 species on 5%+ of 21 checklistsJan 22-31: 39 species on 5%+ of 25 checklistsFeb 1-7: 41 species on 5%+ of 25 checklistsFeb 8-14: 47 species on 5%+ of 18 checklistsFeb 15-21: 43 species on 5%+ of 24 checklistsFeb 22-28: 39 species on 5%+ of 26 checklistsMar 1-7: 46 species on 5%+ of 28 checklistsMar 8-14: 48 species on 5%+ of 36 checklistsMar 15-21: 44 species on 5%+ of 41 checklistsMar 22-31: 48 species on 5%+ of 54 checklistsApr 1-7: 53 species on 5%+ of 31 checklistsApr 8-14: 56 species on 5%+ of 31 checklistsApr 15-21: 53 species on 5%+ of 31 checklistsApr 22-30: 55 species on 5%+ of 45 checklistsMay 1-7: 68 species on 5%+ of 59 checklistsMay 8-14: 70 species on 5%+ of 76 checklistsMay 15-21: 71 species on 5%+ of 59 checklistsMay 22-31: 54 species on 5%+ of 56 checklistsJun 1-7: 53 species on 5%+ of 38 checklistsJun 8-14: 46 species on 5%+ of 24 checklistsJun 15-21: 44 species on 5%+ of 28 checklistsJun 22-30: 47 species on 5%+ of 33 checklistsJul 1-7: 49 species on 5%+ of 30 checklistsJul 8-14: 41 species on 5%+ of 28 checklistsJul 15-21: 55 species on 5%+ of 12 checklistsJul 22-31: 43 species on 5%+ of 23 checklistsAug 1-7: 49 species on 5%+ of 12 checklistsAug 8-14: 56 species on 5%+ of 16 checklistsAug 15-21: 50 species on 5%+ of 14 checklistsAug 22-31: 48 species on 5%+ of 24 checklistsSep 1-7: 48 species on 5%+ of 14 checklistsSep 8-14: 36 species on 5%+ of 25 checklistsSep 15-21: 59 species on 5%+ of 17 checklistsSep 22-30: 43 species on 5%+ of 22 checklistsOct 1-7: 58 species on 5%+ of 28 checklistsOct 8-14: 61 species on 5%+ of 29 checklistsOct 15-21: 52 species on 5%+ of 23 checklistsOct 22-31: 55 species on 5%+ of 29 checklistsNov 1-7: 45 species on 5%+ of 26 checklistsNov 8-14: 41 species on 5%+ of 25 checklistsNov 15-21: 49 species on 5%+ of 20 checklistsNov 22-30: 47 species on 5%+ of 46 checklistsDec 1-7: 37 species on 5%+ of 22 checklistsDec 8-14: 51 species on 5%+ of 19 checklistsDec 15-21: 43 species on 5%+ of 29 checklistsDec 22-31: 44 species on 5%+ of 27 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. 1Canada Goose91%
  2. 2Blue Jay90%
  3. 3American Robin85%
  4. 4Mallard85%
  5. 5Mute Swan79%
  6. 6Song Sparrow76%
  7. 7American Herring Gull70%
  8. 8Bufflehead70%
  9. 9Northern Cardinal70%
  10. 10Downy Woodpecker68%
  11. 11Ring-billed Gull66%
  12. 12Black-capped Chickadee64%
  13. 13American Goldfinch63%
  14. 14Mourning Dove57%
  15. 15Double-crested Cormorant56%

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 44 species

  1. Canada Goose80%
  2. American Robin78%
  3. Mallard75%
  4. Blue Jay75%
  5. Northern Cardinal71%

Spring 66 species

  1. American Robin96%
  2. Red-winged Blackbird93%
  3. Mallard87%
  4. Common Grackle86%
  5. Canada Goose85%

Summer 47 species

  1. American Robin96%
  2. Mute Swan85%
  3. Gray Catbird83%
  4. Canada Goose81%
  5. Mourning Dove79%

Fall 53 species

  1. American Robin87%
  2. Canada Goose85%
  3. Blue Jay84%
  4. Mallard84%
  5. Mute Swan78%

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.