WhenToBird

Birding spot · Franklin County, Massachusetts

Birding at Barton Island: What You'll See Each Week

In November, the birds most often reported at Barton Island are Mute Swan (92%), Canada Goose (79%), and Mallard (67%). It is busiest in spring, when 70 species turn up on at least 1 in 20 checklists, and species counts peak in early May (82 species). 147 species have been reported here across 1,218 complete checklists from 225 birders.

Species by week

020406080100Jan 1-7: 36 species on 5%+ of 60 checklistsJan 8-14: 29 species on 5%+ of 29 checklistsJan 15-21: low data (8 checklists)Jan 22-31: 29 species on 5%+ of 29 checklistsFeb 1-7: 39 species on 5%+ of 30 checklistsFeb 8-14: 32 species on 5%+ of 31 checklistsFeb 15-21: 32 species on 5%+ of 10 checklistsFeb 22-28: 44 species on 5%+ of 30 checklistsMar 1-7: 44 species on 5%+ of 56 checklistsMar 8-14: 45 species on 5%+ of 51 checklistsMar 15-21: 48 species on 5%+ of 66 checklistsMar 22-31: 51 species on 5%+ of 77 checklistsApr 1-7: 59 species on 5%+ of 57 checklistsApr 8-14: 60 species on 5%+ of 49 checklistsApr 15-21: 58 species on 5%+ of 41 checklistsApr 22-30: 62 species on 5%+ of 48 checklistsMay 1-7: 82 species on 5%+ of 65 checklistsMay 8-14: 70 species on 5%+ of 25 checklistsMay 15-21: 79 species on 5%+ of 20 checklistsMay 22-31: 70 species on 5%+ of 16 checklistsJun 1-7: low data (7 checklists)Jun 8-14: low data (1 checklists)Jun 15-21: low data (1 checklists)Jun 22-30: low data (2 checklists)Jul 1-7: low data (1 checklists)Jul 8-14: low data (5 checklists)Jul 15-21: low data (5 checklists)Jul 22-31: low data (8 checklists)Aug 1-7: 36 species on 5%+ of 12 checklistsAug 8-14: low data (4 checklists)Aug 15-21: low data (8 checklists)Aug 22-31: low data (9 checklists)Sep 1-7: 30 species on 5%+ of 23 checklistsSep 8-14: 47 species on 5%+ of 13 checklistsSep 15-21: 45 species on 5%+ of 10 checklistsSep 22-30: 43 species on 5%+ of 24 checklistsOct 1-7: 54 species on 5%+ of 20 checklistsOct 8-14: 34 species on 5%+ of 24 checklistsOct 15-21: 51 species on 5%+ of 19 checklistsOct 22-31: 50 species on 5%+ of 34 checklistsNov 1-7: 35 species on 5%+ of 43 checklistsNov 8-14: 37 species on 5%+ of 21 checklistsNov 15-21: 33 species on 5%+ of 13 checklistsNov 22-30: 37 species on 5%+ of 30 checklistsDec 1-7: 38 species on 5%+ of 27 checklistsDec 8-14: 51 species on 5%+ of 20 checklistsDec 15-21: 35 species on 5%+ of 14 checklistsDec 22-31: 26 species on 5%+ of 22 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. 1Mute Swan92%
  2. 2Canada Goose79%
  3. 3Mallard67%
  4. 4American Crow59%
  5. 5Ring-billed Gull55%
  6. 6Blue Jay50%
  7. 7Hooded Merganser38%
  8. 8Ring-necked Duck36%
  9. 9Common Goldeneye33%
  10. 10Black-capped Chickadee31%
  11. 11Common Merganser29%
  12. 12Dark-eyed Junco29%
  13. 13Bald Eagle26%
  14. 14Double-crested Cormorant25%
  15. 15Bufflehead20%

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 39 species

  1. Canada Goose82%
  2. Ring-billed Gull80%
  3. Mute Swan80%
  4. Mallard72%
  5. American Herring Gull54%

Spring 70 species

  1. Canada Goose96%
  2. Mute Swan90%
  3. Song Sparrow64%
  4. Common Merganser63%
  5. Mallard60%

Summer 42 species

  1. Mute Swan92%
  2. Canada Goose81%
  3. Mallard81%
  4. Song Sparrow71%
  5. American Goldfinch56%

Fall 48 species

  1. Mute Swan94%
  2. Canada Goose82%
  3. Mallard78%
  4. Blue Jay55%
  5. American Crow53%

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.