WhenToBird

Birding spot · Worcester County, Massachusetts

Birding at Bolton Flats Wildlife Management Area: What You'll See Each Week

In November, the birds most often reported at Bolton Flats Wildlife Management Area are Blue Jay (83%), Song Sparrow (83%), and Northern Cardinal (75%). It is busiest in spring, when 84 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (87 species). 202 species have been reported here across 4,028 complete checklists from 576 birders.

Species by week

020406080100Jan 1-7: 32 species on 5%+ of 22 checklistsJan 8-14: 38 species on 5%+ of 26 checklistsJan 15-21: 37 species on 5%+ of 24 checklistsJan 22-31: 34 species on 5%+ of 29 checklistsFeb 1-7: 42 species on 5%+ of 36 checklistsFeb 8-14: 43 species on 5%+ of 53 checklistsFeb 15-21: 43 species on 5%+ of 84 checklistsFeb 22-28: 51 species on 5%+ of 83 checklistsMar 1-7: 51 species on 5%+ of 108 checklistsMar 8-14: 52 species on 5%+ of 208 checklistsMar 15-21: 57 species on 5%+ of 241 checklistsMar 22-31: 58 species on 5%+ of 284 checklistsApr 1-7: 64 species on 5%+ of 245 checklistsApr 8-14: 62 species on 5%+ of 237 checklistsApr 15-21: 64 species on 5%+ of 300 checklistsApr 22-30: 71 species on 5%+ of 299 checklistsMay 1-7: 86 species on 5%+ of 242 checklistsMay 8-14: 86 species on 5%+ of 236 checklistsMay 15-21: 87 species on 5%+ of 180 checklistsMay 22-31: 82 species on 5%+ of 170 checklistsJun 1-7: 76 species on 5%+ of 129 checklistsJun 8-14: 73 species on 5%+ of 69 checklistsJun 15-21: 70 species on 5%+ of 35 checklistsJun 22-30: 71 species on 5%+ of 33 checklistsJul 1-7: 64 species on 5%+ of 13 checklistsJul 8-14: 66 species on 5%+ of 13 checklistsJul 15-21: 79 species on 5%+ of 18 checklistsJul 22-31: 77 species on 5%+ of 35 checklistsAug 1-7: 64 species on 5%+ of 29 checklistsAug 8-14: 78 species on 5%+ of 20 checklistsAug 15-21: 78 species on 5%+ of 20 checklistsAug 22-31: 54 species on 5%+ of 21 checklistsSep 1-7: 76 species on 5%+ of 26 checklistsSep 8-14: 71 species on 5%+ of 31 checklistsSep 15-21: 77 species on 5%+ of 30 checklistsSep 22-30: 69 species on 5%+ of 56 checklistsOct 1-7: 64 species on 5%+ of 23 checklistsOct 8-14: 60 species on 5%+ of 36 checklistsOct 15-21: 57 species on 5%+ of 57 checklistsOct 22-31: 62 species on 5%+ of 55 checklistsNov 1-7: 66 species on 5%+ of 16 checklistsNov 8-14: 57 species on 5%+ of 15 checklistsNov 15-21: 47 species on 5%+ of 15 checklistsNov 22-30: 57 species on 5%+ of 29 checklistsDec 1-7: 41 species on 5%+ of 10 checklistsDec 8-14: 44 species on 5%+ of 27 checklistsDec 15-21: 39 species on 5%+ of 29 checklistsDec 22-31: 46 species on 5%+ of 31 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. 1Blue Jay83%
  2. 2Song Sparrow83%
  3. 3Northern Cardinal75%
  4. 4Black-capped Chickadee73%
  5. 5American Goldfinch65%
  6. 6Downy Woodpecker65%
  7. 7Eastern Bluebird63%
  8. 8Swamp Sparrow59%
  9. 9American Robin56%
  10. 10White-breasted Nuthatch55%
  11. 11White-throated Sparrow55%
  12. 12American Crow52%
  13. 13American Tree Sparrow52%
  14. 14Carolina Wren49%
  15. 15Red-bellied Woodpecker49%

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. Black-capped Chickadee67%
  2. Blue Jay62%
  3. Song Sparrow59%
  4. Canada Goose58%
  5. Northern Cardinal55%

Spring 84 species

  1. Red-winged Blackbird92%
  2. Canada Goose90%
  3. Song Sparrow84%
  4. Mallard80%
  5. Killdeer78%

Summer 79 species

  1. Song Sparrow93%
  2. Red-winged Blackbird84%
  3. Common Yellowthroat80%
  4. Gray Catbird78%
  5. American Robin76%

Fall 68 species

  1. Song Sparrow85%
  2. Blue Jay85%
  3. Swamp Sparrow67%
  4. Black-capped Chickadee63%
  5. Downy Woodpecker59%

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.