WhenToBird

Birding spot · Bristol County, Massachusetts

Birding at Allens Pond Wildlife Sanctuary: What You'll See Each Week

In November, the birds most often reported at Allens Pond Wildlife Sanctuary are American Black Duck (80%), American Herring Gull (77%), and Bufflehead (77%). It is busiest in spring, when 83 species turn up on at least 1 in 20 checklists, and species counts peak in early June (75 species). 177 species have been reported here across 1,127 complete checklists from 469 birders.

Species by week

020406080Jan 1-7: 50 species on 5%+ of 30 checklistsJan 8-14: 55 species on 5%+ of 11 checklistsJan 15-21: 42 species on 5%+ of 12 checklistsJan 22-31: 65 species on 5%+ of 17 checklistsFeb 1-7: low data (7 checklists)Feb 8-14: low data (4 checklists)Feb 15-21: low data (8 checklists)Feb 22-28: 49 species on 5%+ of 10 checklistsMar 1-7: 56 species on 5%+ of 10 checklistsMar 8-14: 60 species on 5%+ of 17 checklistsMar 15-21: low data (9 checklists)Mar 22-31: 68 species on 5%+ of 19 checklistsApr 1-7: 64 species on 5%+ of 14 checklistsApr 8-14: 69 species on 5%+ of 15 checklistsApr 15-21: 63 species on 5%+ of 22 checklistsApr 22-30: 68 species on 5%+ of 16 checklistsMay 1-7: 70 species on 5%+ of 11 checklistsMay 8-14: 69 species on 5%+ of 67 checklistsMay 15-21: 68 species on 5%+ of 43 checklistsMay 22-31: 70 species on 5%+ of 75 checklistsJun 1-7: 75 species on 5%+ of 52 checklistsJun 8-14: 60 species on 5%+ of 48 checklistsJun 15-21: 59 species on 5%+ of 39 checklistsJun 22-30: 53 species on 5%+ of 54 checklistsJul 1-7: 61 species on 5%+ of 44 checklistsJul 8-14: 71 species on 5%+ of 31 checklistsJul 15-21: 73 species on 5%+ of 37 checklistsJul 22-31: 71 species on 5%+ of 50 checklistsAug 1-7: 69 species on 5%+ of 38 checklistsAug 8-14: 60 species on 5%+ of 24 checklistsAug 15-21: 71 species on 5%+ of 34 checklistsAug 22-31: 62 species on 5%+ of 39 checklistsSep 1-7: 51 species on 5%+ of 24 checklistsSep 8-14: 42 species on 5%+ of 21 checklistsSep 15-21: 51 species on 5%+ of 13 checklistsSep 22-30: 55 species on 5%+ of 17 checklistsOct 1-7: 61 species on 5%+ of 13 checklistsOct 8-14: 62 species on 5%+ of 16 checklistsOct 15-21: low data (9 checklists)Oct 22-31: 69 species on 5%+ of 15 checklistsNov 1-7: low data (9 checklists)Nov 8-14: 50 species on 5%+ of 12 checklistsNov 15-21: 70 species on 5%+ of 14 checklistsNov 22-30: low data (9 checklists)Dec 1-7: low data (6 checklists)Dec 8-14: low data (4 checklists)Dec 15-21: 64 species on 5%+ of 15 checklistsDec 22-31: 54 species on 5%+ of 23 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. 1American Black Duck80%
  2. 2American Herring Gull77%
  3. 3Bufflehead77%
  4. 4Song Sparrow66%
  5. 5Double-crested Cormorant64%
  6. 6Great Blue Heron55%
  7. 7Great Black-backed Gull52%
  8. 8Hooded Merganser52%
  9. 9Ring-billed Gull52%
  10. 10Mallard50%
  11. 11Yellow-rumped Warbler50%
  12. 12Mute Swan48%
  13. 13Northern Harrier48%
  14. 14Turkey Vulture45%
  15. 15Common Loon43%

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 53 species

  1. American Herring Gull82%
  2. American Black Duck78%
  3. Bufflehead65%
  4. Great Black-backed Gull57%
  5. Song Sparrow56%

Spring 83 species

  1. Red-winged Blackbird86%
  2. Osprey76%
  3. American Herring Gull76%
  4. Song Sparrow76%
  5. American Robin74%

Summer 66 species

  1. Osprey92%
  2. Double-crested Cormorant88%
  3. American Herring Gull83%
  4. Song Sparrow83%
  5. Tree Swallow81%

Fall 58 species

  1. Double-crested Cormorant84%
  2. American Herring Gull84%
  3. Great Egret69%
  4. Song Sparrow60%
  5. Great Black-backed Gull53%

Specialties

Birds reported far more often here than across Massachusetts.

  • Seaside Sparrow15% of checklists here vs 0.1% statewide: 238.4×
  • Saltmarsh Sparrow30% of checklists here vs 0.5% statewide: 54.4×
  • Bobolink28% of checklists here vs 1.7% statewide: 16.6×
  • Willet48% of checklists here vs 2.9% statewide: 16.4×
  • Willow Flycatcher20% of checklists here vs 1.3% statewide: 15.3×
  • Common Tern46% of checklists here vs 3.1% statewide: 14.7×
  • Least Tern31% of checklists here vs 2.2% statewide: 14.2×
  • Glossy Ibis8.6% of checklists here vs 0.7% statewide: 12.6×

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.