Birding spot · Suffolk County, Massachusetts
Birding at Back Bay Fens: What You'll See Each Week In November, the birds most often reported at Back Bay Fens are Canada Goose (98%), Blue Jay (93%), and Mallard (91%). It is busiest in spring, when 62 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (66 species). 146 species have been reported here across 2,821 complete checklists from 638 birders.
Species by week 0 20 40 60 80 Jan 1-7: 34 species on 5%+ of 58 checklists Jan 8-14: 37 species on 5%+ of 40 checklists Jan 15-21: 32 species on 5%+ of 49 checklists Jan 22-31: 32 species on 5%+ of 63 checklists Feb 1-7: 33 species on 5%+ of 37 checklists Feb 8-14: 32 species on 5%+ of 32 checklists Feb 15-21: 34 species on 5%+ of 53 checklists Feb 22-28: 34 species on 5%+ of 43 checklists Mar 1-7: 37 species on 5%+ of 35 checklists Mar 8-14: 37 species on 5%+ of 40 checklists Mar 15-21: 37 species on 5%+ of 58 checklists Mar 22-31: 34 species on 5%+ of 89 checklists Apr 1-7: 37 species on 5%+ of 61 checklists Apr 8-14: 44 species on 5%+ of 78 checklists Apr 15-21: 45 species on 5%+ of 63 checklists Apr 22-30: 46 species on 5%+ of 87 checklists May 1-7: 54 species on 5%+ of 97 checklists May 8-14: 66 species on 5%+ of 110 checklists May 15-21: 66 species on 5%+ of 123 checklists May 22-31: 52 species on 5%+ of 78 checklists Jun 1-7: 49 species on 5%+ of 58 checklists Jun 8-14: 37 species on 5%+ of 37 checklists Jun 15-21: 39 species on 5%+ of 36 checklists Jun 22-30: 35 species on 5%+ of 56 checklists Jul 1-7: 36 species on 5%+ of 32 checklists Jul 8-14: 34 species on 5%+ of 30 checklists Jul 15-21: 35 species on 5%+ of 32 checklists Jul 22-31: 36 species on 5%+ of 38 checklists Aug 1-7: 34 species on 5%+ of 26 checklists Aug 8-14: 38 species on 5%+ of 35 checklists Aug 15-21: 40 species on 5%+ of 35 checklists Aug 22-31: 44 species on 5%+ of 49 checklists Sep 1-7: 49 species on 5%+ of 31 checklists Sep 8-14: 48 species on 5%+ of 56 checklists Sep 15-21: 54 species on 5%+ of 71 checklists Sep 22-30: 52 species on 5%+ of 81 checklists Oct 1-7: 47 species on 5%+ of 87 checklists Oct 8-14: 56 species on 5%+ of 105 checklists Oct 15-21: 55 species on 5%+ of 79 checklists Oct 22-31: 53 species on 5%+ of 100 checklists Nov 1-7: 48 species on 5%+ of 53 checklists Nov 8-14: 45 species on 5%+ of 54 checklists Nov 15-21: 46 species on 5%+ of 40 checklists Nov 22-30: 42 species on 5%+ of 66 checklists Dec 1-7: 40 species on 5%+ of 73 checklists Dec 8-14: 39 species on 5%+ of 66 checklists Dec 15-21: 38 species on 5%+ of 57 checklists Dec 22-31: 33 species on 5%+ of 44 checklists Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 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 Canada Goose 98% 2 Blue Jay 93% 3 Mallard 91% 4 White-throated Sparrow 89% 5 Mourning Dove 81% 6 House Sparrow 80% 7 Song Sparrow 79% 8 American Robin 78% 9 Tufted Titmouse 72% 10 Northern Mockingbird 69% 11 European Starling 67% 12 American Black Duck 62% 13 Red-tailed Hawk 62% 14 Northern Cardinal 60% 15 Black-capped Chickadee 60% 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 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 .
Canada Goose98%
Blue Jay93%
Mallard91%
White-throated Sparrow89%
Mourning Dove81%
House Sparrow80%
Song Sparrow79%
American Robin78%
Tufted Titmouse72%
Northern Mockingbird69%
European Starling67%
American Black Duck62%
Red-tailed Hawk62%
Northern Cardinal60%
Black-capped Chickadee60%