Birding spot · Middlesex County, Massachusetts
Birding at Mystic River Reservation (Malden River): What You'll See Each Week In November, the birds most often reported at Mystic River Reservation (Malden River) are American Herring Gull (96%), Ring-billed Gull (94%), and Canada Goose (87%). It is busiest in spring, when 64 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (86 species). 159 species have been reported here across 1,044 complete checklists from 180 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 44 species on 5%+ of 37 checklists Jan 8-14: 39 species on 5%+ of 39 checklists Jan 15-21: 42 species on 5%+ of 38 checklists Jan 22-31: 43 species on 5%+ of 38 checklists Feb 1-7: 39 species on 5%+ of 30 checklists Feb 8-14: 39 species on 5%+ of 37 checklists Feb 15-21: 44 species on 5%+ of 38 checklists Feb 22-28: 36 species on 5%+ of 35 checklists Mar 1-7: 44 species on 5%+ of 19 checklists Mar 8-14: 46 species on 5%+ of 15 checklists Mar 15-21: 35 species on 5%+ of 11 checklists Mar 22-31: 46 species on 5%+ of 18 checklists Apr 1-7: 54 species on 5%+ of 14 checklists Apr 8-14: 55 species on 5%+ of 25 checklists Apr 15-21: 51 species on 5%+ of 23 checklists Apr 22-30: 56 species on 5%+ of 31 checklists May 1-7: 73 species on 5%+ of 20 checklists May 8-14: 62 species on 5%+ of 25 checklists May 15-21: 86 species on 5%+ of 18 checklists May 22-31: 56 species on 5%+ of 26 checklists Jun 1-7: 56 species on 5%+ of 16 checklists Jun 8-14: 63 species on 5%+ of 18 checklists Jun 15-21: 44 species on 5%+ of 14 checklists Jun 22-30: low data (9 checklists) Jul 1-7: 49 species on 5%+ of 13 checklists Jul 8-14: low data (9 checklists) Jul 15-21: 48 species on 5%+ of 17 checklists Jul 22-31: 42 species on 5%+ of 13 checklists Aug 1-7: 50 species on 5%+ of 18 checklists Aug 8-14: 45 species on 5%+ of 29 checklists Aug 15-21: 45 species on 5%+ of 20 checklists Aug 22-31: 50 species on 5%+ of 51 checklists Sep 1-7: 43 species on 5%+ of 22 checklists Sep 8-14: 41 species on 5%+ of 11 checklists Sep 15-21: 58 species on 5%+ of 16 checklists Sep 22-30: 66 species on 5%+ of 21 checklists Oct 1-7: 59 species on 5%+ of 23 checklists Oct 8-14: 46 species on 5%+ of 12 checklists Oct 15-21: 55 species on 5%+ of 15 checklists Oct 22-31: 51 species on 5%+ of 18 checklists Nov 1-7: 43 species on 5%+ of 10 checklists Nov 8-14: 41 species on 5%+ of 23 checklists Nov 15-21: 52 species on 5%+ of 16 checklists Nov 22-30: 40 species on 5%+ of 28 checklists Dec 1-7: 56 species on 5%+ of 19 checklists Dec 8-14: 55 species on 5%+ of 16 checklists Dec 15-21: 45 species on 5%+ of 11 checklists Dec 22-31: 52 species on 5%+ of 19 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 American Herring Gull 96% 2 Ring-billed Gull 94% 3 Canada Goose 87% 4 Double-crested Cormorant 84% 5 Song Sparrow 82% 6 Rock Pigeon 81% 7 Great Black-backed Gull 73% 8 White-throated Sparrow 65% 9 Northern Mockingbird 60% 10 Bufflehead 52% 11 Dark-eyed Junco 52% 12 American Black Duck 51% 13 Blue Jay 49% 14 Mallard 49% 15 Great Blue Heron 42% 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 .
American Herring Gull96%
Ring-billed Gull94%
Canada Goose87%
Double-crested Cormorant84%
Song Sparrow82%
Rock Pigeon81%
Great Black-backed Gull73%
White-throated Sparrow65%
Northern Mockingbird60%
Bufflehead52%
Dark-eyed Junco52%
American Black Duck51%
Blue Jay49%
Mallard49%
Great Blue Heron42%