Birding spot · Middlesex County, Massachusetts
Birding at Mystic Reservoir: What You'll See Each Week In November, the birds most often reported at Mystic Reservoir are House Sparrow (79%), Dark-eyed Junco (72%), and European Starling (67%). It is busiest in spring, when 42 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (59 species). 115 species have been reported here across 1,320 complete checklists from 100 birders.
Species by week 0 20 40 60 Jan 1-7: low data (3 checklists) Jan 8-14: low data (6 checklists) Jan 15-21: 21 species on 5%+ of 15 checklists Jan 22-31: 21 species on 5%+ of 42 checklists Feb 1-7: 25 species on 5%+ of 20 checklists Feb 8-14: 20 species on 5%+ of 22 checklists Feb 15-21: 24 species on 5%+ of 19 checklists Feb 22-28: 24 species on 5%+ of 34 checklists Mar 1-7: 24 species on 5%+ of 29 checklists Mar 8-14: 26 species on 5%+ of 33 checklists Mar 15-21: 31 species on 5%+ of 12 checklists Mar 22-31: 26 species on 5%+ of 36 checklists Apr 1-7: 33 species on 5%+ of 34 checklists Apr 8-14: 43 species on 5%+ of 57 checklists Apr 15-21: 31 species on 5%+ of 43 checklists Apr 22-30: 37 species on 5%+ of 51 checklists May 1-7: 46 species on 5%+ of 43 checklists May 8-14: 55 species on 5%+ of 19 checklists May 15-21: 59 species on 5%+ of 31 checklists May 22-31: 49 species on 5%+ of 15 checklists Jun 1-7: low data (7 checklists) Jun 8-14: 31 species on 5%+ of 13 checklists Jun 15-21: low data (6 checklists) Jun 22-30: low data (8 checklists) Jul 1-7: low data (1 checklists) Jul 8-14: 26 species on 5%+ of 11 checklists Jul 15-21: low data (6 checklists) Jul 22-31: low data (5 checklists) Aug 1-7: 30 species on 5%+ of 11 checklists Aug 8-14: low data (1 checklists) Aug 15-21: low data (2 checklists) Aug 22-31: 24 species on 5%+ of 10 checklists Sep 1-7: 23 species on 5%+ of 44 checklists Sep 8-14: 26 species on 5%+ of 49 checklists Sep 15-21: 24 species on 5%+ of 50 checklists Sep 22-30: 39 species on 5%+ of 51 checklists Oct 1-7: 42 species on 5%+ of 55 checklists Oct 8-14: 40 species on 5%+ of 42 checklists Oct 15-21: 42 species on 5%+ of 44 checklists Oct 22-31: 37 species on 5%+ of 66 checklists Nov 1-7: 41 species on 5%+ of 48 checklists Nov 8-14: 35 species on 5%+ of 29 checklists Nov 15-21: 30 species on 5%+ of 23 checklists Nov 22-30: 28 species on 5%+ of 30 checklists Dec 1-7: 25 species on 5%+ of 87 checklists Dec 8-14: 26 species on 5%+ of 34 checklists Dec 15-21: 23 species on 5%+ of 21 checklists Dec 22-31: low data (2 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 House Sparrow 79% 2 Dark-eyed Junco 72% 3 European Starling 67% 4 Northern Cardinal 55% 5 Rock Pigeon 52% 6 Blue Jay 50% 7 American Robin 46% 8 Black-capped Chickadee 45% 9 Song Sparrow 44% 10 Northern Mockingbird 38% 11 Mourning Dove 37% 12 American Goldfinch 36% 13 Red-tailed Hawk 35% 14 American Herring Gull 34% 15 Downy Woodpecker 34% 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 .
House Sparrow79%
Dark-eyed Junco72%
European Starling67%
Northern Cardinal55%
Rock Pigeon52%
Blue Jay50%
American Robin46%
Black-capped Chickadee45%
Song Sparrow44%
Northern Mockingbird38%
Mourning Dove37%
American Goldfinch36%
Red-tailed Hawk35%
American Herring Gull34%
Downy Woodpecker34%