Birding spot · Middlesex County, Massachusetts
Birding at Upper Mystic Lake: What You'll See Each Week In November, the birds most often reported at Upper Mystic Lake are Mallard (89%), Blue Jay (74%), and Dark-eyed Junco (73%). It is busiest in spring, when 58 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (67 species). 141 species have been reported here across 2,590 complete checklists from 207 birders.
Species by week 0 20 40 60 80 Jan 1-7: 33 species on 5%+ of 42 checklists Jan 8-14: 30 species on 5%+ of 36 checklists Jan 15-21: 31 species on 5%+ of 25 checklists Jan 22-31: 31 species on 5%+ of 43 checklists Feb 1-7: 34 species on 5%+ of 31 checklists Feb 8-14: 32 species on 5%+ of 28 checklists Feb 15-21: 38 species on 5%+ of 33 checklists Feb 22-28: 36 species on 5%+ of 39 checklists Mar 1-7: 35 species on 5%+ of 36 checklists Mar 8-14: 36 species on 5%+ of 41 checklists Mar 15-21: 34 species on 5%+ of 50 checklists Mar 22-31: 36 species on 5%+ of 58 checklists Apr 1-7: 41 species on 5%+ of 34 checklists Apr 8-14: 44 species on 5%+ of 42 checklists Apr 15-21: 48 species on 5%+ of 59 checklists Apr 22-30: 52 species on 5%+ of 96 checklists May 1-7: 58 species on 5%+ of 94 checklists May 8-14: 60 species on 5%+ of 84 checklists May 15-21: 67 species on 5%+ of 55 checklists May 22-31: 48 species on 5%+ of 62 checklists Jun 1-7: 51 species on 5%+ of 44 checklists Jun 8-14: 52 species on 5%+ of 62 checklists Jun 15-21: 52 species on 5%+ of 49 checklists Jun 22-30: 48 species on 5%+ of 58 checklists Jul 1-7: 47 species on 5%+ of 53 checklists Jul 8-14: 45 species on 5%+ of 58 checklists Jul 15-21: 45 species on 5%+ of 48 checklists Jul 22-31: 46 species on 5%+ of 76 checklists Aug 1-7: 45 species on 5%+ of 53 checklists Aug 8-14: 44 species on 5%+ of 53 checklists Aug 15-21: 56 species on 5%+ of 57 checklists Aug 22-31: 51 species on 5%+ of 97 checklists Sep 1-7: 50 species on 5%+ of 48 checklists Sep 8-14: 52 species on 5%+ of 66 checklists Sep 15-21: 52 species on 5%+ of 79 checklists Sep 22-30: 54 species on 5%+ of 92 checklists Oct 1-7: 57 species on 5%+ of 98 checklists Oct 8-14: 48 species on 5%+ of 82 checklists Oct 15-21: 42 species on 5%+ of 54 checklists Oct 22-31: 43 species on 5%+ of 73 checklists Nov 1-7: 40 species on 5%+ of 39 checklists Nov 8-14: 38 species on 5%+ of 49 checklists Nov 15-21: 33 species on 5%+ of 30 checklists Nov 22-30: 34 species on 5%+ of 49 checklists Dec 1-7: 38 species on 5%+ of 37 checklists Dec 8-14: 37 species on 5%+ of 30 checklists Dec 15-21: 29 species on 5%+ of 26 checklists Dec 22-31: 34 species on 5%+ of 42 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 Mallard 89% 2 Blue Jay 74% 3 Dark-eyed Junco 73% 4 Mute Swan 60% 5 Black-capped Chickadee 59% 6 American Robin 50% 7 Canada Goose 48% 8 Mourning Dove 44% 9 Great Blue Heron 44% 10 Downy Woodpecker 40% 11 American Goldfinch 38% 12 Hooded Merganser 37% 13 Tufted Titmouse 35% 14 White-breasted Nuthatch 34% 15 Ring-billed Gull 33% 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 .
Mallard89%
Blue Jay74%
Dark-eyed Junco73%
Mute Swan60%
Black-capped Chickadee59%
American Robin50%
Canada Goose48%
Mourning Dove44%
Great Blue Heron44%
Downy Woodpecker40%
American Goldfinch38%
Hooded Merganser37%
Tufted Titmouse35%
White-breasted Nuthatch34%
Ring-billed Gull33%