Birding spot · Middlesex County, Massachusetts
Birding at Halecyon Lake: What You'll See Each Week In November, the birds most often reported at Halecyon Lake are Blue Jay (91%), American Robin (88%), and Dark-eyed Junco (81%). It is busiest in spring, when 88 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (84 species). 180 species have been reported here across 13,981 complete checklists from 2,766 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 41 species on 5%+ of 129 checklists Jan 8-14: 44 species on 5%+ of 143 checklists Jan 15-21: 39 species on 5%+ of 138 checklists Jan 22-31: 40 species on 5%+ of 147 checklists Feb 1-7: 40 species on 5%+ of 137 checklists Feb 8-14: 36 species on 5%+ of 134 checklists Feb 15-21: 38 species on 5%+ of 162 checklists Feb 22-28: 44 species on 5%+ of 132 checklists Mar 1-7: 44 species on 5%+ of 170 checklists Mar 8-14: 42 species on 5%+ of 195 checklists Mar 15-21: 44 species on 5%+ of 193 checklists Mar 22-31: 45 species on 5%+ of 265 checklists Apr 1-7: 45 species on 5%+ of 211 checklists Apr 8-14: 48 species on 5%+ of 307 checklists Apr 15-21: 55 species on 5%+ of 502 checklists Apr 22-30: 61 species on 5%+ of 1032 checklists May 1-7: 79 species on 5%+ of 1858 checklists May 8-14: 84 species on 5%+ of 2222 checklists May 15-21: 79 species on 5%+ of 1663 checklists May 22-31: 70 species on 5%+ of 856 checklists Jun 1-7: 51 species on 5%+ of 227 checklists Jun 8-14: 48 species on 5%+ of 118 checklists Jun 15-21: 42 species on 5%+ of 84 checklists Jun 22-30: 43 species on 5%+ of 73 checklists Jul 1-7: 44 species on 5%+ of 56 checklists Jul 8-14: 42 species on 5%+ of 57 checklists Jul 15-21: 44 species on 5%+ of 46 checklists Jul 22-31: 39 species on 5%+ of 75 checklists Aug 1-7: 40 species on 5%+ of 60 checklists Aug 8-14: 38 species on 5%+ of 64 checklists Aug 15-21: 48 species on 5%+ of 86 checklists Aug 22-31: 50 species on 5%+ of 182 checklists Sep 1-7: 45 species on 5%+ of 98 checklists Sep 8-14: 49 species on 5%+ of 123 checklists Sep 15-21: 50 species on 5%+ of 163 checklists Sep 22-30: 56 species on 5%+ of 208 checklists Oct 1-7: 56 species on 5%+ of 189 checklists Oct 8-14: 54 species on 5%+ of 161 checklists Oct 15-21: 55 species on 5%+ of 152 checklists Oct 22-31: 46 species on 5%+ of 214 checklists Nov 1-7: 45 species on 5%+ of 214 checklists Nov 8-14: 42 species on 5%+ of 136 checklists Nov 15-21: 38 species on 5%+ of 102 checklists Nov 22-30: 42 species on 5%+ of 111 checklists Dec 1-7: 37 species on 5%+ of 65 checklists Dec 8-14: 40 species on 5%+ of 88 checklists Dec 15-21: 41 species on 5%+ of 93 checklists Dec 22-31: 39 species on 5%+ of 140 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 Blue Jay 91% 2 American Robin 88% 3 Dark-eyed Junco 81% 4 Black-capped Chickadee 80% 5 Northern Cardinal 74% 6 White-throated Sparrow 71% 7 White-breasted Nuthatch 66% 8 Mourning Dove 59% 9 American Goldfinch 58% 10 Red-tailed Hawk 56% 11 Red-bellied Woodpecker 56% 12 Downy Woodpecker 55% 13 Tufted Titmouse 54% 14 European Starling 51% 15 Song Sparrow 48% 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 .
Blue Jay91%
American Robin88%
Dark-eyed Junco81%
Black-capped Chickadee80%
Northern Cardinal74%
White-throated Sparrow71%
White-breasted Nuthatch66%
Mourning Dove59%
American Goldfinch58%
Red-tailed Hawk56%
Red-bellied Woodpecker56%
Downy Woodpecker55%
Tufted Titmouse54%
European Starling51%
Song Sparrow48%