Birding spot · Cumberland County, Maine
Birding at Mackworth Island State Park: What You'll See Each Week In November, the birds most often reported at Mackworth Island State Park are Bufflehead (90%), American Herring Gull (80%), and Common Eider (80%). It is busiest in fall, when 66 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (84 species). 152 species have been reported here across 1,053 complete checklists from 349 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 48 species on 5%+ of 20 checklists Jan 8-14: 36 species on 5%+ of 20 checklists Jan 15-21: 35 species on 5%+ of 16 checklists Jan 22-31: 42 species on 5%+ of 15 checklists Feb 1-7: 40 species on 5%+ of 17 checklists Feb 8-14: 30 species on 5%+ of 20 checklists Feb 15-21: 44 species on 5%+ of 18 checklists Feb 22-28: 39 species on 5%+ of 18 checklists Mar 1-7: 39 species on 5%+ of 15 checklists Mar 8-14: 31 species on 5%+ of 13 checklists Mar 15-21: 37 species on 5%+ of 30 checklists Mar 22-31: 34 species on 5%+ of 24 checklists Apr 1-7: 45 species on 5%+ of 31 checklists Apr 8-14: 45 species on 5%+ of 27 checklists Apr 15-21: 50 species on 5%+ of 23 checklists Apr 22-30: 53 species on 5%+ of 19 checklists May 1-7: 39 species on 5%+ of 21 checklists May 8-14: 84 species on 5%+ of 17 checklists May 15-21: 62 species on 5%+ of 21 checklists May 22-31: 72 species on 5%+ of 15 checklists Jun 1-7: 46 species on 5%+ of 21 checklists Jun 8-14: 51 species on 5%+ of 15 checklists Jun 15-21: 50 species on 5%+ of 19 checklists Jun 22-30: 46 species on 5%+ of 18 checklists Jul 1-7: 49 species on 5%+ of 15 checklists Jul 8-14: 53 species on 5%+ of 15 checklists Jul 15-21: 51 species on 5%+ of 19 checklists Jul 22-31: 48 species on 5%+ of 27 checklists Aug 1-7: 52 species on 5%+ of 18 checklists Aug 8-14: 54 species on 5%+ of 20 checklists Aug 15-21: 50 species on 5%+ of 14 checklists Aug 22-31: 55 species on 5%+ of 34 checklists Sep 1-7: 57 species on 5%+ of 25 checklists Sep 8-14: 56 species on 5%+ of 29 checklists Sep 15-21: 64 species on 5%+ of 25 checklists Sep 22-30: 69 species on 5%+ of 36 checklists Oct 1-7: 70 species on 5%+ of 17 checklists Oct 8-14: 54 species on 5%+ of 23 checklists Oct 15-21: 49 species on 5%+ of 23 checklists Oct 22-31: 60 species on 5%+ of 38 checklists Nov 1-7: 43 species on 5%+ of 26 checklists Nov 8-14: 37 species on 5%+ of 24 checklists Nov 15-21: 39 species on 5%+ of 32 checklists Nov 22-30: 37 species on 5%+ of 26 checklists Dec 1-7: 39 species on 5%+ of 24 checklists Dec 8-14: 40 species on 5%+ of 27 checklists Dec 15-21: 44 species on 5%+ of 14 checklists Dec 22-31: 36 species on 5%+ of 29 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 Bufflehead 90% 2 American Herring Gull 80% 3 Common Eider 80% 4 American Crow 76% 5 Common Loon 69% 6 Red-breasted Merganser 69% 7 American Black Duck 60% 8 Horned Grebe 60% 9 Black-capped Chickadee 58% 10 Double-crested Cormorant 46% 11 Ring-billed Gull 45% 12 Surf Scoter 42% 13 Song Sparrow 39% 14 American Goldfinch 34% 15 White-throated Sparrow 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 Maine.
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 .
Bufflehead90%
American Herring Gull80%
Common Eider80%
American Crow76%
Common Loon69%
Red-breasted Merganser69%
American Black Duck60%
Horned Grebe60%
Black-capped Chickadee58%
Double-crested Cormorant46%
Ring-billed Gull45%
Surf Scoter42%
Song Sparrow39%
American Goldfinch34%
White-throated Sparrow34%