Birding spot · Coos County, New Hampshire
Birding at Airport Marsh Reservoir: What You'll See Each Week In November, the birds most often reported at Airport Marsh Reservoir are Hooded Merganser (54%), American Crow (50%), and Blue Jay (35%). It is busiest in spring, when 69 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (81 species). 149 species have been reported here across 1,437 complete checklists from 356 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: low data (5 checklists) Jan 8-14: low data (0 checklists) Jan 15-21: low data (0 checklists) Jan 22-31: low data (0 checklists) Feb 1-7: low data (1 checklists) Feb 8-14: low data (3 checklists) Feb 15-21: low data (0 checklists) Feb 22-28: low data (2 checklists) Mar 1-7: low data (7 checklists) Mar 8-14: 16 species on 5%+ of 11 checklists Mar 15-21: 15 species on 5%+ of 12 checklists Mar 22-31: 23 species on 5%+ of 29 checklists Apr 1-7: 25 species on 5%+ of 32 checklists Apr 8-14: 32 species on 5%+ of 52 checklists Apr 15-21: 40 species on 5%+ of 47 checklists Apr 22-30: 44 species on 5%+ of 67 checklists May 1-7: 57 species on 5%+ of 60 checklists May 8-14: 81 species on 5%+ of 88 checklists May 15-21: 70 species on 5%+ of 63 checklists May 22-31: 71 species on 5%+ of 109 checklists Jun 1-7: 59 species on 5%+ of 63 checklists Jun 8-14: 57 species on 5%+ of 69 checklists Jun 15-21: 60 species on 5%+ of 57 checklists Jun 22-30: 61 species on 5%+ of 56 checklists Jul 1-7: 53 species on 5%+ of 48 checklists Jul 8-14: 50 species on 5%+ of 52 checklists Jul 15-21: 46 species on 5%+ of 42 checklists Jul 22-31: 58 species on 5%+ of 58 checklists Aug 1-7: 42 species on 5%+ of 46 checklists Aug 8-14: 43 species on 5%+ of 31 checklists Aug 15-21: 47 species on 5%+ of 37 checklists Aug 22-31: 41 species on 5%+ of 59 checklists Sep 1-7: 38 species on 5%+ of 31 checklists Sep 8-14: 25 species on 5%+ of 21 checklists Sep 15-21: 49 species on 5%+ of 18 checklists Sep 22-30: 34 species on 5%+ of 27 checklists Oct 1-7: 37 species on 5%+ of 19 checklists Oct 8-14: 49 species on 5%+ of 19 checklists Oct 15-21: 27 species on 5%+ of 22 checklists Oct 22-31: 37 species on 5%+ of 20 checklists Nov 1-7: 17 species on 5%+ of 25 checklists Nov 8-14: 20 species on 5%+ of 10 checklists Nov 15-21: low data (5 checklists) Nov 22-30: low data (6 checklists) Dec 1-7: low data (3 checklists) Dec 8-14: low data (2 checklists) Dec 15-21: low data (1 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 Hooded Merganser 54% 2 American Crow 50% 3 Blue Jay 35% 4 American Black Duck 33% 5 Bufflehead 28% 6 Great Blue Heron 26% 7 Canada Goose 22% 8 Black-capped Chickadee 17% 9 Common Merganser 17% 10 American Robin 15% 11 Mallard 13% 12 Double-crested Cormorant 11% 13 Pied-billed Grebe 11% 14 Song Sparrow 11% 15 Common Raven 8.7% 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 New Hampshire.
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 .
Hooded Merganser54%
American Crow50%
Blue Jay35%
American Black Duck33%
Bufflehead28%
Great Blue Heron26%
Canada Goose22%
Black-capped Chickadee17%
Common Merganser17%
American Robin15%
Mallard13%
Double-crested Cormorant11%
Pied-billed Grebe11%
Song Sparrow11%
Common Raven8.7%