Great Meadows NWR–Concord Unit, Middlesex, Massachusetts, US
Oct 9, 2021 8:00 AM – 11:20 AM
Protocol: Traveling
3.0 mile(s)
Checklist Comments:    Brookline Bird Club walk lead by Jonathan Center
21 species
Canada Goose  40
Mute Swan  5
Wood Duck  12
Mallard  6
Pied-billed Grebe  1
Double-crested Cormorant  100    migrating flocking overhead flying in a V formation
Great Blue Heron  3
Northern Harrier  1
Red-bellied Woodpecker  1
Downy Woodpecker  1
Hairy Woodpecker  1
Merlin  1
Blue Jay  6
Black-capped Chickadee  3
White-breasted Nuthatch  2
Song Sparrow  16
Swamp Sparrow  2
Red-winged Blackbird  1
Brown-headed Cowbird  2
Common Grackle  12
Yellow-rumped Warbler  6
View this checklist online at https://ebird.org/checklist/S96817885