Castle Island and Pleasure Bay, Suffolk, Massachusetts, US

Jan 11, 2026 8:00 AM – 10:16 AM

Protocol: Traveling

1.045 mile(s)

Checklist Comments:    Joint BBC/BNC Walk

Leaders: Correne George, Neil Calabro, Mike McCarthy & Samuel Harris

Intermediate to Low Tide

Mammal: harbor seal

23 species

Brant (Pale-bellied)  78

Canada Goose  70

American Black Duck  15

Greater Scaup  1    Female

Common Eider (Dresser’s)  80

Surf Scoter  35

White-winged Scoter  6

Long-tailed Duck  20

Bufflehead  12

Common Goldeneye  8

Red-breasted Merganser  40

Rock Pigeon (Feral Pigeon)  20    Including a rufous morph

Dunlin  18

Purple Sandpiper  16    Flock feeding at interface of rocks and outgoing flow from Pleasure Bay

Ring-billed Gull  21

American Herring Gull  50    Estimated

Great Black-backed Gull  4

Red-throated Loon  2

Common Loon  12

Red-tailed Hawk  1

Snowy Owl  1    Male continuing near the runway by red radar dish

Blue Jay  1

European Starling  7

View this checklist online at https://ebird.org/checklist/S294553591

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