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

News Categories

Upcoming Field Trips

  • The Quiet Beauty of birding – Winthrop Shore Reservation

    Offered by DCR. Come join us for an up-close look at sea ducks and gulls in action! Observe, share your insights, ask questions, and connect with fellow bird enthusiasts. For adults & children 8+. Children must be with an adult. ADA/Reasonable Accommodation  617-645-0358 | Moneesha.dasgupta2@mass.gov

  • The Quiet Beauty of birding – Lynn Shore & Nahant Beach Reservation

    Offered by DCR. Come join us for an up-close look at sea ducks and gulls in action! Observe, share your insights, ask questions, and connect with fellow bird enthusiasts. For adults & children 8+. Children must be with an adult. ADA/Reasonable Accommodation  617-645-0358 | Moneesha.dasgupta2@mass.gov

  • Belle Isle Marsh and Vicinity

    Led by DCR staff. We will search on foot up to one mile, on flat, easy terrain for snowy owls and other raptors, native sparrows, finches, waterfowl, and other birds. This is a traveling program by car or bike. Prepare for ticks. Ages: Adults and kids 8 years+ with adult chaperone. Binoculars recommended. ADA/Reasonable Accommodations

  • Deer Island & Boston Harbor, Winthrop

    We will search for wintering seabirds, alcids, and Iceland Gulls. Be prepared for cold and wind and dress very warmly. Depending on conditions, we will walk up to 2.6 miles on paved paths. Port-a-potties available midway. Beginners welcome and encouraged. Bad weather or poor walking conditions may cancel - email trip leaders if you are

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