Castle Island and Pleasure Bay, Suffolk, Massachusetts, US
Jul 18, 2026 9:02 AM – 11:33 AM
Protocol: Traveling
1.779 mile(s)
25 species (+1 other taxa)
Canada Goose 1
Rock Pigeon (Feral Pigeon) 1
Mourning Dove 1
Killdeer 2
Razorbill 1 Stunning individual floating not far off Pleasure Bay Beach. A surprising rarity! :O
Ring-billed Gull 4
American Herring Gull 40 Estimate; observed throughout walk
Great Black-backed Gull 2
Common Tern 10 Estimate
Double-crested Cormorant 25 Estimate
Great Egret 3
Great Blue Heron 1
Osprey 2
Red-tailed Hawk 1
Blue Jay 3
American Crow 2
American/Fish Crow 1
Tree Swallow 2
Barn Swallow 25 Estimate; Probably nesting at Castle Island
European Starling 30 Estimate
Northern Mockingbird 6
American Robin 20 Estimate
Cedar Waxwing 5 Flock heard only
House Sparrow 30 Low estimate
Baltimore Oriole 1 Glimpsed bright male flying into nearby tree. Leaves obscured a follow-up sighting
Common Grackle 6
View this checklist online at https://ebird.org/checklist/S378766086
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2026 Daytime Pelagic and Marsh Cruise Program Join us on summer daytime pelagic trips and marsh cruises this summer. Note that these popular trips regularly sell out. Once sold out we will keep a waitlist
8/13 Pelagic Webinar – How do you protect the invisible?
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News Categories
Upcoming Field Trips
Field Trips / Events
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Squantum – Quincy
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Parker River Marsh Cruise
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Millennium Park
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Shorebirds at Winthrop Beach with Soheil Zendeh
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Essex River Marsh Cruise
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