Belle Isle Marsh–John Joseph Kilmartin Pathway, Suffolk, Massachusetts, US

Jun 28, 2026 7:58 AM – 10:06 AM

Protocol: Traveling

0.713 mile(s)

Checklist Comments:    Brookline Bird Club & Boston Nature Center joint bird walk @ Belle Isle Marsh (Winthrop side) 6-28-26 co-led by Correne George, Michael McCarthy, Neil Calabro, & Sam Harris

40 species (+1 other taxa)

Mallard  2

American Black Duck  2

Rock Pigeon (Feral Pigeon)  2

Mourning Dove  16

Chimney Swift  6

American Oystercatcher  8

Black-bellied Plover  1

Killdeer  5

Short-billed Dowitcher (griseus)  1

Willet (Eastern)  15

Greater Yellowlegs  2

peep sp.  1

American Herring Gull  3

Least Tern  6

Common Tern (hirundo/tibetana)  2

Double-crested Cormorant  4

Black-crowned Night Heron  1

Snowy Egret  7

Great Egret  6

Osprey (American)  3

Downy Woodpecker (Eastern)  1

Eastern Warbling Vireo  1

American Crow  2

Tree Swallow  10

Northern Rough-winged Swallow  2

Barn Swallow (American)  8

European Starling  71

Gray Catbird  8

Northern Mockingbird  2

American Robin  25

Cedar Waxwing  14

House Sparrow  15

House Finch  9

American Goldfinch  6

Chipping Sparrow  2

Song Sparrow (melodia/atlantica)  9

Red-winged Blackbird (Red-winged)  17

Brown-headed Cowbird  1

Common Grackle (Bronzed)  27

Northern Yellow Warbler  4

Northern Cardinal  4

View this checklist online at https://ebird.org/checklist/S371348236

Short Beach, Winthrop, Suffolk, Massachusetts, US

Jun 28, 2026 10:07 AM – 10:22 AM
Protocol: Stationary
Checklist Comments:    Brookline Bird Club & Boston Nature Center joint bird walk @ Belle Isle Marsh (Winthrop side) 6-28-26 co-led by Correne George, Michael McCarthy, Neil Calabro, & Sam Harris
9 species
Common Eider (Dresser’s)  27    6 chicks tended by 4 hens
Rock Pigeon (Feral Pigeon)  3
Willet (Eastern)  1
Ring-billed Gull  1
Common Tern (hirundo/tibetana)  1
Common Loon  2
Tree Swallow  2
Barn Swallow (American)  1
Northern Mockingbird  1
View this checklist online at https://ebird.org/checklist/S371348225

Belle Isle Marsh–Morton St., Suffolk, Massachusetts, US

Jun 28, 2026 11:04 AM – 11:44 AM

Protocol: Traveling

0.39 kilometer(s)

Checklist Comments:    Brookline Bird Club & Boston Nature Center joint bird walk @ Belle Isle Marsh (Winthrop side) 6-28-26 co-led by Correne George, Michael McCarthy, Neil Calabro, & Sam Harris

Excursion Walk to the Gazebo & Back 

27 species

Mallard  1    Female

American Black Duck  2    Pair

Rock Pigeon (Feral Pigeon)  3    Headed NE

Mourning Dove  2

Willet (Eastern)  4

American Herring Gull  3

Common Tern (hirundo/tibetana)  2

Double-crested Cormorant  2

Black-crowned Night Heron  1    Foraging in southern panne of Belle Isle. Scope very useful.

Snowy Egret  1

Great Egret  3

Great Blue Heron (Great Blue)  5    Hiding within grasses together near Orient Heights T Repair. Scope needed.

Cooper’s Hawk  1    First Cycle (Juvenile) flew SE

Downy Woodpecker (Eastern)  1

Blue Jay  1    Heard

Tree Swallow  3

Barn Swallow (American)  3

European Starling  20    Estimated. Mumuration of juveniles atop dead tree.

Gray Catbird  1

Northern Mockingbird  1    Very vocal, really taking BBPL to another level!

American Robin  7

House Sparrow  12

American Goldfinch  1

Savannah Sparrow (Savannah)  1    Sang thrice by the Gazebo

Song Sparrow (melodia/atlantica)  2

Red-winged Blackbird (Red-winged)  5

Common Grackle (Bronzed)  2    Males

View this checklist online at https://ebird.org/checklist/S371348247

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