Outer Green Island, Casco Bay
Maine · Northeast
About This Location
Outer Green Island, Casco Bay is a productive birding destination in Maine, with 201 species recorded on eBird. This coastal habitat attracts a wide variety of species among many others. Spring and fall migration bring waves of warblers and shorebirds through the area.
Location
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Notable Species
Live Bird Data
Powered by eBird / Cornell Lab of Ornithology
Notable Sightings
Rare or unusual species spotted nearby in the last 14 days
Baird's Sandpiper
Calidris bairdii
Thick-billed Murre
Uria lomvia
Tricolored Heron x Snowy Egret (hybrid)
Egretta tricolor x thula
Red Knot
Calidris canutus
Yellow-crowned Night Heron
Nyctanassa violacea
Leach's Storm-Petrel
Hydrobates leucorhous
Fox Sparrow (Red)
Passerella iliaca
Least Tern
Sternula antillarum
Red-throated Loon
Gavia stellata
Snowy x Little Egret (hybrid)
Egretta thula x garzetta
Recent Observations
Species reported at this location in the last 14 days
Common Eider
American Oystercatcher
Spotted Sandpiper
Black Guillemot
Laughing Gull
American Herring Gull
Great Black-backed Gull
Common Tern
Double-crested Cormorant
Bald Eagle
Peregrine Falcon
Bank Swallow
American Robin
Song Sparrow
Bonaparte's Gull
Ring-billed Gull
Arctic Tern
Roseate Tern
Snowy Egret
Green Heron
Birding Tips
- 1
Check rocky shorelines and jetties at low tide for shorebirds.
- 2
Scan offshore waters with a spotting scope for seabirds and waterfowl.
- 3
Visit during mid-May for peak warbler migration.