Wetland birding habitat

Grand Manan - Castalia Marsh

New Brunswick · Canada

Habitat
Wetland
Best Seasons
Difficulty

Moderate

Best Months

May-October

About This Location

Grand Manan - Castalia Marsh is a productive birding destination in New Brunswick, with 264 species recorded on eBird. This wetland habitat attracts American Black Duck, Common Eider, and Common Goldeneye among many others. Boreal and temperate forests host breeding warblers, sparrows, and waterfowl during the productive summer months.

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

American Oystercatcher

Haematopus palliatus

6/14/2026Kent Island2 observed

Iceland Gull

Larus glaucoides

6/10/2026Blacks Harbour-Grand Manan Ferry1 observed

Yellow-crowned Night Heron

Nyctanassa violacea

6/8/2026Hamilton Cove Preserve (MCHT), Lubec1 observed

Recent Observations

Species reported at this location in the last 14 days

American Herring Gull

456/18/2026

American Crow

16/18/2026

Gray Catbird

16/18/2026

Savannah Sparrow

86/18/2026

Song Sparrow

46/18/2026

American Redstart

16/18/2026

Northern Yellow Warbler

26/18/2026

Chestnut-sided Warbler

36/18/2026

American Goldfinch

36/16/2026

Common Yellowthroat

26/16/2026

Canada Goose

66/13/2026

American Black Duck

56/13/2026

Black Scoter

206/13/2026

Common Nighthawk

16/13/2026

Black-crowned Night Heron

36/13/2026

Red-eyed Vireo

16/13/2026

Nelson's Sparrow

26/13/2026

Common Eider

16/10/2026

Red-breasted Merganser

26/10/2026

Mourning Dove

16/10/2026

Birding Tips

  1. 1

    Bring waterproof boots for marsh trails and muddy edges.

  2. 2

    Scan the edges of open water for herons, egrets, and rails at dawn.

  3. 3

    Peak breeding season runs from late May through June for most songbirds.

Frequently Asked Questions

When is the best time to visit Grand Manan - Castalia Marsh for birding?
The best months to visit Grand Manan - Castalia Marsh for birding are May-October. The best seasons are Spring and Summer and Fall.
What birds can I see at Grand Manan - Castalia Marsh?
Notable species at Grand Manan - Castalia Marsh include American Black Duck, Common Eider, Common Goldeneye, American Herring Gull, Great Black-backed Gull. The area supports wetland habitats.
How difficult is birding at Grand Manan - Castalia Marsh?
Birding at Grand Manan - Castalia Marsh is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Grand Manan - Castalia Marsh?
Grand Manan - Castalia Marsh offers the following amenities: Parking, Trails.