Wetland birding habitat

Assiscong Marsh

New Jersey · Northeast

Habitat
Wetland
Best Seasons
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Assiscong Marsh is a productive birding destination in New Jersey, with 217 species recorded on eBird. This wetland habitat attracts Canada Goose, Mourning Dove, and Red-bellied Woodpecker 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

Eurasian Wigeon

Mareca penelope

4/18/202615–29 Mill Pond Rd, Washington US-NJ 40.74915, -75.003852 observed

Peregrine Falcon

Falco peregrinus

4/18/2026D&L blow out

Ovenbird

Seiurus aurocapilla

4/18/2026Dixon-Fleming Farm, Kingwood1 observed

Blue-winged Warbler

Vermivora cyanoptera

4/18/2026Princeton Institute Woods & Charles Rogers Wildlife Refuge1 observed

Red-breasted Nuthatch

Sitta canadensis

4/18/2026Round Valley Recreation Area4 observed

Baltimore Oriole

Icterus galbula

4/18/2026Backyard/Princeton1 observed

Rose-breasted Grosbeak

Pheucticus ludovicianus

4/18/2026P-T rd

Wood Thrush

Hylocichla mustelina

4/18/2026Baldpate Mountain--Ted Stiles Preserve1 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

24/16/2026

Wood Duck

14/16/2026

Mourning Dove

34/16/2026

Green Heron

14/16/2026

Great Blue Heron

14/16/2026

Turkey Vulture

44/16/2026

Belted Kingfisher

14/16/2026

Red-bellied Woodpecker

14/16/2026

Downy Woodpecker

14/16/2026

Northern Flicker

14/16/2026

Blue Jay

24/16/2026

Carolina Wren

14/16/2026

European Starling

24/16/2026

American Robin

44/16/2026

Song Sparrow

14/16/2026

Red-winged Blackbird

154/16/2026

Common Grackle

54/16/2026

Northern Cardinal

14/16/2026

Green-winged Teal

24/15/2026

Killdeer

14/15/2026

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

    Visit during mid-May for peak warbler migration.

Frequently Asked Questions

When is the best time to visit Assiscong Marsh for birding?
The best months to visit Assiscong Marsh for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Assiscong Marsh?
Notable species at Assiscong Marsh include Canada Goose, Mourning Dove, Red-bellied Woodpecker, Downy Woodpecker, Northern Flicker. The area supports wetland habitats.
How difficult is birding at Assiscong Marsh?
Birding at Assiscong Marsh is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Assiscong Marsh?
Assiscong Marsh offers the following amenities: Parking, Trails.