Wetland birding habitat

Assunpink Wildlife Management Area

New Jersey · Northeast

Habitat
Wetland
Best Seasons
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Assunpink Wildlife Management Area is a productive birding destination in New Jersey, with 264 species recorded on eBird. This wetland habitat attracts Canada Goose, Green-winged Teal, and Ring-necked Duck 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

Virginia Rail

Rallus limicola

6/1/2026Assunpink WMA1 observed

Hooded Merganser

Lophodytes cucullatus

6/1/2026Old Mill Road Greenway13 observed

Northern Harrier

Circus hudsonius

6/1/202621 Grist Mill Dr, Belle Mead US-NJ 40.43444, -74.621841 observed

Dickcissel

Spiza americana

6/1/2026Pole Farm (Mercer County Park NW)1 observed

Yellow-rumped Warbler

Setophaga coronata

5/31/2026Monmouth Junction1 observed

Solitary Sandpiper

Tringa solitaria

5/31/2026Big Brook Park Bradevelt Station Section1 observed

Swainson's Thrush

Catharus ustulatus

5/31/2026Falls of the Delaware Park3 observed

Bank Swallow

Riparia riparia

5/30/2026Warner Lake (roadside access only, formerly Manor Lake)2 observed

Prothonotary Warbler

Protonotaria citrea

5/30/2026Delaware and Raritan Canal SP--Dyson Tract Area1 observed

Lincoln's Sparrow

Melospiza lincolnii

5/30/2026Pole Farm (Mercer County Park NW)1 observed

Recent Observations

Species reported at this location in the last 14 days

Eastern Screech-Owl

26/1/2026

Willow Flycatcher

26/1/2026

Wood Thrush

16/1/2026

American Robin

26/1/2026

Red-winged Blackbird

16/1/2026

Common Yellowthroat

16/1/2026

Canada Goose

26/1/2026

Mallard

26/1/2026

Mourning Dove

16/1/2026

Chimney Swift

36/1/2026

Double-crested Cormorant

16/1/2026

Great Blue Heron

36/1/2026

Turkey Vulture

26/1/2026

Red-tailed Hawk

16/1/2026

Red-bellied Woodpecker

16/1/2026

Northern Flicker

16/1/2026

Eastern Wood-Pewee

26/1/2026

Great Crested Flycatcher

16/1/2026

Eastern Kingbird

16/1/2026

White-eyed Vireo

26/1/2026

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 Assunpink Wildlife Management Area for birding?
The best months to visit Assunpink Wildlife Management Area for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Assunpink Wildlife Management Area?
Notable species at Assunpink Wildlife Management Area include Canada Goose, Green-winged Teal, Ring-necked Duck, Bufflehead, Common Merganser. The area supports wetland habitats.
How difficult is birding at Assunpink Wildlife Management Area?
Birding at Assunpink Wildlife Management Area is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Assunpink Wildlife Management Area?
Assunpink Wildlife Management Area offers the following amenities: Parking, Trails.