Colliers Mills Wildlife Management Area

New Jersey · Northeast

Habitat
Wetland
Best Seasons
SpringFall
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Colliers Mills Wildlife Management Area is a productive birding destination in New Jersey, with 203 species recorded on eBird. This wetland habitat attracts American Herring Gull, Turkey Vulture, and Red-shouldered Hawk 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

Black-capped Chickadee

Poecile atricapillus

3/5/2026Tracy PL1 observed

Iceland Gull (kumlieni)

Larus glaucoides

3/5/2026Rte. 206 (near Columbus Market)1 observed

Iceland Gull

Larus glaucoides

3/5/20267–13 Columbus-Jobstown Rd, Columbus US-NJ 40.05273, -74.723251 observed

Baltimore Oriole

Icterus galbula

3/5/2026Home2 observed

Red-headed Woodpecker

Melanerpes erythrocephalus

3/4/2026Manasquan Reservoir IBA--Cove Nature Trail1 observed

Pileated Woodpecker

Dryocopus pileatus

3/1/2026Home1 observed

Merlin (Taiga)

Falco columbarius

3/1/2026Mercer County Park2 observed

Greater White-fronted Goose

Anser albifrons

2/28/202608022, Columbus US-NJ (40.0425,-74.7450)2 observed

Cackling Goose

Branta hutchinsii

2/28/202608022, Columbus US-NJ (40.0425,-74.7450)1 observed

Rose-breasted Grosbeak

Pheucticus ludovicianus

2/28/2026"home"3 observed

Laughing Gull

Leucophaeus atricilla

2/28/2026Abbott Marshlands--John A. Roebling Park2 observed

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 Colliers Mills Wildlife Management Area for birding?
The best months to visit Colliers Mills Wildlife Management Area for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Colliers Mills Wildlife Management Area?
Notable species at Colliers Mills Wildlife Management Area include American Herring Gull, Turkey Vulture, Red-shouldered Hawk, Yellow-bellied Sapsucker, Red-headed Woodpecker. The area supports wetland habitats.
How difficult is birding at Colliers Mills Wildlife Management Area?
Birding at Colliers Mills Wildlife Management Area is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Colliers Mills Wildlife Management Area?
Colliers Mills Wildlife Management Area offers the following amenities: Parking, Trails.