Wetland birding habitat

Hawkeye Wildlife Management Area - Greencastle Avenue causeway

Iowa · Midwest

Habitat
Wetland
Best Seasons
Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Hawkeye Wildlife Management Area - Greencastle Avenue causeway is a productive birding destination in Iowa, with 223 species recorded on eBird. This wetland habitat attracts Greater White-fronted Goose, Canada Goose, and Trumpeter Swan among many others. Spring migration along the Mississippi and Central Flyways makes this a vital stopover for diverse species.

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

Red-necked Phalarope

Phalaropus lobatus

8/24/2026Hawkeye WMA--headquarters area1 observed

Black-throated Green Warbler

Setophaga virens

8/23/2026Lake Macbride--South Arm1 observed

Yellow-throated Warbler

Setophaga dominica

8/23/2026Lake Macbride--South Arm1 observed

Yellow-breasted Chat

Icteria virens

8/19/2026Lake Macbride--South Arm1 observed

Red Crossbill

Loxia curvirostra

8/19/2026Iowa City City Park1 observed

Snow Goose

Anser caerulescens

8/18/2026Hawkeye WMA--James. NW1 observed

Solitary Sandpiper (solitaria)

Tringa solitaria

8/18/2026Hawkeye WMA--Sand Point1 observed

MacGillivray's Warbler

Geothlypis tolmiei

8/18/2026Hawkeye WMA--Sand Point1 observed

Recent Observations

Species reported at this location in the last 14 days

Double-crested Cormorant

28/22/2026

Great Egret

48/22/2026

Great Blue Heron

18/22/2026

Red-tailed Hawk

18/22/2026

Bank Swallow

28/22/2026

American Goldfinch

28/22/2026

Mourning Dove

8/20/2026

Ruby-throated Hummingbird

28/20/2026

American White Pelican

8/20/2026

Turkey Vulture

38/20/2026

Red-headed Woodpecker

8/20/2026

Great Crested Flycatcher

8/20/2026

Blue Jay

18/20/2026

Field Sparrow

8/20/2026

Dickcissel

18/20/2026

Tree Swallow

68/18/2026

Gray Catbird

18/18/2026

Song Sparrow

18/18/2026

American Kestrel

18/18/2026

Eastern Wood-Pewee

18/18/2026

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

    Time your visit during the first week of May for maximum species diversity.

Frequently Asked Questions

When is the best time to visit Hawkeye Wildlife Management Area - Greencastle Avenue causeway for birding?
The best months to visit Hawkeye Wildlife Management Area - Greencastle Avenue causeway for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Hawkeye Wildlife Management Area - Greencastle Avenue causeway?
Notable species at Hawkeye Wildlife Management Area - Greencastle Avenue causeway include Greater White-fronted Goose, Canada Goose, Trumpeter Swan, Mallard, Northern Pintail. The area supports wetland habitats.
How difficult is birding at Hawkeye Wildlife Management Area - Greencastle Avenue causeway?
Birding at Hawkeye Wildlife Management Area - Greencastle Avenue causeway is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Hawkeye Wildlife Management Area - Greencastle Avenue causeway?
Hawkeye Wildlife Management Area - Greencastle Avenue causeway offers the following amenities: Parking, Trails.