Union Grove State Park

Iowa · Midwest

Habitat
Forest
Best Seasons
SpringFall
Difficulty

Easy

Best Months

April-May, September-October

About This Location

Union Grove State Park is a productive birding destination in Iowa, with 217 species recorded on eBird. This forest habitat attracts a wide variety of species 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

Tundra Swan

Cygnus columbianus

3/3/2026Otter Creek Marsh WMA--North Observation Platform area2 observed

Mute Swan

Cygnus olor

2/28/2026Otter Creek Marsh WMA--North Observation Platform area1 observed

Hermit Thrush

Catharus guttatus

2/25/2026Grammer Grove Wildlife Area1 observed

Birding Tips

  1. 1

    Listen for vocalizations to locate canopy-dwelling warblers and vireos.

  2. 2

    Check forest edges and clearings for flycatchers and thrushes.

  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 Union Grove State Park for birding?
The best months to visit Union Grove State Park for birding are April-May, September-October. The best seasons are Spring and Fall.
What birds can I see at Union Grove State Park?
Notable species at Union Grove State Park include Red-eyed Vireo, Scarlet Tanager, Pileated Woodpecker, Wood Thrush, Ovenbird. The area supports forest habitats.
How difficult is birding at Union Grove State Park?
Birding at Union Grove State Park is rated as Easy. The trails and viewing areas are accessible for birders of all experience levels.
What amenities are available at Union Grove State Park?
Union Grove State Park offers the following amenities: Parking, Restrooms, Trails, Visitor Center.