The site was identified as internationally important for bird conservation in 2009 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
---|---|---|---|---|
Red-headed Woodpecker Melanerpes erythrocephalus | LC | breeding (1999) | 50 breeding pairs | A1 |
Cerulean Warbler Setophaga cerulea | NT | breeding (2006) | 81 males | A1 |
Year | Protected Area | Designation (management category) | % coverage of IBA |
---|---|---|---|
- | Crooked Lake Marsh | Natural Area (V) | 1 |
- | Allegan Pine Plains | Natural Area (V) | <1 |
- | Little Tom Lake | Natural Area (V) | <1 |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Allegan State Game Area & Kalamazoo River (Galesburg to Saugatuck) (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/allegan-state-game-area-&-kalamazoo-river-(galesburg-to-saugatuck)-iba-usa on 15/01/2025.