The U.S. Fish and Wildlife Service manages Glacial Ridge Refuge’s habitats to support wildlife. Much of this work involves returning wetlands, grasslands, and woodlands to their natural states. Once restored, the habitats are maintained through prescribed burning and mowing. Prior to the Service owning many of the tracts, the Natural Resource Conservation Service and The Nature Conservancy restored drained wetlands and replanted the landscape with native prairie grasses and forbs.
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This migratory grassland sparrow hides its tiny nest in the dead grasses of the open prairies. It spends the summer on the refuge feeding on insects and spiders. Although Breeding Bird Surveys indicate their numbers have declined in the U.S. it can be heard singing on the prairies of Glacial Ridge National Wildlife Refuge.