Western grebe preparing for a courtship ritual in the Bear River Migratory Bird Refuge, Utah, U.S.A., 1969

In the Bear River Migratory Bird Refuge, a male western grebe is seen having prepared a floatable raft made of vegetation around the river. The raft would be used during its courtship ritual. Utah, U.S.A., 1969. The Bear River Migratory Bird Refuge encompasses the Bear River and its delta where it flows into the northern part of the Great Salt Lake in eastern Box Elder County. It includes a variety of habitats, such as open water, mudflats, wetlands, and uplands. The refuge hosts millions of migratory birds each year including species such as bald eagle and tundra swan. There are more than 41,000 acres (170 km2) of freshwater wetlands. The Refuge is approx. 80,000 acres of Federal and State lands that are managed by the U.S. Fish and Wildlife Service. The surrounding lands are occupied by multiple hunting clubs along the bird migration route.