Several ducks and herons in creek bed below dam waterfall, Hoover Reservoir, Ohio

aerial view wildlife bird great blue heron creek bed aquatic birds standing perched rock formation natural habitat wetland ecosystem water body hoover reservoir westerville oh central ohio biodiversity conservation protected area birdwatching ornithology avian behavior ecology wildlife photography outdoor recreation environmental awareness natural beauty bird conservation freshwater wetlands migratory birds nature reserve wetland conservation bluesky background ohio wildlife waterfowl ohio bird species midwest wildlife ohio wetland birds north american wildlife spillway dam ducks birds