Blue herons and ducks fishing in wetlands under reservoir spillway, Hoover Reservoir, Ohio

blue heron ducks wetland aerial aquatic birds aerial view wildlife bird great blue heron standing perched rock formation ohio landscape 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 waterfowl wild birds ohio bird species midwest wildlife ohio wetland birds north american wildlife