adult adults AK Alaska Alaskan America American Americas avian bird birds boreal Brooks Brooks Lake Brooks River Carl Carl Donohue Donohue ecology ecosystem environment environmentalism Falcipennis canadensis feather feathers foliage Forest game game bird ground grouse habitat habitats horizontal horizontals Katmai Katmai National Park land male males National National Park natural nature natures North America Northern NP park parks plumage Preserve scenery Skolai Images spruce spruce grouse State States trees U.S. United United States United States of America US USA wild wilderness wildlife