Anas, Anas acuta, Aves, Bosque del Apache, Bosque del Apache National Wildlife Refuge, Flight, Movement, NP, Northern Pintail, United States, action, adult, adults, america, american, area, areas, bird, birds, flies, fly, flying, flying in formation, formation, formations, groups, horizontal, motion, moving, national parks, new mexican, new mexico, north america, park, parks, place, places, point, points, preserves, reserve, reserves, sanctuaries, sanctuary, sight, sights, site, sites, small group, south, southern, two, usa, vertebrate, vertebrates, waterfowl, waterfowls, wetland, wetlands