Flying Flock of Northern Pintails (Anas acuta), Bosque del Apache NWR, NM; Anas acuta, blue sky, Bosque del Apache, Bosque del Apache National WIldlife Refuge, Bosque del Apache NWR, drakes & hens, drakes and hens, female & males, female and males, flight, flock, flying, flying flock, hen & drakes, hen and drakes, males & female, males and female, New Mexico, NM, Northern Pintails, Northern Pintails (Anas acuta), Pintails, San Antonio NM, Wildlife Refuge