Williamson's Sapsucker, carrying ants to nestWilliamson's Sapsucker, at nest holeWilliamson's Sapsucker, maleWilliamson's Sapsucker, male delivering insects to nestWilliamson's Sapsucker, male delivering insects to nestWilliamson's Sapsucker, female delivering insects to nestWilliamson's Sapsucker, at nest hole