A flock of migrating sanderlings (Calidris alba) taking flight on Sand Dollar Beach, Baja California Sur, Mexico, North America

horizontal horizontal image outdoors outside day nobody no one no one flock flock of birds migration sanderling calidris alba sand dollar beach baja california sur mexico usa us united states united states of america north america american north american travel animal themes animal animals fauna large group of animals water bird birds aves flying in flight action sea