Spotted Sandpiper (Actitis macularius) September 12, 2019 2182 × 1559 Spotted Sandpiper (Actitis macularius) Spotted Sandpiper (Actitis macularius) immature, early August, 2019, Montauk. Breeder. Early August, 2019. Montauk Harbor, New York. Shores. Breeder.