<i>Tringa flavipes</i> Length: 9-10" <p> The Lesser Yellowlegs is smaller than the Greater Yellowlegs. It's bill is just a little bit longer than its head while the Greater Yellows bill is much longer than its head. Lesser Yellowlegs are also found in larger flocks than the Greater Yellowlegs. </p> <p> Lesser Yellowlegs mainly eat insects. During the non-breeding season they eat small fish and crustaceans. </p>