A large sandpiper, the Lesser Yellowlegs (Tringa flavipes) is a slender, long-legged shorebird that displays the brightly coloured legs that give it its name. While the Lesser Yellowlegs is similar in appearance to the Greater Yellowlegs, they are not closely related. The Lesser Yellowlegs is about half the size (in weight) of the Greater Yellowlegs, which is a useful distinction when the two are seen together. Compared to the greater yellowlegs, the bill is shorter (visually about the same length as the head), slim, straight, and uniformly dark. The breast is streaked and the flanks are finely marked with short bars.