15 Oct 2016.
Pine Run Reservoir, Bucks Co, PA.
With Canada Geese.
Date is approximate.
14" (36 cm). Very much like Lesser Yellowlegs; size difference obvious only when together. Greater's bill is longer, thicker toward the base, may look slightly upturned.
The Greater Yellowlegs (Tringa melanoleuca) is a large North American shorebird, similar in appearance to the smaller Lesser Yellowlegs. Its closest relative, however, is the Greenshank, which together with the Spotted Redshank form a close-knit group. Among them, these three species show all the basic leg and foot colors found in the shanks, demonstrating that this character is paraphyletic (Pereira & Baker, 2005). They are also the largest shanks apart from the Willet, which is altogether...