Location in Oregon
Blue is Winter range - Red is Summer range
Purple is Year-round range - Yellow is Migration range

Greater Yellowlegs

Tringa melanoleuca - Common on muskeg and tundra in summer and in marshes in winter. Noticeably slimmer than Willet and with thinner bill. Greater is told from Lesser by size, long bill, and the sharp 3- to 5-note whistle.