General
Greater Yellowlegs: Large sandpiper with mottled brown, gray, and white upperparts. Underparts are white with dark streaks and spots. Bill is slightly upturned. Legs are distinctively long and bright yellow. Long barred tail and white rump are conspicuous in flight. Sexes are similar. Winter adult and juvenile have paler heads and necks.
Range and Habitat
Greater Yellowlegs: Breeds from south-central Alaska to Newfoundland. Spends winters mainly along coasts from Washington State and Virginia southward, and along the Gulf coast. Breeds on tundra and marshy ground; frequents pools, lakeshores, and tidal mudflats on migration.
Breeding and Nesting
Greater Yellowlegs: Three to four brown and gray blotched, buff eggs are laid in a slight ground depression in a damp open spot. Eggs are incubated for 23 days by both parents.
Foraging and Feeding
Greater Yellowlegs: Eats small aquatic and terrestrial invertebrates, small fish, frogs, seeds, and berries. Forages in shallow water and mudflats; sometimes snatches insects out of the air.
Vocalization
Greater Yellowlegs: Makes a series of musical, whistled notes "whew-whew-whew."
Similar Species
Greater Yellowlegs: Lesser Yellowlegs is smaller and has different voice. Solitary Sandpiper is smaller, shorter-billed, has a bolder eye-ring, a dark rump, and green legs.