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Greater yellowlegs – Tringa melanoleuca

Greater yellowlegs – Tringa melanoleuca
is a large North American shorebird. The genus name Tringa is the New Latin name given to the green sandpiper by Aldrovandus in 1599 based on Ancient Greek trungas, a thrush-sized, white-rumped, tail-bobbing wading bird mentioned by Aristotle. The specific melanoleuca is from Ancient Greek melas, “black”, and leukos, “white”.

The greater yellowlegs is 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. They are also the largest shanks apart from the willet, which is altogether more robustly built. The greater yellowlegs and the greenshank share a coarse, dark, and fairly crisp breast pattern as well as much black on the shoulders and back in breeding plumage.

These birds forage in shallow water, sometimes using their bills to stir up the water. They mainly eat insects and small fish, as well as crustaceans and marine worms. It often walks in sand or mud and leaves clear tracks; it can be possible to gather information about this species using its tracks.

It sounds like this
Recording by J.R. Rigby from Xeno canto