From the U.S. Fish and Wildlife Service's online digital media library.
Check http://images.fws.gov/ for higher quality version.

Metadata
Title: Greater Yellowlegs
Alternative Title: Tringa melanoleuca
Creator: U.S. Fish and Wildlife Service
Source: Y-01
Publisher: U.S. Fish and Wildlife Service
Contributor: ASSISTANT REGIONAL DIRECTOR-EXTERNAL AFFAIRS
Language: EN - ENGLISH
Rights: (public domain)
Audience: (general)
Subject: Species, Animals, Birds, Shorebirds
Date Issued: June 21 2002