Ruff

tags: Curlew Sandpiper, Calidris ferruginea, Ruff, Calidris pugnax, birds, mystery bird, bird ID quiz [Mystery birds] Curlew Sandpiper, Calidris ferruginea, and Ruff, Calidris pugnax, photographed in the Nyumba ya Mungu reservoir, Tanzania, Africa. [I will identify this bird for you in 48 hours] Image: Dan Logen, February 2010 [larger view]. Nikon D300, 600 mm lens x 1.4. ISO 320, 1/800 sec, f/6.3. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Ruff, Philomachus pugnax, birds, mystery bird, bird ID quiz [Mystery bird] Ruff, Philomachus pugnax photographed in Swakopmund, Namibia, Africa [I will identify this bird for you in 48 hours] Image: Dennis Paulson, April 2007 [larger view]. Please name at least one field mark that supports your identification. Review all mystery birds as of this date.