Ruff (Philomachus pugnax)
is a European shorebird with vagrants seen along both coasts of the U.S. in most years. There are few records for AZ.
I discovered this bird on October 27, 2007, at the Gilbert Water Ranch, where it was seen by a few other lucky birders that day.
Males develop a striking ruff of neck feathers, and colors range from orange to black for the ruff. Females, like this bird, don't get the ruff and are significantly smaller than males. At one time they were believed to be a separate species named "Reeve."