western White-collared Seedeater

tags: White-collared Seedeater, Sporophila torqueola, birds, mystery bird, bird ID quiz [Mystery bird] Western White-collared Seedeater, Sporophila torqueola, discovered by the photographer and photographed at the Water Ranch in Gilbert, Arizona. [I will identify this bird for you tomorrow] Image: Richard Ditch, 3 October 2008 [larger view]. Please name at least one field mark that supports your identification. Review all mystery birds to date.