tags: Cave Swallow, Petrochelidon fulva, birds, mystery bird, bird ID quiz
[Mystery bird] Cave Swallow, Petrochelidon fulva, photographed at the Water Ranch in Gilbert, Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 18 February 2008 [larger view].
Please name at least one field mark that supports your identification.
Review all mystery birds to date.