- Length: 11 inches
- Long, pointed bill
- Pale gray plumage
- White around base of bill and undertail coverts
- Black wings with white patch on secondaries
- Black tail with white outer tail feathers
Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.