blue shank

tags: blue shank, American Avocet, Recurvirostra americana, birds, mystery bird, bird ID quiz [Mystery bird] American Avocet, also known as the blue shank, Recurvirostra americana, photographed in Arizona. [I will identify this bird for you in 48 hours] Image: Richard Ditch, 25 February 2010 [larger view]. You are encouraged to purchase photographs from this photographer. I am happy to email his contact information to you. Exposure Time: 1/400 F-Number: 8.00 ISO: 200 Please name at least one field mark that supports your identification. Review all mystery birds to date.