Pintail

tags: Northern Pintail, Pintail, Anas acuta, birds, mystery bird, bird ID quiz [Mystery bird] Northern Pintail, also known simply as the Pintail, Anas acuta, photographed at Arthur Storey Park, Houston, Texas. [I will identify these birds for you in 48 hours] Image: Joseph Kennedy, 5 December 2009 [larger view]. Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/350s f/8.0 at 1000.0mm iso400. Please name at least one field mark that supports your identification. Review all mystery birds to date.