Grey-backed Camaroptera

tags: Grey-backed Camaroptera, Grey-backed Bleating Warbler, Camaroptera brachyura, birds, mystery bird, bird ID quiz [Mystery bird] Grey-backed Camaroptera, also known as the Grey-backed Bleating Warbler, Camaroptera brachyura (brevicaudata), photographed in Tarangire National Park, Tanzania, Africa. [I will identify this bird for you in 48 hours] Image: Dan Logen, 31 August 2007 [larger view]. Nikon D2X, ISO 200, Nikon 200-400 VR lens at 400 mm. f/4. 1/160. Please name at least one field mark that supports your identification. Review all mystery birds to date.