Eastern Double-collared Sunbird

tags: Eastern Double-collared Sunbird, Cinnyris mediocris, birds, mystery bird, bird ID quiz [Mystery bird] Eastern Double-collared Sunbird, Cinnyris mediocris, photographed in the West Usambara Mountains, Tanzania. [I will identify this bird for you in 48 hours] Image: Dan Logen, 4 September 2007 [larger view]. Nikon D2X, 200-400 VR lens at 400 mm. ISO 400. 1/250 f/7.1. Please name at least one field mark that supports your identification. Review all mystery birds to date.