[Mystery bird] Green Winged Pytilia, also known as the Melba Finch or Melba Waxbill, Pytilia melba, photographed in Tarangire National Park, Tanzania, Africa. [I will identify this bird for you in 48 hours]
Nikon D2X, Nikon 200-400 VR lens at 400 mm. ISO 200, f/6.3, 1/180 sec.
Please name at least one field mark that supports your identification.
Trick question! I believe this bird is transsexual! Am I right?
Looks like a female Green-winged Pytilia (Pytilia melba soudanensis), based on solid gray head, reddish bill, olive wings, barred underparts, and reddish rump and tail feathers.