[Mystery bird] Lesser Striped Swallow, sometimes also known as the Striped Swallow, Hirundo abyssinica, photographed in the Mikumi National Park, Tanzania, Africa. [I will identify this bird for you in 48 hours]
Nikon D300s, 600 mm lens with 1.4 extender, ISO 500, f/7.1 1/640 sec. Exp compensation +1.
Please name at least one field mark that supports your identification.