High Quality Content by WIKIPEDIA articles! The Abyssinian Owl or African Long-eared Owl, Asio abyssinicus, is a medium-sized owl with yellow eyes, a black bill and gray eyebrows. It is similar in appearance to the Long-eared Owl, Asio otus, but is overall darker, and their ranges do not overlap. It has long, brown, white-edged ear tufts that are slightly centrally located on the head.