The honey-guides
The honey-guides are a small family of picarian birds related to the barbets, the woodpeckers, and the toucans. The family contains eleven species classified in four genera. All but two of these species are found only in Africa south of the Sahara -- the two exceptions are Asiatic in distribution, one in the Himalayas, and one in Burma, Siam, Malay, Sumatra, and Borneo
Print Book, English, 1955
Smithsonian Institution, Washington, D.C., 1955