Handbook of the Birds of the World. Volume 4: Sandgrouse to Cuckoos (Handbooks of the Birds of the World)

Offering detailed information on the sandgrouse, pigeons and doves, cockatoos, lories and parrots, turacos, cuckoos and couas and coucals, this is the fourth volume in a series of 12. The text contains over 7000 bibliographical references and a percentage of the income of all sales of the "Handbook" is given to Birdlife International for their conservation efforts.