The Auk 88-2. Life History of the Keel Billed Toucan
The Auk 59/3. Life History of the Mexican Trogon
Trogons and Quetzals of the World
Johnsgard, Paul A.
The Ostrich Communal Nesting System
Bertram, Brian C.R.
Cuckoos, Cowbirds and Other Cheats [HC]
Toucans, Barbets and Honeyguides: Ramphastidae, Capitonidae and Indicatoridae
Short, Lester L.; Horne, Jennifer F.M.
Notes on the Nighthawks of the Genus Chordeiles in Southern Middle America, with a Description of a
The Birds of British Somaliland and the Gulf of Aden: Their Life Histories, Breeding Habits, and Egg
Archer, Sir Geoffrey and Eva M. Godman
Illustrations by Archibald Thorburn and Henrik Gronvold
Cuckoo: Cheating by Nature
Black-billed Cuckoo: Birds of North America species account
Janice M. Hughes.
Yellow-billed Cuckoo: Birds of North America species account
Mangrove Cuckoo: Birds of North America species account