Volume 6 covers the Order Coliformes - Family Coliidae (Mousebirds); Order Trogoniformes - Family Trogonidae (Trogons); and Order Coraciiformes families Alcedinidae (Kingfishers), Todidae (Todies), Momotidae (Motmots). Meropidae (Bee-eaters), Coraciidae (Rollers), Brachypteraciidae (Ground-rollers), Leptosomidae (Cuckoo-rollers), Upupidae (Hoopoes), Phoeniculidae (Wood-hoopoes), and Bucerotidae (Hornbills). It contains a foreword on avian bioacoustics.
This is the 6th of the multi-volume series designed to provide the first comprehensive account of all the species of birds in the world.
This volume covers from Mousebirds to Hornbills. Each chapter, headed by a summary box, deals with a different family, and it is subdivided into sections: systematics; morphological aspects; habitat; general habits; voice; food and feeding; breeding; movements; relationship with man; status and conservation; a general bibliography and detailed species accounts.
The species accounts include names in French, German and Spanish, in addition to scientific and English names. Each species features taxonomic notes; subspecies and distribution; habitat; food and feeding; breeding; movements; status and conservation and a selected bibliography.