Handbook of the birds of the world [HBW], volume five: barn owls to hummingbirds.

Barcelona: Lynx Edicions, 1999.
Quarto, dustwrapper, 759 pp. colour plates and photographs, maps.

To be completed in sixteen volumes. Species accounts cover taxonomy, distribution (including subspecies), habitat, feeding, breeding, movements, status and conservation. This volume includes barn-owls, typical owls, Oilbird, owlet-nightjars, frogmouths, potoos, nightjars, swifts, tree-swifts and hummingbirds.