Dimensions
187 x 256 x 33mm
A guide to the nightjars, potoos, frogmouths, Oilbird, and owlet-nightjars of the world. It covers the 135 known species of these elusive and cryptically plumaged birds. It features species accounts which describe key identification features, confusion species, vocalizations, distribution, habitat and altitudinal range, breeding season, and sites.