Hawks at a distance: identification of migrant raptors.
Princeton: Princeton University Press, 2011. Octavo, paperback, photographs.
Focuses on distant raptors as they are truly seen in the field. Liguori, a leading expert on North American raptors, factors in new information and approaches for identifying twenty-nine species of raptor in various lighting situations and settings. The field guide's nineteen full-colour portraits, 558 colour photos, and 896 black-and-white images portray shapes and plumages for each species from all angles. Useful flight identification criteria are provided and the accompanying text discusses all aspects of in-flight hawk identification, including flight style and behaviour. Concentrating on features that are genuinely observable at a distance, this concise and practical field guide is ideal for any aspiring or experienced hawk enthusiast. This is the first guide to focus on distant raptors as they are viewed in the field. This title provides new information and approaches for identifying distant raptors. It illustrates twenty-nine species in various lighting situations and settings. Also available in hardcover [stock id 33026].