'... a wealth of recent information ... an extremely valuable source of material for anyone needing an expert and readily accessible account of the latest developments in one or more particular aspects of the field.' J. B. Wakerley, Experimental Physiology '... stands out from the usual collection of scientific papers.' Bonny Pilo, Journal of Animal Morphology and Physiology 'In this timely book, Micevych and Hammer have assembled an impressive collection of work ... I found the vast range of new materials marshalled in the book fascinating and intellectually challenging.' Mei-Fang Cheng, Animal Behaviour