Eight papers on various aspects of the subject, including: declines in migratory birds; avian energy storage; survival rates of British birds; food storing in birds; social organization in Parus; age-specific variation and reproduction; evolution of coloniality; and extra-pair copulations. Annotati
`As has been true with past volumes in this series, and as is particularly true this year for workers in the fields of conservation/population biology, energy studies, and studies of the evolution and ecology of behavior and social organization, Current Ornithology is not just `for the birds' anymore.'
Bioscience, March 1991
`The volume is excellent, and the extensive literature reviews provided at the end of each chapter make this valuable for anyone initiating a research study on one of the topics discussed.'
The Wilson Bulletin, June 1991
`Volume 7 is a valuable reference.'
Journal of the British Ornithologists' Union, 1990