Current Ornithology : Springer : 9781461567868 : 1461567866 : 14 May 2012 : If it is still true that more than 80% of the ornithologists in North America are primarily interested or engaged in ecological studies on birds (J. R. King and W. J. Bock, Final Report of the Workshop on a National Plan For Ornithology, 1978), then Volume 3 of Current Orni­ thology is preadapted for their consideration. All but one article in this volume are somehow concerned with the ecological aspects of the bi­ ology of birds. Variation in the scope of topical coverage is relatively broad, and includes conservation, reproduction, behavior, community structure, and evolutionary ecology. Three reviews concern the pervasive effects of man and industry on various bird populations of the world. Risebrough provides a de­ tailed description of the relationships between pesticides and bird pop­ ulations. Morrison ass es ses aspects of bird population numbers as in­ dicators of environmental change, and Temple outli