Download or read book Intraspecific Variation in the Social Systems of Wild Vertebrates written by Dale F. Lott and published by Cambridge University Press. This book was released on 1991-02-21 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has often been assumed by those studying animal behaviour that the social system adopted by a species is a fixed product of natural selection. There is now an interesting body of evidence that this is not always the case. In this book, first published in 1991, Professor Lott presents an overview of the understanding of this phenomenon.