Frank Chapman Bellrose

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Sex Ratios and Age Ratios in North American Ducks is a scientific research publication by Frank Chapman Bellrose, published by the Illinois Natural History Survey in August 1961. The book is focused on the study of sex ratios and age ratios in various species of ducks found in North America. The author has conducted extensive research on these topics, and the book presents the results of his findings in a clear and concise manner. The book includes detailed data and analysis on the population dynamics of different species of ducks, as well as their breeding habits, migration patterns, and habitat preferences. The author also discusses the impact of environmental factors such as climate change and habitat loss on the population of ducks in North America. This book is an essential resource for wildlife biologists, ecologists, and anyone interested in the conservation of North American waterfowl.Additional Contributor Is Jessop B. Low. Foreword By Harlow B. Mills.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.