This book reports and summarizes the findings of several dozen studies that have used ptilochronology (the study of feather time) as a research tool. It provides a practical resource as well as a source of understanding of how the technique can be used to address important questions in avian biology.
Addressing many questions relevant to anglers, this book brings together many varied concepts of cognitive ecology as applied to trout and their salmonid relatives: char, salmon, grayling and whitefish.
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