Garner's groundbreaking study of primate communication from the late 19th century remains a landmark achievement in the field of animal behavior. Based on extensive first-hand observations and experimentation, Garner's work challenges traditional notions of animal intelligence, and provides a compelling case for the existence of language-like systems in primates. This book is an important contribution to the history of science and has continued relevance for researchers and the general public interested in animal behavior and evolution.

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