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Human behavioral ecology: I

New fields of inquiry rarely spring fully grown from the forehead of a single genius, and in addition, it is often difficult to decide when a related set of inquiries has coalesced sufficiently to define a field. As measured by the solicitation and publication of review articles, human behavioral ecology has recently become a self‐conscious field, for this is the third essay to review it1,2 and a book‐length survey will appear later this year.3 In this two‐part article, I will try to give readers a sense of the field by outlining its theoretical and methodological principles and key issues and by summarizing representative studies and unresolved questions in three main topical areas: subsistence strategies (Part I) and reproductive strategies and social interactions (Part II).