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  • We gratefully acknowledge support for our research from the following sources:

    • British Council
    • Economic and Social Research Council
    • Leakey Foundation
    • Leverhulme Trust
    • Natural Environment Research Council
    • Natural Sciences and Engineering Research Council of Canada
    • North of England Zoological Society
    • Primate Society of Great Britain
    • Roehampton University
    • Universities Federation for Animal Welfare
    • Wenner Gren Foundation