Pan troglodytes ssp. verus 

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Citation: Humle, T., Boesch, C., Campbell, G., Junker, J., Koops, K., Kuehl, H. & Sop, T. 2016. Pan troglodytes ssp. verus. The IUCN Red List of Threatened Species 2016: e.T15935A17989872. . Downloaded on 25 October 2016.
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