Northern muriquis, which live in the Atlantic forest of Brazil, are one of the most endangered species of monkey in the world. Choosing good mates and rearing thriving offspring are key to the species' long-term survival. To better understand what goes on in the mating lives of muriquis, researchers at the University of Texas at Austin and the University of Wisconsin–Madison turned to the monkeys' poop to help gain insight into how the primates choose their mates. In a paper published on Aug. 2 in the journal Proceedings of the Royal Society B , the scientists combined genetic analysis with long-term behavioral observations to better understand the reproductive patterns of the endangered muriqui.

https://www.miragenews.com/monkey-poop-helps-study-endangered-species-1059094/

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