Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

For howler monkeys, it appears the louder the calls, the smaller the — ahem — balls. A research team looking into the monkeys’ incredibly loud and low vocalizations, and the physical structures that ...

Baby, I’m howlin’ for you. Male howler monkeys make deep and boisterous calls to attract mates, but the deepest-pitched songs may come at cost: the size of their testicles. A new study in the journal ...