Monday 11th November 2019
Monday, 11th of November 2019
Home / Tag Archives: biology

Tag Archives: biology

Why monkeys with smaller testicles scream louder, by study

Howler monkeys

A new study finds that howler monkeys scream louder when they have smaller testicles. The study, published last week in the journal Current Biology, said that howler monkeys with deep roars — used to attract females, deter love rivals and scare off predators — tend to also have smaller testicles and a shortage of sperm compared to their peers. Biological anthropologist Jacob ...

Read More »