Something to consider when the Mod Monkey yells into your ear:
Beware loud-mouthed guys: Monkeys with smaller testicles roar the loudest to make up for their shortcomings when attracting females
http://www.dailymail.co.uk/sciencet...est-make-shortcomings-attracting-females.html
Beware loud-mouthed guys: Monkeys with smaller testicles roar the loudest to make up for their shortcomings when attracting females
- Howler monkeys are among the loudest terrestrial animals on the planet
- Males with larger throats tend to have smaller testes, study reveals
- Attract females with their roar, while those with larger testes share mates
- Research is the first evidence in any species of a trade-off between vocal investment and sperm production, University of Cambridge experts say
http://www.dailymail.co.uk/sciencet...est-make-shortcomings-attracting-females.html