Tag archive for ‘Howler monkeys’
Jewish Business News On Friday, October 23rd, 2015

Calls vs. balls: Monkeys with more impressive roars produce less sperm

  Howler monkeys are about the size of a small dog, weighing around seven kilos, yet they are among the loudest terrestrial animals on the planet, and can roar at a similar acoustic frequency to tigers. Evolution More...

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