Monkey's Alarm Calls Reveal Predator's Who and Where
Wednesday, September 4, 2013 - 11:00
in Biology & Nature
Listen very carefully in the rainforests of Brazil and you might hear a series of quiet, high-pitched squeaks. These are the alarm calls of the black-fronted titi ( Callicebus nigrifrons ), a monkey... -- Read more on ScientificAmerican.com