Mantled Howler Monkey Grunts by Simon T Elliott published on 2018-04-12T15:00:54Z Mantled Howler Monkey (Alouatta palliata). Alarm calls of male to me as it tried to negotiate a small gap between trees 2m away. Ostional, Costa Rica 11 March 2018. Primo 172 AB to SONY PCM-10 https://simontelliott.wordpress.com/ Genre Wildlife
