17th Annual Smithsonian Magazine Photo Contest Natural World
Black Howler monkey calling

An old male Howler Monkey performs its evening call to warn other monkey troops not to get close. This is no longer the alfa male, as it becomes older other stronger and bigger males become troop leaders.

Photo Detail
Date Taken: 04.2018
Date Uploaded: 08.2019
Photo Location: Ecuador
Camera: NIKON D500
Copyright: © Sebastian Di Domenico