Male capuchin monkeys on a Panamanian island were documented carrying around infant howler monkeys for no clearly discernible reason. By Elizabeth Landau Capuchin monkeys don’t generally hang out with their neighbors, the howler monkeys, on Jicarón ...

Part I. Introduction. 1. Why is it important to continue studying the behavioral ecology and conservation management of howler monkeys? / Martín M. Kowalewski, Paul A. Garber, Liliana Cortés-Ortiz, Bernardo Urbani, and Dionisios Youlatos -- Part II.

From a quick swipe of a banana to elaborate “ransoms” of smartphones, monkey shenanigans have earned these adorable animals a worldwide reputation as mischievous little thieves. Perhaps you’ve seen viral videos of a macaque at a temple snatching an ...