Venezuelan Red Howler (Alouatta seniculus). They inhabit rainforests and mountain forests of Central and South America. The loudest monkey. Morning roar of a red howler. Close-up.© ...

A group of male capuchin monkeys kidnapped baby howler monkeys – a different species – on a small island of Panama. Video shows the howler monkeys clinging to the male capuchin monkeys’ backs, but the ...

Animal abduction: Biologists documented five male capuchin monkeys carrying at least eleven different infant howler monkeys -- a behavior never before seen in wild primates. Rise and spread: The ...

Camera trap footage from Jicarón Island revealed a male capuchin monkey carrying a howler infant on its back. Now, scientists are trying to understand what's driving this kidnapping behavior. - ...

Scientists have detected microplastics in the digestive systems of red howler monkeys living in protected areas in the Brazilian Amazon, marking the first evidence of plastic ingestion by a ...

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, ...

The “big truck, small man” phenomenon is also seen in the animal kingdom. The loudest howler monkeys were found to have the smallest packages. Hyoid bone size, which is responsible for vocalizations, ...