On an island in Panama, a fad that one researcher called "viscerally disturbing" has recently taken off among a group of young male monkeys. These adolescents and juveniles have started to kidnap the ...

When Lockheed's F-104 Starfighter blasts through the sky, it doesn't just fly fast, it howls. Pilots, ground crews, and aviation fans have heard the eerie, piercing sound of the aircraft's engine.

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.© ...

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, ...

Alejandro Zúñiga / The Tico Times. To many first-time visitors to Costa Rica’s varied forests, mantled howler monkeys are the first indication that they are somewhere wild. Often heard before they’re ...

Add Yahoo as a preferred source to see more of our stories on Google. Venezuelan Red Howler (Alouatta seniculus). They inhabit rainforests and mountain forests of Central and South America. The ...

This is Scientific American’s 60-Second Science. I’m Jeff DelViscio. Today: the final episode in our three-part sound escape to the Amazon rain forest. In today’s episode, we’re going into the trees.