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, ...

Why are capuchin monkeys kidnapping howler monkey babies in Panama? We investigate this bizarre case of primate abduction with researchers working with the Smithsonian to get to the bottom of this ...

White-faced capuchin monkeys on Jicarón Island have started abducting baby howler monkeys, surprised scientists report. It’s possible this behavior comes in waves, but it had not been detected in the ...

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 ...

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.© ...

If you lose your sight, you make up for it with other senses. If one arm is amputated, you learn to do twice as many things with the other arm. The balancing act continues, constantly juggling and ...