Hear the booming cries that gave the howler its name. Learn just what these vocal monkeys may be trying to say.

Yodelers of the world, you never stood a chance: Monkeys will always be better at yodeling than humans because they have a "cheap trick" hidden in their voice box, scientists revealed Thursday. When ...

It’s a long-held belief that loud mouths overcompensate for something, but in the case of howler monkeys, science has confirmed it’s a biological fact. A landmark study by Dr. Jacob Dunn at Cambridge ...

Thirteen million years ago, a medium-sized monkey known for guarding its territory among the treetops with a fearsome "howl" started doing something new. This monkey, one of the oldest known ancestors ...

Alejandro Zúñiga / The Tico Times. There is a sound that defines the Costa Rican jungle before dawn: a deep, resonant roar that can carry for five kilometers through the forest canopy, announcing the ...

The Museum of Life and Science's red wolf pups are getting big! And, at 18 months, they're learning from mom and dad. Museum staffers recently caught some video of them taking some howling lessons ...

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!386215~!0#focus ...