Howlers are New World monkeys found in tropical Central and South America. They are aptly named for their cacophonous cries. When a number of howlers let loose their lungs in concert, often at ...

Normally quite intimidating, howler monkeys are muscular and can be around 2 feet (60 centimeters) tall, with tails as long again. They are equipped with big jaws and a fearsome set of teeth and ...

Australia’s ‘earless dragon’ faces extinction due to climate change Normally quite intimidating, howler monkeys are muscular and some can be as tall as 90cm (3 feet), with tails just as long.

“When I was a child living on the southern Pacific coast of Costa Rica, my parents would take me to see golden-mantled howler monkeys (Alouatta palliata palliata) in the forest most weekend ...

They had been on the opposing sides of a quarrel ever since Hope’s family wrapped their tails around the branches ... in Tijuca National Park. Brown howler monkeys (Alouatta guariba) are ...

My adventure of a lifetime began in 2015 when I was asked to follow the tree-top lives of Costa Rica’s gravity-defying howler monkeys (Alouatta palliata palliata). Image by Justine Allan.

There are other animals too. Like that howler monkey. It uses its tail like an extra arm, helping it move from tree to tree. And it's eating a banana. One of over three thousand types of fruit ...