Howler monkeys in Costa Rica are facing a growing threat from bot fly larvae infestations, and new research points to tourism and land use changes as key drivers. A study by the Awá Science and ...

Alejandro Zúñiga / The Tico Times. Howler monkeys, native to Costa Rica, are increasingly threatened by human activity. Traditionally known for swinging from branch to branch using their tails, these ...

After a fallen tree cleared part of the rainforest on the Osa Peninsula, two researchers erected a circular plan with an airy viewing deck and oculus framing the canopy. Houses We Love: Every day we ...

New research shows that building rope bridges over roads and buildings protects howler monkeys from needless deaths in Costa Rica. Breaks in the tree canopy from roads, buildings and other ...

Quiet on the tee? The howler monkeys weren't having it. Hidden in the canopy above me, the loudest mammals on the planet were holding forth in full-throated violation of golf etiquette: primates with ...

“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 weekends. Howler ...

Here a white-faced capuchin monkey perches on a tree branch in Manuel Antonio National Park in Costa Rica. A group from the same genus has been observed with stolen howler monkey babies on a small ...

New research has discovered that adult howler monkeys use play to avoid conflict and reduce group tension, with levels of play increasing when they are faced with scarce resources. The researchers ...