MEXICO CITY--It’s so hot in Mexico that howler monkeys are falling dead from the trees. At least 83 of the midsize primates, who are known for their roaring vocal calls, were found dead in the ...

It is so hot in Mexico that howler monkeys are falling dead from the trees. At least 83 of the midsize primates, who are known for their roaring vocal calls, were found dead in the Gulf coast ...

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.

A rare red howler monkey has been born at a wildlife park in Yorkshire. The primate was born on 29 April at Doncaster's Yorkshire Wildlife Park and keepers said it was still too early to tell the ...

It’s so hot in Mexico that howler monkeys are falling dead from the trees. At least 138 of the midsize primates, who are known for their roaring vocal calls, were found dead in the Gulf coast ...

Monte the howler monkey may be the loudest Dad at the Birmingham Zoo. Things are really getting loud in his family. Monte is ...

In the middle of the food chain were animals like howler monkeys which ruled the treetops protecting their territory with their signature calls. Things are quite different now. Life on these ...