The extreme heatwave in Mexico is not only affecting the environment, it's wreaking havoc on the howler monkeys and causing them to fall dead out of trees, the Associated Press reported. "They were ...

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 Gulf ...

Howler monkeys are dropping dead from trees in southeast Mexico's tropical forests, and authorities said Monday they were investigating whether extreme heat was killing the endangered animals.

A truck transporting monkeys associated with Tulane University crashed, prompting law enforcement to take "appropriate action ...

COMALCALCO, Mexico, May 20 (Reuters) - Threatened howler monkeys have been dropping dead from trees in Mexico's southeastern tropical forests in recent weeks amid a nationwide drought and heat waves ...

A heat wave in Mexico is so fierce that howler monkeys are dropping dead from trees. Though estimates run into the hundreds, at least 85 monkeys have died in the state of Tabasco as temperatures soar ...