The heat wave raging in Mexico since May has had a devastating effect on not just the local population, but local wildlife as well, particularly howler monkeys. In the Central American country’s southern states of Chiapas and Tabasco, temperatures have soared to over 45°C (113°F), causing significant distress and fatalities among the primates. Reports have indicated that at least 250 howler monkeys have died of the extreme heat, primarily from heat stroke and severe dehydration....