For people in the steamy, swampy, jungle-covered state of Tabasco, the howler monkey is a cherished, emblematic species; local people say the monkeys tell them the time of day, by howling at dawn ...

The red howler species is the most common, but it is often targeted by hunters eager for bushmeat. Other species of howler monkey may be critically endangered over sections of their ranges.

And this is one of the great threats that the howler monkey faces as a species. The deforestation, modification and degradation of its habitat has led it to be a species resilient to change.

The howler monkey's cry travels up to three miles through ... Subsonic vocalisation is used by hippos for communication.

Notably, Esri partner Hammerhead Technology has employed advanced GIS technology to map power line locations in relation to areas where howler monkey electrocutions have occurred. “Hammerhead ...