Howler monkeys have beards and long, thick hair which may be black, brown, or red. The red howler species is the most common, but it is often targeted by hunters eager for bushmeat. Other species ...

Mark Moffett / Minden Pictures It’s 9 o’clock on a June morning in a muggy tropical forest not far from Brazil’s Atlantic coast and brown howler monkeys have been roaring for an hour.

More recent genetic studies suggest there are only two species—the Peruvian yellow-tailed and the common (or brown) woolly monkey. The gray, Columbian, and silvery woolly monkeys were ...

The issue of predators, prey, survival techniques and others are all addressed in the program (Example: Howler Monkeys: The calls of howlers can be heard from miles. The predator of the Howler ...

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 ...