To a howler, or spider-monkey, its long tail is a swing and a trapeze in its forest gymnasium.
"Concerning Animals and Other Matters" by E.H. Aitken, (AKA Edward Hamilton)
The marimondas are not true "howlers," although they are of the same tribe as the "howling monkeys.
"Popular Adventure Tales" by Mayne Reid
The Maya Biosphere Reserve is a rainforest stronghold for jaguars, pumas, scarlet macaws, and howler monkeys.
When residents of Bermudean Landing in Belize discovered that a high concentration of rare howler monkeys was living nearby, they created a sanctuary, built a visitor's center and produced a guidebook on a desk-top computer.
Primates that exclusively live off leaves, such as howler monkeys, tend to be slower and less entertaining to watch.