Monkeys mark more territory around noise pollution

Brazil’s pied tamarin monkeys use scent marking and vocal calls to communicate, but it’s getting more difficult for them to hear one another.

Photo Safari Day - Ariel & Shya Kane

Spider Monkey, Overview, Facts & Habitat

Synapsida: Mini-Monkeys: Monkeys with Moustaches

Brazilian Monkeys, Monkeys Native To Brazil

Rainforest Animals: List of Names and Photos

The Myanmar snub-nosed monkey: discovered and immediately endangered

Mandrill - Wikipedia

Monkeying Around in Costa Rica

Noise pollution is pervasive in U.S. protected areas

Hear a Howler Monkey Howl!