The **Vervet Monkey** emits a variety of sounds, from loud distressed screams to loud whinnies. Most notably, it produces a sound that resembles a loud bark that can be mistaken for a bird.
This barking sound is one of the Vervet Monkeys many calls. It is often the first call they emit when they observe something potentially threatening. This sound has led many to mistakenly think that some type of bird is making a monkey sound.