1. Black Howler Monkey
They can be heard 5 km away. They have distinct sounds and can be found in South American rainforests. Male howler monkeys have a black coat, while female howler monkeys have blond coats. They are found in Eastern Bolivia and Northern Argentina in arid deciduous, and broadleaf forests. They eat tree vines, and forest fruit. They have to be cautious about how much energy they use up because they have limited calorie consumption. Their ages range from 15-20 years in the wild.