Wild black howler monkeys live mainly in northern Argentina and are very large. So, what food do black howler monkeys eat?

Black howler monkeys prefer to eat some fruits and leaves, as well as some flowers . The reason why black howler monkeys eat this kind of food is because it is easy to digest. Black howler monkeys are more particular about the choice of leaves, and they don't like young ones, nor do they like old ones. Although black howler monkeys are so particular, sometimes they will be poisoned, but black howler monkeys have a good way to deal with them, that is, black howler monkeys will eat some clay to eliminate toxins.