Howler Monkeys and Spider Monkeys: Atelidae - Conservation Status

The IUCN lists eleven species as threatened because of continued hunting and habitat loss and degradation from human activities. The variegated spider monkey, the northern muriqui, and the yellow-tailed woolly monkey are listed as Critically Endangered, facing an extremely high risk of extinction, dying out, in the wild. The Guatemalan black howler monkey, the white-whiskered spider monkey, and the southern muriqui are listed as Endangered, facing a very high risk of extinction. The Colombian woolly monkey is classified as Vulnerable, facing a high risk of extinction, and two other species are listed as Near Threatened, not currently threatened, but could become so.