Among these are species of marmoset, woolly monkey, and others. Like all species of woolly monkey, brown woolly monkeys are omnivorous, but mainly frugivorous. The taxonomy of the brown woolly monkey is still debated. The gray woolly monkey is currently protected in many national parks. Badham bought a woolly monkey named "Sambo" from Evans. The gray woolly monkey has been considered endangered by IUCN since 2008. The brown woolly monkey is classified as a vulnerable species by the IUCN. This locality also holds the critically endangered yellow-tailed woolly monkey. A recent extensive study suggests that the yellow-tailed woolly monkey may indeed be in "Lagothrix". Its large size makes the brown woolly monkey highly susceptible to being hunted by locals. The brown woolly monkey, mountain tapir and spectacled bear are of special concern. The yellow-tailed woolly monkey is one of the least known of the primate species. The gray woolly monkey ("Lagothrix cana") is a woolly monkey species from South America. The yellow-tailed woolly monkey ("Oreonax flavicauda") is a New World monkey endemic to Peru. Woolly monkey diets consist of fruit with an addition of leaves, seeds, flowers, and invertebrates.