Lagothrix cana; Print; The gray woolly monkey (Lagothrix cana) is a woolly monkey species from South America. It is found in Bolivia; Brazil and Peru. Lagothrix cana gets its common name; gray woolly monkey; from its thick gray coat. Its hands; feet; face and the inside of the arms are dark in color. Two subspecies of Lagothrix cana are known: L. c. cana and L. c. tschudii. L. c. cana is found in both Brazil and Peru and L. c. tschudii is found only in southeastern Peru. An isolated population was discovered by Wallace and Painter in the Madidi National Park in Bolivia. This population is distinctively darker and could soon be a new subspecies. The gray woolly monkey has been considered endangered by IUCN since 2008. The species is listed as endangered because the it suffered a 50% decrease in population over the past 45 years due to deforestation and hunting.; 1872