Pygathrix cinerea (gray-shanked douc langur)
Pygathrix nemaeus (red-shanked douc langur)
Pygathrix nigripes (black-shanked douc langur)
U.S. Endangered Species Act
Threats to survival (Lippold & Vu 1998)
Forest logging, hunting for bushmeat, and human population growth are causing drastic declines in douc langur populations.
Image credit: © San Diego Zoo Wildlife Alliance. All rights reserved.
MacKinnon and MacKinnon (1987)