The Hainan black crested gibbon (Nomascus hainanus), which was removed from the 2008–2010 list, still has fewer than 20 individuals left, but significant efforts to protect it are now being made.
Gibbon berdada hitam Hainan (Nomascus hainanus), yang dihapuskan dari daftar 2008–2010, masih memiliki kurang dari 20 ekor, namun upaya signifikan untuk melindunginya masih dilakukan.