title: Facing up to endangered apes.
mesh_terms: D000818:Animals; D044822:Biodiversity; D003247:Conservation of Natural Resources / Q000331:legislation & jurisprudence / Q000639:trends*; D015186:Hominidae / Q000502:physiology*; D007391:International Cooperation; D011156:Population Density; D014480:United Nations / Q000331:legislation & jurisprudence