title: Cleaning symbiosis involving Calápagos tortoises and two species of Darwin's finches.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D004463:Ecology; D004484:Ecuador; D006120:Grooming; D009043:Motor Activity; D013559:Symbiosis; D014426:Turtles / Q000502:physiology*