Chimpanzees: self-recognition.
After prolonged exposure to their reflected images in mirrors, chimpanzees marked with red dye showed evidence of being able to recognize their own reflections. Monkeys did not appear to have this capacity.
D000818:Animals; D001522:Behavior, Animal; D001828:Body Image; D004396:Coloring Agents; D000882:Haplorhini; D015186:Hominidae; D012649:Self Concept
D004396:Coloring Agents