title: Behavioral ecology. Elephant matriarchs tell friend from foe.
authors.forename: E
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D000375:Aging; D000818:Animals; D001522:Behavior, Animal; D003247:Conservation of Natural Resources; D004192:Discrimination, Psychological; D004606:Elephants / Q000502:physiology; D005260:Female; D007630:Kenya; D012098:Reproduction; D012919:Social Behavior; D014828:Vocalization, Animal; D014907:Whales / Q000502:physiology