Animal behavior Animals 101 Behavior 58 Psychology, Comparative 53 Evolution 46 Human behavior 44 Social behavior in animals 33 more ... Animal ecology 30 Human-animal relationships 30 Primates 28 Zoology 28 Adaptation 24 Evolution (Biology) 24 Animal intelligence 23 Cognition in animals 23 Research 21 Ecology 20 Psychology 20 Animal psychology 18 Behavior evolution 17 Human evolution 17 Animal communication 14 Artificial intelligence 14 Mathematical models 13 Robotics 13 Senses and sensation 13 Simulation methods 13 Natural history 12 Psychophysiology 12 Learning in animals 11 less ...