Animals 188 Birds 95 Zoology 72 Juvenile literature 70 Mammals 64 Animal behavior 45 Behavior 45 plus ... Infancy 42 Insects 37 Whales 31 Animaux 29 Wildlife conservation 26 Habits and behavior 25 Rare animals 25 Miscellanea 24 Endangered species 23 Marine animals 23 Fishes 21 Primates 21 Reptiles 20 Bears 19 Snakes 19 Behavior, Animal 18 Butterflies 18 Identification 18 Dolphins 17 Zoo animals 16 Murs et comportement 15 Habitations 14 Sharks 14 moins ...