Cats Dogs 87 Diseases 49 Behavior 24 Human-animal relationships 24 Treatment 15 Veterinary medicine 12 Máis ... Diagnosis 10 History 10 Pets 10 Psychology 9 Surgery 9 Cat owners 8 Domestic animals 7 Feral cats 7 Animal welfare 6 Pet medicine 6 Animal behavior 5 Animal shelters 5 Animals 5 Food 5 Humorous stories 5 Reporters and reporting 5 Anatomy 4 Authors, American 4 Folklore 4 Friendship 4 Kittens 4 Man-woman relationships 4 Science 4 menos ...