Taxonomy Mammalia Bos taurus, cow Canis familiaris, dog Cavia porcellus, guinea pig Cricetus cricetus, black-bellied hamster, common hamster Equus caballus, horse Felis catus, cat Homo sapiens, human, man Mus musculus, house mouse Oryctolagus cuniculus, rabbit Rattus norvegicus, Norway rat, rat Rattus rattus, black rat, house rat