Here are nine animals known for behaviors that are not typically considered faithful

House Cats (Felis catus)

Common Cuckoo (Cuculus canorus)

Spotted Hyenas (Crocuta crocuta)

Praying Mantis (Mantodea)

Bonobo (Pan paniscus)

Brown-headed Cowbird (Molothrus ater)

European Rabbit (Oryctolagus cuniculus)

Red-sided Garter Snake (Thamnophis sirtalis parietalis)

Bottlenose Dolphin (Tursiops truncatus)