Assertion: dolphin | /r/HasProperty | delphinidae
Facets:
Source sentences:
text: Dolphins (Delphinidae) are aquatic mammals related to whales and porpoises and famous for their intelligence, apparent compassion and joy.
text: Monodontids then split from dolphins (Delphinidae) and later from porpoises (Phocoenidae), their closest relatives in evolutionary terms.