Assertion: fin whale's series | /r/HasProperty | the balaenopteridae
Facets:
Source sentences:
text: Fin whales and their cousins (blue, humpback, sei, minke, and others) belong to a different taxonomic family than the right whale that was the first subject of this series—the Balaenopteridae, or the “winged whales” (i.e., with dorsal fins).