Assertion: sperm whale's fluke | /r/HasProperty | triangular
Facets:
Source sentences:
text: The flukes of a Sperm Whale are triangular and very thick.
text: The flukes (tail lobes) of sperm whales are triangular and very large.
text: Sperm whale flippers are paddle-shaped and small compared to the size of the body, and their flukes are triangular.
text: , flukes are triangular and very thick, blowhole is close to front of head and slightly left, brain is largest of any known mammal and the most sexually dimorphic cetaceans, with males considerably larger than females.