Assertion: killer whale's female | /r/HasAspect | dorsal fin
Facets:
Source sentences:
text: The dorsal fin of older males is very tall (up to 1.8 metres [5.9 feet]) and straight; females and young males have a dorsal fin that is about half that size and distinctly sickle-shaped (falcate).
text: Females have a dorsal fin that is more triangular and pointed than that of resident Killer Whales.
text: Most captive male killer whales, and some females, have a dorsal fin that is partially or completely collapsed to one side.