Assertion: killer whale's female | /r/HasProperty | less than half this height
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Males are significantly larger than females (a trait known as "sexual dimorphism") and have a large and prominent dorsal fin (the one in the middle of their back) that can reach 6ft (1.8m) in height, the females dorsal fin is usually less than half this height.