Assertion: humpback whale's predator | /r/HasProperty | orca
Facets:
value: mainly
type: DEGREE
Source sentences:
text: One of the worlds most formidable predators, all the more so as they hunt in packs, orcas are toothed whales related to dolphins.
text: Humpback whales live to be about 45-50 years old and typically die of natural causes, although their young have predators, mainly the Orca or killer whale.