Assertion: sperm whale's blowhole | /r/HasProperty | single
Facets:
Source sentences:
text: As with other toothed whales the dwarf sperm whale has a single blowhole that it uses to breathe, however the length of time these marine mammals can dive for before resurfacing for air is unknown.
text: It has a single blowhole that is set on the forehead and to the left, which produces a distinctive, angled blow.
text: Unlike other whales, sperm whale has a single blowhole that is located on the left side of the head.
text: Sperm whales are the only living cetacean that has a single blowhole asymmetrically situated on the left side of the crown of the head.