Assertion: humpback whale's blowhole | /r/AtLocation | top of the head
Facets:
value: centrally
type: LOCATION
Source sentences:
text: Rorquals have a double blowhole (single in toothed cetaceans), placed centrally on top of the head, a pleated throat capable of great expansion whilst feeding, a 'U'- to 'V'-shaped flattened head and a streamlined body for fast swimming.