Assertion: humpback whale | /r/HasAspect | distinctive markings
Facets:
value: very
type: DEGREE
value: on their tail flukes
type: LOCATION
Source sentences:
text: Humpback whales have very distinctive markings on their tail flukes, they also have a particular diving technique where their tail emerges from the water before a dive, being flipped to vertical before slowly sliding beneath the surface.