Assertion: blue whale | /r/HasAspect | unique markings
Facets:
value: on their skin
type: LOCATION
Source sentences:
text: Blue whales, much like many other whales, have unique markings on their skin and can be individuals can be identified by examining photos of whales in different areas of the world providing us a sense of their migration pattern and life history," says Ratner.
text: Each Blue Whale Has Its Own Unique Marking