Assertion: sperm whale | /r/AtLocation | existence
Facets:
value: for over 25 million years
type: TEMPORAL
Source sentences:
text: Today current estimates regarding this species have been very difficult pin point however it has been estimated that anywhere from 200,000 to over 1,500,000 sperm whales may still be in existence.
text: Fossil evidence suggests that sperm whales have been in existence for over 25 million years.