Assertion: blue whale's number | /r/CapableOf | underestimate true population of blue whales
Facets:
value: in existence
type: LOCATION
Source sentences:
text: A survey done in 2002 (post whaling era) estimated that there are around 5,000 to 12,000 blue whales currently in existence, but some scientists believe that these numbers may be underestimating the true population of blue whales currently in existence.