Assertion: blue whale's sound | /r/CreatedBy | blue whale
Facets:
Source sentences:
text: The loudest sound ever recorded from an animal was produced by a blue whale.
text: Cummings and Thompson, in 1971 estimated the sounds produced by blue whales ranged between 155 and 188 decibels.
text: If all the conditions are good, blue whales can hear sounds produced by another blue whale even if they are 1600kms apart.