Assertion: whale's song | /r/HasProperty | recorded
Facets:
value: from 2010
type: TEMPORAL
Source sentences:
text: In the ocean near Sri Lanka, Blue Whales’ “songs” of four sound notes have been recorded, each one of which lasted for approximately 2 minutes.
text: From 2010 through to 2014, near Greenland, 184 distinct songs were recorded from a population of around 300 animals.