Assertion: narwhal | /r/CapableOf | make sound
Facets:
value: for echolocation
type: PURPOSE
value: for orientation
type: PURPOSE
Source sentences:
text: Do Narwhals Make Sounds?
text: Tracking when and where narwhals make such sounds will help researchers understand how the animals’ behavior is altered by climate change and the growing presence of humans in the Arctic.
text: They have developed communication skills, and they are known to make clicking sounds for echolocation and orientation.