Assertion: dolphin | /r/CapableOf | use whistle
Facets:
value: in order to communicate
type: PURPOSE
value: as a form of identification
type: PURPOSE
value: to echolocate their prey
type: PURPOSE
Source sentences:
text: Dolphins also have an incredible range of hearing, and use a series of vocalizations, including clicks and whistles, to echolocate their prey.
text: Called vocal labeling, these dolphins use repeated specific acoustic signals and whistles as a form of identification.
text: Dolphins use whistles in order to communicate with other members of their pod.