Assertion: hippo | /r/CapableOf | practice echolocation
Facets:
Source sentences:
text: Hippos appear to communicate vocally, through grunts and bellows, and they may practice echolocation, but the purpose of these vocalisations is currently unknown.
text: Hippos appear to communicate vocally, through grunts and bellows, and they may practice echolocation, but the purpose of these vocalisations is currently unknown.