Assertion: plesiosaur | /r/CapableOf | use noisy displays
Facets:
value: to communicate signals
type: PURPOSE
value: at the water surface
type: LOCATION
Source sentences:
text: Based on this data, I think we can regard it as likely that plesiosaurs also used noisy displays at the water surface to communicate signals over distance (this, of course, then raises questions about hearing abilities and so on).