Assertion: porpoise | /r/HasProperty | recorded
Facets:
Source sentences:
text: While knowledge of sleep in wild cetaceans is limited, porpoises in captivity have been recorded to sleep with one side of their brain at a time, so that they may swim, breathe consciously, and avoid both predators and social contact during their period of rest.
text: While knowledge of sleep in wild cetaceans is limited, porpoises in captivity have been recorded to sleep with one side of their brain at a time, so that they may swim, breathe consciously, and avoid both predators and social contact during their period of rest.
text: Nevertheless, they have been recorded to move from onshore to offshore waters along coast.
text: Nevertheless, they have been recorded to move from onshore to offshore waters along coast.
text: No instances of harbour porpoises swimming towards seismic vessels were recorded when airguns were firing on either large or small arrays.