Assertion: bottlenose dolphin's calf | /r/HasProperty | awake
Facets:
value: at the surface
type: LOCATION
Source sentences:
text: A 2005 study on captive bottlenose dolphin and orca mothers and calves showed that, at least when at the surface, both mom and calf appeared awake 24 hours a day during the first month of the calf's life.