Assertion: common minke whale | /r/HasProperty | observed spyhopping
Facets:
value: in cracks
type: LOCATION
Source sentences:
text: In the narrow holes and cracks in the pack ice they have been observed spyhopping – raising their head vertically – to expose their blowholes to breathe; individuals have even been seen to break breathing holes through sea ice in the winter (July–August), rising in a similar manner.