Assertion: penguin's plumage | /r/HasProperty | insulated
Facets:
value: highly
type: DEGREE
Source sentences:
text: Because penguins depend on their highly insulated plumage as protection and waterproofing, they undergo severe fasting periods during molting.
text: Because penguins depend on their highly insulated plumage as protection and waterproofing, they undergo severe fasting periods during molting.