Assertion: crocodile | /r/HasProperty | unique
Facets:
value: in have actively controlled muscular valves
type: OTHER
value: among north american crocodiles
type: OTHER
value: totally
type: DEGREE
value: in build mound nests
type: LOCATION
Source sentences:
text: Morelet's crocodiles are unique among North American crocodiles in that they build mound nests only, and not mound and hole nests.
text: Crocodiles are totally unique in that they have actively controlled muscular valves in the heart.