Assertion: snow goose | /r/HasAspect | black wing tips
Facets:
value: generally
type: DEGREE
Source sentences:
text: They do have black wing tips, but these are barely visible when they are on the ground and can only be seen when they are in flight.
text: Snow geese may have white or dark plumage but generally have black wing tips, black patches on the sides of their bills, and pink legs and bills.