Assertion: white chinned petrel | /r/SimilarTo | black petrel
Facets:
value: very
type: DEGREE
Source sentences:
text: Similar species: white-chinned petrels are very similar to Westland petrel and black petrel; apart from overall size (black petrel is smaller) and the absence of white on the chin, both Westland petrel and black petrel have a dark tip to the bill.