Assertion: petrel | /r/HasProperty | pterodroma leucoptera
Facets:
Source sentences:
text: Gould's petrel (Pterodroma leucoptera) is a species of seabird in the family Procellariidae.
text: Today it is known as Gould's petrel (Pterodroma leucoptera).
text: Gould's Petrel (Pterodroma leucoptera) is a species of seabird in the Procellariidae family.