Assertion: crag martin | /r/HasProperty | small passerine bird
Facets:
value: in the swallow family
type: OTHER
Source sentences:
text: The Dusky Crag Martin is a small passerine bird in the swallow family.
text: and the Dusky Crag Martin is also small and has darker plumage, particularly on its underparts.
text: The Crag Martin, (Ptyonoprogne rupestris), is a small perching bird in the swallow family.
text: The Dusky Crag Martin (Ptyonoprogne concolor) is a small passerine bird in the swallow family.
text: The Eurasian Crag Martin or just Crag Martin, Ptyonoprogne rupestris, is a small passerine bird in the swallow family.
text: The Dusky Crag Martin (Ptyonoprogne concolor) is a small passerine bird in the swallow family.