Assertion: tern | /r/HasProperty | sterna albifrons
Facets:
Source sentences:
text: The Least tern (Sterna albifrons), Bridled tern (Sterna anaethetus) and Brown Noddy (Anous stolidus) nest on Aruba up to pairs of 100.
text: They are long-winged, web-footed birds, the smallest of which is the least tern (Sterna albifrons), weighing about 43 grams (1.5 ounces), with a wingspread of about 50 cm (20 inches).