Assertion: tern's flight | /r/HasProperty | those of the genus sterna
Facets:
value: especially
type: OTHER
Source sentences:
text: any of numerous aquatic birds of the subfamily Sterninae of the family Laridae, related to the gulls but usually having a more slender body and bill, smaller feet, a long, deeply forked tail, and a more graceful flight, especially those of the genus Sterna, as S. hirundo (common tern) , of Eurasia and America, having white, black, and gray plumage.
text: any of numerous aquatic birds of the subfamily Sterninae of the family Laridae, related to the gulls but usually having a more slender body and bill, smaller feet, a long, deeply forked tail, and a more graceful flight, especially those of the genus Sterna, as S. hirundo (common tern) , of Eurasia and America, having white, black, and gray plumage.