Assertion: white winged tern | /r/HasProperty | the standard
Facets:
value: in most english-speaking countries
type: LOCATION
Source sentences:
text: The name 'white-winged tern' is the standard in most English-speaking countries; in the United Kingdom, this name is also the one used by the formal ornithological recording authorities, but the older alternative 'white-winged black tern' is still frequent in popular use.