Assertion: gull's call | /r/HasProperty | herring gull
Facets:
value: with a markedly deeper pitch
type: OTHER
Source sentences:
text: The call is a "laughing" cry like herring gull, but higher pitched.
text: The call is a "laughing" cry like that of the Herring Gull (to which this species is closely related), but with a markedly deeper pitch.