Assertion: laughing gull | /r/HasProperty | medium-sized bird
Facets:
value: in north and south america
type: LOCATION
value: with a gray
type: OTHER
value: with white underparts
type: OTHER
Source sentences:
text: The laughing gull (L. atricilla), a medium-sized bird with a black head, red bill, and red feet, often gives vent to a strident, laughing call.
text: Laughing gulls are medium-sized gulls with white underparts and a gray back.
text: Laughing gull, laughing seagull or Leucophaeus atricilla is a medium-sized bush in North and South America.
text: The laughing gull (L. atricilla), a medium-sized bird with a black head, red bill, and red feet, often gives vent to a strident, laughing call.
text: Notes: Laughing Gulls are medium-sized gulls that are gray above and white below.