Assertion: sand martin | /r/Synonym | bank swallow
Facets:
value: in north america
type: LOCATION
value: in the new world
type: LOCATION
Source sentences:
text: (These two systems are responsible for the sand martin being called "bank swallow" in the New World.)
text: It is known as Bank Swallow in North America, and as Collared Sand Martin in South Asia, and sometimes as European Sand Martin.