Assertion: petrel's family | /r/HasProperty | the storm-petrels
Facets:
Source sentences:
text: The family Hydrobatidae is the storm-petrels, small pelagic petrels with a fluttering flight which often follow ships.
text: The families Oceanitidae and Hydrobatidae are the storm petrels, small pelagic petrels with a fluttering flight which often follow ships.
text: The family Hydrobatidae is the storm-petrels, small pelagic petrels with a fluttering flight which often follow ships.