Assertion: storm petrel | /r/HasProperty | hard
Facets:
Source sentences:
text: In the case of most petrel species, little is known of their behaviour and distribution at sea, where they can be hard to find and harder to identify.
text: In the case of most species, little is known of their behaviour and distribution at sea, where they can be hard to find and harder to identify.
text: In the case of most species, little is known of their behaviour and distribution at sea, where they can be hard to find and harder to identify.