Assertion: tern | /r/HasProperty | free
Facets:
value: relatively
type: DEGREE
value: from parasites
type: OTHER
value: from natural predators
type: OTHER
Source sentences:
text: Terns are long-lived birds and are relatively free from natural predators and parasites; most species are declining in numbers due directly or indirectly to human activities, including habitat loss, pollution, disturbance, and predation by introduced mammals.