Assertion: black vulture's number | /r/HasProperty | given protection
Facets:
value: in the 20th century
type: TEMPORAL
Source sentences:
text: Members of Ardeidae fly with their necks retracted, unlike other long-necked birds such as storks, ibises, and spoonbills.egrets, including the great egret, were decimated in the past by plume hunters, but numbers recovered when given protection in the 20th century.