Assertion: echo parakeet | /r/HasProperty | known including jones
Facets:
value: by the 1980s
type: TEMPORAL
Source sentences:
text: By the 1980s, only 8–12 echo parakeets were known, including three females, and Jones, who had led the efforts that saved the Mauritius kestrel and the pink pigeon, turned his focus on the parakeets.