Assertion: cockatoo's bird | /r/HasProperty | part of an annual census
Facets:
Source sentences:
text: The bird is part of an annual census, the Great Cocky count, that has been held every year since 2009 to track the population change of Carnaby's and other black cockatoos.
text: The bird is part of an annual census, the Great Cocky count, that has been held every year since 2009 to track the population change of Red-tailed and other black cockatoos.
text: The bird is part of an annual census, the Great Cocky count, that has been held every year since 2009 to track the population change of Baudin's and other black cockatoos.