Assertion: duck's number | /r/HasProperty | observed
Facets:
Source sentences:
text: A report on a survey in the Hu Kaung valley in November 2003 concluded that there is sufficient reason to believe that pink-headed ducks may still exist in Northern Myanmar's Kachin State, but a thorough survey of the Nat Kaung river between Kamaing and Shadusup in October 2005 failed to find this species; a number of interesting ducks were observed, but they turned out to be spot-billed ducks or white-winged ducks.