Assertion: great auk's head | /r/HasProperty | some of the key features
Facets:
Source sentences:
text: A rounded head with extra-large facial discs with concentric gray circles, round, yellow eyes with a sharp gaze, a yellow bill with a black spot below it, and a characteristic ‘bow tie’ or ‘snowy mustache’ located below the facial discs are some of the key features to identify a Great Gray Owl lurking in the snow.