Assertion: american coot's bill | /r/HasAspect | bluish grey tinge
Facets:
Source sentences:
text: There are two tiny red knobs at the top of the facial shield, which are not visible at any great distance and are only present in the breeding season; the black feathering between the shield and the bill is rounded, whereas in Eurasian it comes to a point; and the bill has a bluish grey tinge.