Assertion: canvasback's head | /r/HasProperty | peaked at the rear
Facets:
Source sentences:
text: The Freckled Duck is a dark, greyish-brown bird with a large head that is peaked at the rear, and a distinctive narrow, slightly up-turned bill.
text: The Freckled Duck is a dark greyish-brown duck with a large head that is peaked at the rear, and a distinctive narrow and slightly upturned bill.