Assertion: avocet's bill | /r/HasProperty | the length of the head
Facets:
Source sentences:
text: Bill twice the length of the head, very slender, much depressed, tapering to a point, and slightly recurved; upper mandible with the dorsal line straight for half its length, then a little curved upwards, and at the tip slightly decurved, the ridge broad and flattened, the edges rather thick; ...