Assertion: trumpeter swan's feather | /r/LocatedNear | the base of the neck
Facets:
Source sentences:
text: It has gray legs and feet, an ivory-colored bill, a frill of black feathers surrounding the base of the neck, and brownish red eyes.
text: It is a large black vulture with a ruff of white feathers surrounding the base of the neck and, especially in the male, large white patches on the wings.