Assertion: cormorant's bill | /r/MadeOf | nesting material
Facets:
Source sentences:
text: They greet each other at the nest with displays, including pointing the bill at the sky, a “gape” display in which they inflate the blue skin of the throat and cock back the head, and a display in which the females grasp the male’s bill (containing nesting material) and the two sway with bills locked, gradually placing the material in the nest.