Assertion: great blue heron | /r/CapableOf | use deft movement of the head
Facets:
value: to drop the prey
type: PURPOSE
Source sentences:
text: Suddenly, its entire body unbends, its head plunges into the water, it catches the prey in its bill, and it swallows it outside the water, using a deft movement of the head to drop the prey headfirst into its gullet.