Assertion: north island saddleback | /r/CapableOf | use their bill
Facets:
value: as an anvil
type: MANNER
value: to chip at rotten wood
type: PURPOSE
Source sentences:
text: They use their bill as an anvil to chip away at rotten wood, investigate under cabbage tree skirts and epiphytes, burrow into leaf litter and glean branches, trunks and leaves.