Assertion: hoatzin's claw | /r/HasProperty | functional
Facets:
Source sentences:
text: The claws are present and functional for
text: It can express itself through hisses, meows or screams and the chicks are born with functional claws at its fledgling wingtips so they can climb to avoid predators.
text: The young hoatzins bear functional claws at the tip of their wings that help them move around the branches.