Assertion: hoatzin's claw | /r/CapableOf | disappear by the time
Facets:
Source sentences:
text: These claws disappear by the time the bird reaches adulthood.
text: These claws disappear by the time the bird reaches adulthood.
text: The wing claws disappear by the time the Hoatzin matures, at which point the birds can pretty much pass as normal, at least from the outside.