Assertion: robin's chick | /r/HasProperty | ready to leave the nest
Facets:
Source sentences:
text: Young birds are cared for by both parents for 14-16 days until the chicks are ready to leave the nest.
text: The chicks are ready to leave the nest within 18-20 days of hatching, but if this was an early brood one bird may stay back with its parents to help with the next brood.