Assertion: flamingo's bill | /r/HasProperty | developed
Facets:
value: enough to filter-feed
type: PURPOSE
Source sentences:
text: Both parents nurse their chick and young flamingos feed on this milk, which also contains red and white blood cells, for about two months until their bills are developed enough to filter feed.
text: Both flamingo parents take care of their chick, and young flamingos feed on this milk, which contains red and white blood cells, for two months until their bill is developed enough to filter-feed.