Assertion: flamingo's color | /r/CreatedBy | carotenoid pigments
Facets:
value: in their food
type: LOCATION
Source sentences:
text: The pink, orange, or red color of a flamingo’s feathers is caused by carotenoid pigments in their food, the same pigments that make tomatoes red and carrots orange.
text: The pink, red or orange color of their feathers is caused by carotenoids pigments in their food.