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Wildlife that retain a color due to what they eat

The flamingo is pink because of a diet high in carotenoids. Are there any other wildlife that is a particular color because of the food it eats?

Wildlife Expert - Ken Burton

Carotenoid pigments obtained from food are responsible for many of the yellows, oranges, and reds in feathers of a wide variety of birds. Wild salmon have pink flesh because of carotenoids obtained from the crustaceans they eat. Many types of parasites derive their color from their hosts' hemoglobin. There probably are many other examples of food-derived animal colors as well.

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2007 eNature.com