Sylvie the flamingo is trying on different identities. Once she learns that she is pink because of her shrimp diet, she experiments with different food. She turns purple from eating grapes, brown from eating chocolate, and other attractive colors. However, she starts to feel icky and not like herself. Therefore, at the end of the book, Sylvie goes back to her diet and her beautiful pink color and decides that she’s at her best when she’s her true self.