Multiple choice general knowledge sports The feet of the Puffin are red in the summer, what colour are they in winter? Lime Yellow jack Andy Gray Yellow Reveal answer Fill a bubble to check yourself D Correct answer Explanation Puffins undergo seasonal color changes in their feet and beaks. During the breeding season (summer), their feet are bright red, but in winter they fade to a duller yellow color. This seasonal dimorphism is related to breeding displays.