What are the foreshadowing examples in The Ugly Duckling?

There are several foreshadowing examples in The Ugly Duckling. One example is when the ugly duckling is born and his mother says "he is so ugly that I'm sure he'll never grow up to be a swan." This foreshadows the ugly duckling's transformation into a beautiful swan. Another example is when the ugly duckling is rejected by the other animals and they say "he is too ugly to be with us." This foreshadows the ugly duckling's eventual acceptance by the other animals.