Violet A. Hummingbird flies around telling different animals that she has wings that help her fly and she asks them if they can fly too! All of the friends that she meets can't fly except for one. There is another one that has wings, but they use their wings to swim. The one friend that she does meet that has wings and can fly like her is a bat. The bat teaches her about echolocation, which is what the bat uses to communicate and to find his way around quickly.