Dream books read a baby bird as something new and fragile that needs protecting — an idea, a feeling or a relationship at its very start. Feeding one is seen as nurturing that beginning.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.