Happiness or cheerfulness.
The beginning of a cycle.
The idea of new beginnings, starting fresh, or freshness.
Early (such as early enough, or too early).
Dreaming of this animal can represent too much or not enough of one of those qualities, or someone or something you associate with the quality or animal.
Consider also the animal’s actions, context, and your feelings about it.
As a harbinger of spring, the robin nearly universally represents renewed hope, fresh beginnings, reversals in negative attitudes, and a dawning light being shed on difficult situations.
In England, an emblem of fertility, especially if one comes pecking at a window. [2]
2. Great fortune.
3. Domestic bliss (a nest of robins). [5]