An injured goose rescued by Babushka, having broken the painted eggs intended for the Easter Festival in Moscva, lays thirteen marvelously colored eggs to replace them, then leaves behind one final miracle in egg form before returning to her own kind.
Having met Jesus in the Garden of Gethsemane and followed him to Jerusalem, Rabbit experiences the wonder of the Resurrection and gives away colored eggs to remind children of the gift of eternal life.
One spring the Easter Bunny slept right through Easter. He didn't wake up until Mother's Day and nobody wanted Easter eggs then, or on the Fourth of July, or Halloween. On Christmas eve Santa Claus gave him a present so he'd be sure to be on time the next year.