Future Fledglings refers to the young of a species that are yet to reach maturity. The term is often used to refer to birds, as the word 'FLEDGLING' is derived from the Old English word 'fledgeling', which means a young bird that has just left the nest and is learning to fly. In this crossword, the term is represented by the answer 'EGGS', which is a four-letter word. Eggs are the first stage of a bird's life cycle, and they are the starting point for future fledglings.