CADIZ — A cool wind gives the branches a consistent rustle, early sunlight filters through the overgrowth, and four one-year-olds come out to play.

Nothing like your average toddler, Trace, Piney, Ginger and Sugar sniff and creep, chase off a large crow intent on invading their enclosure, race to the other side, hide behind a hill and cautiously peer out again, huddling together with their mom or dad.