“But how do they do that? All move together?” Cleo had read about this when she first moved here, and she was happy to know the answer. “Each starling is only ever aware of five other birds,” she said. “One above, one below, one in front and one either side, like a star. They move with those five, and that’s how they stay in formation.” “But who’s the leader? Who decides which way they go?” “There isn’t one.” Cleo smiled. “That’s the mystery.”
