" When going about their daily rituals of feeding and sparring, hummingbirds can fly backwards, sideways, and upside down. Because they love fast-moving food, this diversity of motion is necessary for catching fruit flies that have perfected their own quick-escape strategies. Equally important, hummingbirds' aerial gymnastics are crucial for them to be able to feed on flowers swaying unpredictably in the wind. "

― Terry Masear , Fastest Things on Wings: Rescuing Hummingbirds in Hollywood