Ready, set, go Did you ever wonder which animals are the fastest... and the slowest? All birds can move But how do these animals actually go from place to place? Eagles can soar and glide. Hummingbirds can fly forward and backward.. Ostriches can run using their strong legs. Penguins don't fly: they waddle or swim. Which animal do you think would win in a race? Look inside to discover which of the ten birds in this book are super...