The peregrine falcon is the fastest animal in the world. It can fly at a speed of 68 miles per hour, and it can dive through the air at an even more amazing speed: 200 miles per hour! The falcons make these high-speed dives in order to catch other birds for food. They attack their prey in midair! These are just some of the fascinating facts kids will discover in the thrilling world of these swift birds of prey. Eye-popping photos and clear, easy-to-read text will engage emergent readers as they discover the anatomical features that help peregrine falcons reach fast speeds. A Speed-o-Meter graphic compares the peregrine falcons top speed to that of fastballs and roller coasters.