Peregrine falcons plummet through the air at top speed to snag their favorite meal―smaller birds. Big, bold photos accompany carefully-leveled text on habitat, behavior, life cycle, and threats to this speedy raptor.Peregrine falcons plummet through the air at top speed to snag their favorite meal―smaller birds. Big, bold photos accompany carefully-leveled text on habitat, behavior, life cycle, and threats to this speedy raptor.