A rhyming exploration of migration, looking at various animals who are led by instinct to migrate every year by land, sea, and air. Interest Level: K-3 Reading Level: 3.0 ATOS Book Level: 5.3 AR Interest Level: LG AR Points: .5 AR Quiz: 137199EN Lexile Measure: 790 Lexile Code: AD (Adult Directed) Fountas & Pinnell: O.