Explains how Arctic terns live; discusses their migration, its purpose, and its route; and lists threats Arctic terns may face on their migration. Part of the Child's World "Animal Migrations" set. Interest Level: K-3 Reading Level: 3.9 ATOS Book Level: 4.2 AR Interest Level: MG AR Points: .5 AR Quiz: 149544EN Reading Counts Level: 3.8 Reading Counts Points: 3 Lexile Measure: 660 Guided Reading Level: P. Teaching Books: https://school.teachingbooks.net/tb.cgi?tid=64083.