OvertheIce

DuringwinteronAntarctica,Adeliepenguinsmigratenorth.Theyliveonlargechunksofice.Duringsummer,theyheadsouthtobeaches.Theylookforice‑freelandtobuild nests.

Penguinsfollowthesun.Inwinter,thesunishardtofind.So,penguinsfollowtheice.Theice“grows”overtheoceanduringwinter.Theyliveattheedgeofthisicenearthe ocean.