SearchingfortheSea

RedcrabsliveonChristmasIsland.TheislandisinthePacificOcean.Everyyear,thecrabsmigrate.Howdotheyknowwhentogo?Whenthewetseasoncomes,theyknowtomove.Thecrabsleavetherainforest.Theytraveltothesea.Theylayeggs.Thentheyreturnhome.