<p>Animalscongregateinplaceswheretheirbasicneedscanbemet:havensfrompredatorswherecompetitionforfoodismanageableandbreedingopportunitiesareabundant.Journeytothehabitatsoftheseone-of-a-kindanimalsandlearntheirsurvivalstories,fromnestingfairypenguins,tomigratingcaribou.</p>
