Anotherareaaffectedbyglobalwarmingistheanimalkingdomandnature.Thenumberofanimalsperspeciehasbeendecreasingannuallyduetoharshenvironmentalchanges.Asthepolaricecapsmelt,allcreaturesthatlivethereareleftwithoutshelter.Forexample,assealdenshavebeenmelting,thenumberofsealshasdropped.Eventsthatoccurinthespring,suchasmating,migrating,layingeggs,andreturningfromhibernationhavebeentakingplaceapproximately5.1daysearlierthantheywerefiftyyearsago.Theearlyoccurrenceoftheseeventsprovesthattheearthisgettingwarmereachyear.Moreproofofwarmingistheevidenceofmanyanimalstravelingfartherfromtheequatorastheymigrate.Althoughthischangehasbeenoccurringwithvariouscreatures,butterfliesandmosquitoesarebeingfoundthefarthestfromtheirnaturalhabitats.Eventhoughbutterfliesdonotcauseanyknownproblemswiththeenvironment,mosquitoesarecarriesofmalaria.Thisdeadlydiseasehasdangerouslyspreadtonewregionsacrosstheglobe.Iftheworldcontinuestowarm,thisissue,alongwithmanyothers,willcontinuetogrow