Land of Giants

LandofGiants

Perhapsthemostwell‑knownspeciesoftheGalápagosisthegiant tortoise.


Eachspeciesis“built”tosurviveonitsisland.Tortoiseswithdomedshellsliveinhighlandswithfertilepastures.Theshapeoftheirshellkeepsthemfromraisingtheirheadshigh.So,theyneedtofindfoodclosetothe ground.


Othertortoiseshaveshellsthatcurveupwardatthefront.Theyliveonislandswithlessvegetation.Theycanreachforfoodthat’shigheroffthe ground.

Galápagosgiant tortoise

gianttortoisewithsaddleback shell

gianttortoisewithdomed shell

AtRisk

Sadly,oneofthetortoise’sbestadaptationsbecameacauseofitsdecline.Gianttortoisescansurvivefornearlyayearwithoutfoodorwater.So,sailorsandwhalerscollectedthemtohavefreshmeattoeatonlongtrips.Tortoiseswerealsoexploitedfortheirfat,usedinlamps.About200,000tortoiseswerekilledforthesereasons.In1959,theGalápagosNationalParkwascreated.Soonafter,theTortoiseBreedingCenteronSantaCruzwas established.

TortoisesToday

TheTortoiseBreedingCentertookabigsteptoslowthelossofgianttortoises.Theybeganraisingcaptivetortoises.Oncethey’relargeenoughtobesafe,thecenterreintroducesthemintothewild.Bytheendof2017,morethan7,000 youngtortoiseswerereturnedtotheir islands.

Thecenteralsowantstobringtortoisesback​​​​​​​ toislandswherethey’vegoneextinct.Thishappenedontwoislandsinthemid‑1800s.Andin2012,withthedeathofLonesome George.

WhoWasLonesomeGeorge?

ThePintaIslandtortoisewasextinct.Noonehadseenonesince1906.Thenin1971,ascientistdiscoveredonebyaccident.ThattortoisewasLonesomeGeorge.GeorgewasmovedtotheCharlesDarwinResearchStationonSantaCruz.Helivedtherefor40years.Hewasabout100whenhedied.Bythen,Georgehadbecomeasymbolforconservation everywhere.

LifeScience

BiodiversityandHumans