Darwin’sDiscovery
In1831,CharlesDarwinsailedonaship.Itwascalledthe Beagle. HewasanaturalistfromEngland.HevisitedSouthAmerica.Hisjobwastocollectandstudyanimals,plants,and rocks.
TheshipreachedtheGalápagosIslandsin1835.Darwinvisitedfourislands.SanCristóbalwasthefirst.Thisislandismadeupoffourvolcanoes.Itisdryandrocky.Hefoundmarineiguanas,smallbirds,anddesertplants.OnFloreana,hefoundmorebirds.Theyweredifferentfromtheonesonthefirst island.
SanCristóbal mockingbird
Charles Darwin
Darwin’sLongestStay
ThevolcanoonIsabelaIslandwaseruptingwhenDarwinsawit.Hecollectedland iguanas.
ThenhewenttoSantiagoIsland.Here,hestayedthelongest.Hesawthatthegianttortoisesweredifferentthantheonesonother islands.
Darwincollectedmanyplantsandanimals.Howdidtheysurvivehere?Hewasn’t sure.
DarwintookhissamplesbacktoEngland.Hesharedthemwithother naturalists.
Floreana mockingbird
LifeScience
HistoryofScience
femalevegetarian finch
smallground finch