- Travled to the Galapagos Islands on the HMS Beagle to study the different species there.
- He noticed that the finches on the Galapagos Islands were indeed the same species, yet their beaks were different, on one island, the beaks were small, for catching insects, on other islands, they had larger beaks, for cracking nuts and fruit.
- This is where the idea of Natural Selection came from.
The Origin of Species Darwin, Charles; Grant Richards Publishing, London 1902
Digitalized by Google http://books.google.com/books?id=GfcVAAAAYAAJ&printsec=frontcover&dq=origin+of+species&hl=en&sa=X&ei=-a4WUf37AqbAigKYgoGoBw&ved=0CC0Q6AEwAA
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