Giant Tortoises and Darwin's Finches

Giant Tortoises and Darwin's Finches

Giant tortoises and Darwin’s finches are two famous examples that helped shape the theory of evolution. Charles Darwin observed these animals on the Galápagos Islands during his voyage on the HMS Beagle. He noticed that tortoises from different islands had di...

Darwin’s discoveries in the Galápagos continued beyond the iguanas. The islands were named after giant tortoises—huge reptiles so big that two people could ride on them!

As Darwin observed them, he noticed they looked different depending on where they lived.

For example, on islands where food was close to the ground, the tortoises h...