Different finch species have beaks of different shapes and

Last updated: 7/30/2022

Different finch species have beaks of different shapes and sizes. These different beak structures are evidence of different finch species with different beak structures coming to the Galápagos Islands from the mainland. individual birds changing their beak characteristics so that they could feed efficiently. different finch populations being evolutionarily related. different finch species adapting to different environments over many generations.