Figure 1. Researchers found that it is possible for speciation to occur in finches in the Galapagos Islands within a couple of generations.

New Species of Finch Developed After Three Generations

By Meghan Bialt-DeCelie ‘19 Darwin’s finches from the Galapagos Islands are one of the hallmarks of the scientific field of evolution studies. Species classification between two organisms is determined by the ability to successfully reproduce a nonsterile progeny. Several factors such as physical, behavioral, and biological differences can cause reproductive isolation, or prevention of two organisms from reproducing. Reproductive isolation can cause speciation, or the … Continue reading New Species of Finch Developed After Three Generations