The big-beaked finches just happened to be the ones favored by the particular set of conditions Nature imposed that year. Now the next step: evolution. The Grants found that the offspring of the ...

Overall, there are about 15 closely related species of Darwin's finches. The video could be used as starter on a lesson on evolution, adaptation and natural selection, or as a part of a discussion on ...

Tui De Roy / Minden Pictures In Charles Darwin’s day, the Galápagos Islands were perhaps the best place in the world to observe evidence of evolution ... by sea or air. Finches and mockingbirds ...