barren volcanic island in the Galapagos. Even fewer would have the patience to catch, weigh, measure, and identify hundreds of small birds and record their diets of seeds. But for the Grants ...

There are now at least 13 species of finches on the Galapagos Islands, each filling a different niche on different islands. All of them evolved from one ancestral species, which colonized the ...

As you’ll see in the above video, the vampire ground finch is one blood-thirsty little bird. The vampire finch (Geospiza septentrionalis) is an unusual bird that only lives on two remote islands ...

Did you know the Galápagos Islands have species found nowhere else? Located about 1,000 kilometers off Ecuador’s ...

But if you look carefully, you can see that they’re not exactly the same. For example, the finches on one island have pointy beaks for catching insects. But a similar finch on another island has ...