There are now at least 13 species of finches on the Galapagos ... is known as adaptive radiation. In his memoir, The Voyage of the Beagle, Darwin noted, almost as if in awe, "One might really ...

The Galápagos finches are a classic example of adaptive radiation. Their common ancestor arrived on the islands a few million years ago. Since then, a single species has evolved into different species ...

How do you know that finches' beak depth is heritable? You can see from Figure 2 that there is a correlation between the parents' and offsprings' beak size. How did the finch population change ...

How species have populated our planet has long fascinated biologists, particularly since the functional mechanism of evolution was described by Darwin (1859). In most regions of the Earth ...