The Darwin’s finches on Galápagos provide such an opportunity because the beak color of nestlings in several species are either yellow (with carotenoids) or pink (lacking carotenoids).

Darwin finches fall into four categories ... Many have more than one color. Finches can also vary between genders of specific species. For example, the male Zebra finch is a colorful bird with ...

These birds are collectively known as Darwin’s finches because they helped British naturalist Charles Darwin uncover the process of evolution by natural selection. Researchers have found that ...

In the sunbaked Galápagos Islands, a male finch perches on a branch, hearing what sounds like another bird’s song. But something’s not quite right. The song is slower and deeper, like a ...

In his memoir, The Voyage of the Beagle, Darwin noted, almost as if in awe, "One might really fancy that, from an original paucity of birds in this archipelago, one species had been taken and ...

The finches that call Ecuador’s Galápagos Islands home are biological rock stars, as they provided a key piece of evidence for Charles Darwin’s theory of evolution. One reason for this is how ...

Their study uses one of the largest genomic datasets ever produced for a wild animal, comprising nearly 4,000 Darwin’s finches, to reveal the genetic basis of adaptation in this iconic group. This ...

In research recently published in Science, biologists from the University of Massachusetts Amherst have identified a key connection between ecology and speciation in Darwin’s finches ...