Six consecutive droughts is all it takes for a new species of finch to emerge in the Galapagos islands, scientists have said.

The ancestral finch was a ground-dwelling, seed-eating finch. After the burst of speciation in the Galapagos, a total of 14 species would exist: three species of ground-dwelling seed-eaters ...

By Liz Kimbrough In the sunbaked Galápagos Islands, a male finch perches on a branch, hearing what sounds like another bird’s ...

Darwin’s Finches on Daphne Major Island, New Edition,” by evolutionary biologists Peter Grant and Rosemary Grant is the ...

The medium ground finch <i>Geospiza fortis</i> (illustrated here) diverged in beak size from the large ground finch (<i>Geospiza magnirostris</i>) on Daphne Major Island, Gal&aacute;pagos ...

Seeds of all kinds were scarce. The small, soft ones were quickly exhausted by the birds, leaving mainly large, tough seeds that the finches normally ignore. Under these drastically changing ...

David Lack's classic work on the finches of the Galapagos Islands (Darwin's Finches) was first published in 1947; few books have had such a great impact on evolutionary biology, indeed it is still one ...

For example, the finches on one island have pointy beaks ... It’s amazing that such a small group of islands have had such a large impact on our understanding of the world.

Scientists have revealed that just six consecutive droughts can lead to the emergence of a new species of finch in the Galapagos islands. The Galapagos, an Ecuadorian province, is renowned for its ...