Six consecutive droughts is all it takes for a new species of finch to emerge in the Galapagos islands, scientists have said.
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 ...
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 ...
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 ...
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 ...
To biologists, a trip to the Galápagos is something of a pilgrimage to sacred evolutionary ground, for it is here in 1835 that Charles Darwin witnessed how giant tortoises, finches, and other taxa ...
You'll find birds on all of the Galápagos' islands, but for some of the region's best bird-watching, travelers recommend heading to Bartolomé or Isabela Island (for Galapagos penguins ...
The islands are quite close together and they have similar landscapes, plants and animals. But if you look carefully, you can see that they’re not exactly the same. For example, the finches on ...
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 ...