The Grants study the evolution of Darwin's finches on the Galapagos Islands ... The Grants had documented natural selection in action. While beak size is clearly related to feeding strategies ...

Natural selection at its most powerful winnowed certain finches harshly during a severe drought in 1977. That year, the vegetation withered. Seeds of all kinds were scarce. The small, soft ones ...

Overall, there are about 15 closely related species of Darwin's finches. The video could be used as starter on a lesson on evolution, adaptation and natural selection, or as a part of a discussion on ...

Iconic species such as tortoises, finches, boobies, and marine iguanas could suffer. The famed ecosystems that taught the world about natural selection may teach us a lesson yet again, offering us ...

Their research has shown that natural selection is frequently at work in the Galápagos: After a drought, finches with larger beaks were able to eat tough seeds and survive; their offspring became ...

Consider, for instance, the famous finches of the Galápagos ... we can actually see the hand of natural selection at work, molding and modifying the DNA of genes and their expression to adapt ...

Evolution is driven by a process called natural ... ship visited the Galapagos Islands off the coast of Ecuador in the Pacific Ocean. There he saw some small birds called finches on the different ...

Along the way, you'll encounter various species of giant tortoises and cactus forests, home to Darwin's finches. You'll also find the Station's enchanting beach, nestled among mangroves ...