The Charles Darwin Foundation for the Galapagos Islands (CDF) is an international non-profit research organization dedicated to providing scientific research, technical assistance and information to ensure conservation success in...

The HMS Beagle, carrying Charles Darwin, sailed for five years and circumnavigated the world. Darwin recorded his observations in journals and later published them in 1839. This site contains pictures related to this expedition.

[Free Registration/Login may be required to access all resource tools.] Do you ever wonder why some birds are big like ostriches and some birds are small like robins? Or why a lion has a mane while a leopard has spots? In the 19th...

[Free Registration/Login Required] An informational text about natural selection and its role in the theory of evolution. A question sheet is available to help students build skills in reading comprehension.

In this personal site find 28 large high-quality pictures of the islands nature - huge turtles, iguanas, exotic birds, sea cats, and of course perfect landscapes. It's an interesting photo cruise to Galapagos islands.

This encyclopedia article from Wikipedia on adaptive radiation discusses what it is, lists some examples, and distinguishes between the three different types of adaptive radiation.

This graphic from Ecology and Evolution of Darwin's Finches by Peter Grant presents data from the Galapagos Islands, showing that a severe drought put selective pressure on the population of Darwin's finches and resulted in a change in...