[1][2] It consists of a tuff crater, devoid of trees, whose rim rises 120 m (394 ft) above the sea.

Though easily accessible to most visitors to the Galápagos, the national park service has highly restricted visits to this island, and it is primarily used for scientific research.

Daphne Major finches are the main source of the understanding of animal evolution in the Galápagos.

[3][4] An intensive study of Darwin's finches was conducted here by biologists Peter and Rosemary Grant over a period of 20 years.

They examined the behaviour and life cycles of the finches, demonstrating the role of natural selection in producing biological evolution.