The archipelago's largest island, Isabela, was formed approximately 1 million years ago by the merge of six young volcanoes: Alcedo, Cerro Azul, Darwin, Chico Volcano, Sierra Negra, and Wolf. This makes the island of Isabela one of the most volcanically active places on earth.
The Galapagos Marine Reserve is one of the largest and most biologically diverse marine protected areas in the world. It covers 133,000 square kilometers (51,352 square miles), surrounding the Galapagos Islands in the eastern Pacific Ocean, about 1,000 kilometers (600 miles) off Ecuador’s coast.
Birdwatchers come from all over the world to visit the Galapagos Islands, where there are hundreds of bird species to be seen. Many of them are endemic, so the Galapagos is the only place in the world to see them!