San Cristobal Island: This island is home to frigates, sea lions, Galapagos tortoises, robins gannets, geckos, marine iguanas, dolphins and seagulls of the Galapagos. The Española island is located at the southern tip of the Galápagos archipelago, is one of the oldest islands. Currently, there is no volcanic activity or volcanic cones, and its topography is very flat. It is the place where most of the 12,000 pairs of albatross in the world reproduce. Due to its aridity and lack of fresh water sources, it is a paradise for seabirds.