Sally lightfoot crab (Grapsus grapsus) in the litoral of the Galapagos Island Archipeligo, Ecuador.

Sally lightfoot crab (Grapsus grapsus) in the litoral of the Galapagos Island Archipeligo, Ecuador.

Galapagos sea lions (Zalophus wollebaeki) in Gardner Bay on Espanola Island in the Galapagos Island roup, Ecuador. Pacific Ocean. (rr)

Galapagos sea lions (Zalophus wollebaeki) hauled out on the beach in Gardner Bay on Espanola Island in the Galapagos Island roup, Ecuador. Pacific Ocean.

The endemic marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Group, Ecuador. This is the only marine iguana in the world, with many of the main islands having it's own subspecies. Pacific Ocean.

The endemic marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Group, Ecuador. This is the only marine iguana in the world, with many of the main islands having it's own subspecies. Pacific Ocean.

The endemic marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Group, Ecuador. This is the only marine iguana in the world, with many of the main islands having it's own subspecies. Pacific Ocean.

The Espanola mockingbird (Nesomimus macdonaldi) on the beach at Punta Suarez on Espanola Island in the Galapagos Island Group, Ecuador. This endemic species of mockingbird is only found on Espanola Island. Pacific Ocean.

Mother and pup Galapagos sea lion (Zalophus wollebaeki) hauled out in Gardner Bay on Espanola Island in the Galapagos Island roup, Ecuador. Pacific Ocean.

Adult waved albatross (Diomedea irrorata) in flight on Espanola Island in the Galapagos Island Group, Ecuador. Pacific Ocean. This species of albatross is endemic to the Galapagos Islands.

Adult brown pelican (Pelecanus occidentalis) in breeding plumage bathing in seawater on Bartolome Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

The endemic marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Group, Ecuador. This is the only marine iguana in the world, with many of the main islands having it's own subspecies. Pacific Ocean.

Famous pinnacle at Bartholome Island in the Galapagos Island Archipeligo, Ecuador.