Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) yearling pup playing with own air bubbles in shallows, Gardner Islet, Espanola Island, Galapagos, Ecuador

Tui De Roy / Nazca booby (Sula granti) in flight at dusk. Punta Suarez, Espanola Island, Galapagos.

Andy Rouse / Espanola mockingbird, (Mimus macdonaldi), on beach, Galapagos

Tui De Roy / Waved albatross (Phoebastria irrorata) on nest, with fish hook in throat, Punta Suarez, Espanola Island, Galapagos.

Tui De Roy / Waved albatross (Phoebastria irrorata) group of three on nest, Punta Suarez, Espanola Island, Galapagos

Tui De Roy / Waved albatross (Phoebastria irrorata) pair in courtship display at nest site, Punta Suarez, Espanola Island, Galapagos

Tui De Roy / Brown pelican (Pelecanus occidentalis) close up whilst resting, Punta Suarez, Espanola Island, Galapagos

Tui De Roy / Espanola mockingbird (Mimus macdonaldi) on beach, Galapagos

Tui De Roy / Great frigatebird (Fregata minor) male guarding single chick. Punta Cevallos, Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Nazca boobies (Sula granti) against dawn sky. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Magnificent frigatebirds (Fregata magnificens) in low flight ovehead. Espanola Island, Galapagos, Ecuador, December.

Tui De Roy / Great frigatebird (Fregata minor) male taking flight at dusk. Espanola Island, Galapagos, Ecuador, May.

Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) looking out to sea on sandy beach. Endangered. Espanola Island, Galapagos, Ecuador, June.

Tim Laman / Marine Iguanas (Amblyrhynchus cristatus) on the south coast of Espanola Island, Galapagos, Vulnerable species

Pete Oxford / Waved albatross (Phoebastria irrorata) in flight with storm clouds, Punto Cevallos, Espa?? (Hood) Island, Galapagos islands, Equador, South America

Pete Oxford / Waved albatross (Phoebastria irrorata) portrait, Punta Cevallos, Espa?? Island, Galapagos Islands

Pete Oxford / Measuring bill size of Waved albatross (Phoebastria irrorata) Punta Suarez, Espa?? / Hood Island, Galapagos Islands

Pete Oxford / Waved albatross (Phoebastria irrorata) rear view, Punta Cevallos, Espa?? Island, Galapagos Islands

Pete Oxford / Waved albatross (Phoebastria irrorata) portrait, Punta Cevallos, Espa?? Island, Galapagos Islands

Pete Oxford / Waved albatross (Phoebastria irrorata) portrait, Punta Cevallos, Espa?? Island, Galapagos Islands

Pete Oxford / Waved albatross (Phoebastria irrorata) with water droplet falling from beak, Punta Cevallos, Espa?? Island, Galapagos Islands

Pete Oxford / Waved albatross (Phoebastria irrorata) portrait, Punta Cevallos, Espa?? Island, Galapagos Islands

Pete Oxford / Waved albatross (Phoebastria irrorata) pair at nest after change over for incubation, Punta Suarez, Espa?? Island, Galapagos Islands

Pete Oxford / Waved Albatross (Phoebastria irrorata) courtship, Punta Cevallos, Espa?? Island, Galapagos Islands, Ecuador, South America. Endemic, Critically endangered

Pete Oxford / Waved Albatross (Phoebastria irrorata) courtship, Punta Cevallos, Espa?? Island, Galapagos Islands, Ecuador, South America. Endemic, Critically endangered

Pete Oxford / Waved Albatross (Phoebastria irrorata) courtship, Punta Cevallos, Espa?? Island, Galapagos Islands, Critically Endangered

Tim Laman / Espanola (Hood) mockingbird (Nesomimus macdonaldi) standing on a Marine iguana (Amblyrhynchus cristatus), Espanola Island (Hood Island), Galapagos Islands.

Pete Oxford / Waved albatross (Phoebastria irrorata) pair in courtship display, Espa?? / Hood Island, Galapagos

Pete Oxford / Galapagos Sealion {Zalophus californianus wollebake} bull swimming, Galapagos Islands, Espanola Island, Ecuador

Tui De Roy / Saddleback Galapagos Tortoise (Chelonoidis hoodensis) in defensive posture, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Nazca Booby (Sula granti) group on coast, Punta Suarez, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) basking, Punta Suarez, Espanola Island, Galapagos Islands, Ecuador

Pete Oxford / Waved Albatross (Phoebastria irrorata) molting juvenile, Espanola Island, Galapagos Islands, Ecuador

Pete Oxford / Waved Albatross (Phoebastria irrorata) molting juvenile, Espanola Island, Galapagos Islands, Ecuador

Pete Oxford / Waved Albatross (Phoebastria irrorata) molting juvenile, Espanola Island, Galapagos Islands, Ecuador

Kevin Schafer / Galapagos Sea Lion (Zalophus wollebaeki) pups playing, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Blue-footed Booby (Sula nebouxii) pair performing courtship dance, Hood Island, Galapagos Islands, Ecuador

Tui De Roy / Blue-footed Booby (Sula nebouxii) pair performing courtship dance, Hood Island, Galapagos Islands, Ecuador

Tui De Roy / Waved Albatross (Phoebastria irrorata) courtship dance under rainy season clouds, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Waved Albatross (Phoebastria irrorata) courtship display sequence, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Waved Albatross (Phoebastria irrorata) pair bonding, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Waved Albatross (Phoebastria irrorata) pair bonding in flowering tribulus field during rains, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Waved Albatross (Phoebastria irrorata) courtship display sequence, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Blue-footed Booby (Sula nebouxii) pair performing courtship dance, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male basking with Sally Lightfoot Crab (Grapsus grapsus) scavenging dead skin, Hood Island, Galapagos Islands, Ecuador

Mark Jones / Marine Iguana (Amblyrhynchus cristatus) pair resting after morning feeding, vulnerable, Punta Suarez, Hood Island, Galapagos Islands, Ecuador

Tui De Roy / Waved albatross (Phoebastria irrorata) taking off, Espanola Island, Galapagos, South America.

Tui De Roy / Waved albatross (Phoebastria irrorata) head portrait, Espanola Island, Galapagos, South America.