Tui De Roy / Blue-footed Booby (Sula nebouxii) parent and chicks at nest, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Blue-footed Booby (Sula nebouxii) incubating eggs, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) submerged in salty pools to avoid mosquitoes, Santa Cruz Island, Galapagos.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) two on beach, Santa Cruz Island, Galapagos.

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) pair basking, Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Tim Zurowski / Island Scrub Jay (Aphelocoma insularis), California

Pete Oxford / Galapagos Giant Tortoise (Chelonoidis nigra), Santa Cruz Island, Galapagos Islands, Ecuador

Pete Oxford / Galapagos Giant Tortoise (Chelonoidis nigra) grazing, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Santa Cruz Galapagos tortoise (Chelonoidis nigra porteri) feeding on grass, Santa Cruz Highlands, Galapagos

Tui De Roy / Santa Cruz Galapagos tortoise (Chelonoidis nigra porteri) feeding on grass, Santa Cruz Highlands, Galapagos

Tui De Roy / Blue-footed booby (Sula nebouxii) 'dancing' courtship display, Santa Cruz Island, Galapagos, Ecuador.

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus), Tortuga Bay, Santa Cruz Island, Ecuador