Nick Hawkins / Galapagos green turtle (Chelonia mydas agassizi) swimming above sea floor with shoal of fish in background. Off San Cristobal Island, Galapagos.

Tui De Roy / San Cristobal giant tortoises (Chelonoidis chatamensis), fighting, Galapaguera, San Cristobal Island, Galapagos

Tui De Roy / Blue-footed booby (Sula nebouxii), pair in courtship display. Punta Pitt, San Cristobal Island, Galapagos. April 2017.

Tui De Roy / Chatham Island Tortoise (Chelonoidis nigra chathamensis), Galapaguera, San Cristobal Island, Galapagos Islands, Ecuador

Alex Mustard / Portrait of Sally lightfoot crab (Grapsus grapsus) on a beach. San Cristobal Island, Galapagos Islands, Ecuador. Tropical East Pacific Ocean.

Tui De Roy / Brown pelican (Pelecanus occidentalis) in flight above wave. San Cristobal Island, Galapagos, Ecuador, June.

Pete Oxford / Galapagos sealion (Zalophus californianus wollebaeki) sunning on rock, Cerro Brujo, San Cristobal Is, Galapagos

Pete Oxford / Blue footed boobies plunge diving {Sula nebouxii} San Cristobal Is, Galapagos Islands

Pete Oxford / Sally lightfoot crab {Grapsus grapsus} San Cristobal Is, Galapagos Islands, Ecuador Book page 100

David Tipling / Boy swinging on hammock. Nara village, Makira Island, Solomon Islands. 2018.

Nick Hawkins / Red-billed tropicbird (Phaethon aethereus) in flight. San Cristobal Island, Galapagos.

Nick Hawkins / Galapagos green turtle (Chelonia mydas agassizi) resting on sea floor. Off San Cristobal Island coast, Galapagos.