Sylvain Cordier / Monarch butterfly (Danaus plexippus) wintering in Oyamel pine forests (Abies religiosa) Monarch Butterfly Biosphere Reserve / Reserva de Biosfera de la Mariposa Monarca UNESCO World Heritage Site, An...

Guy Edwardes / Milky Way above Durdle Door rock arch. Jurasic Coast, Dorset, England, UK. August 2019. Composite image.

Ingo Arndt / Sun rising over ice formations on Lake Baikal. Siberia, Russia. February 2019.

Joris van Alphen / Aerial view of clearing with felled logs in Bialowieza Forest UNESCO World Heritage Site, Poland. Highly commended in the Wildlife Photojournalism Category of the Wildlife Photographer of the Year Awa...

Lucas Bustamante / Sierra Negra giant tortoise (Chelonoidis guntheri) Isabela Island, Galapagos Islands.

Lucas Bustamante / Marine Iguanas (Amblyrhynchus cristatus) basking. Fernandina Island, Galapagos Islands.

John Shaw / Yellow warbler (Setophaga petechia aureola) on lava rocks. Isabela Island, Galapagos. May.

John Shaw / Great frigatebird (Fregata minor) male at nest site, with gular sac inflated to attract females. Genovesa Island, Galapagos, May.

John Shaw / Sally lightfoot crabs (Grapsus grapsus) on the beach at Puerto Egas, Santiago Island, Galapagos, May.

John Shaw / Roseate spoonbill (Platalea ajaja) at its nesting colony site, in early morning light. St. Johns Management Area, Florida, USA, April.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus), Punta Vicente Roca, Isabela Island, Galapagos

Tui De Roy / Marine iguanas (Amblyrhynchus cristatus) fighting, Punta Vicente Roca, Isabela Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) group on rocks, Cape Douglas, Fernandina Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus), Punta Espinosa, Fernadina Island, Galapagos

Tui De Roy / Green turtle (Chelonia mydas), female returning to the sea after egg laying, Puerto Pajas, Isabela Island, Galapagos

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

Andy Rouse / Galapagos sea lion, (Zalophus wollebaeki), pup on shore, Galapagos.

Andy Rouse / Galapagos sea lion, (Zalophus wollebaeki), swimming upside down, Galapagos

Andy Rouse / Sally lightfoot crab, (Grapsus grapsus), feeding on marine iguana parasites and dead skin, Galapagos

Andy Rouse / Alcedo volcano Galapagos giant tortoise (Chelonoidis vandenburghi) adult male on forest track, Urbina Bay, Isabela Island, Galapagos.

Sandesh Kadur / Slow motion clip of Amur falcons (Falco amurensis) congregating at roost site during their migration from Siberia to Africa, near Doyang reservoir, Nagaland, India, October.

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) starved to death due to El Nino effect, Puerto Ayora / Academy Bay, Santa Cruz Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) on shore, Punta Moreno, Isabela Island, Galapagos

Lorraine Bennery / White-fronted brown lemur (Eulemur albifrons) climbing tree, looking at camera. Rainforests of the Atsinanana, Marojejy National Park, Madagascar.

John Chan / California least tern chick (Sternula antillarum browni) falling over as it runs towards its parent returning to nest site, Huntington Beach, California, USA, June.

Duncan Murrell / Rainforest and river outside the Batak village of Sitio Manggapin in Cleopatra's Needle Critical Habitat, Palawan, Philippines.

Duncan Murrell / Young children from Barangay Tagabinet having a nature walk around Ugong Rock, Palawan, the Philippines.

Duncan Murrell / Mangroves on Tupeti Island, Southern Lagoon, Forgotten Coast, Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems UNESCO World Heritage Site. New Caledonia.

Duncan Murrell / Porc Epic Peninsula, Southern Lagoon, Forgotten Coast, Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems UNESCO World Heritage Site. New Caledonia.

Duncan Murrell / Rock flagtail (Kuhlia rupestris) fish in river on the Southern Lagoon, Forgotten Coast, Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems UNESCO World Heritage Site. New Caledonia.

Duncan Murrell / Coral formations at low tide in Prony Bay in the Southern Lagoon, Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems UNESCO World Heritage Site. New Caledonia.

Nick Hawkins / Galapagos sea lion (Zalophus wollebaeki), three resting underneath school bus. Isabela Island, Galapagos. 2017.

Nick Hawkins / Marine iguana (Amblyrhynchus cristatus) basking on volcanic rock at coast. Isabela Island, Galapagos.

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

Nick Hawkins / Sergeant major (Abudefduf sp) schooling in mangroves of Isabela Island, Galapagos.

Tui De Roy / Green turtle (Chelonia mydas) female digging nest, North coast, Santa Cruz Island, Galapagos

Tui De Roy / Galapagos lava lizard (Microlophus albemarlensis) sitting on Marine iguana (Amblyrhynchus cristatus) Punta Espinosa, Fernandina Island, Galapgos.

Tui De Roy / Floreana giant tortoise hybrid descendants (Chelonoidis elephantopus) feeding on flower. These are descendants of the extinct Floreana giant tortoise, but are hybridised with other species. Fausto Lle...

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) silhouetted at sunrise, Alcedo Volcano, Isabela Island, Galapagos

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) group resting in pool, Alcedo Volcano, Isabela Island, Galapagos

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) group resting in water at night, Alcedo Volcano, Isabela Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) in water, Puerto Egas, Santiago Island, Galapagos

Tui De Roy / Marine iguanas (Amblyrhynchus cristatus) silhouettes at sunset, Punta Vicente Roca, Isabela Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) males in breeding colouration on rocks, with sun halo, Floreana Island, Galapagos

Tui De Roy / Alcedo giant tortoises (Chelonoidis vandenburghi) group resting in water on moonlit night to keep cool, Alcedo Volcano, Isabela Island, Galapagos

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) walking, Alcedo Volcano, Isabela Island, Galapagos

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) pair mating in shallow pool, with two others resting nearby. Alcedo Volcano, Isabela Island, Galapagos

Tui De Roy / Western Santa Cruz giant tortoises (Chelonoidis porteri) resting in water, South coast (Las Palmitas), Santa Cruz Island, Galapagos

Tui De Roy / Western Santa Cruz giant tortoise (Chelonoidis porteri) feeding on grass, El Chato II, Highlands, Santa Cruz Island, Galapagos

Tui De Roy / Western Santa Cruz giant tortoise (Chelonoidis porteri) portrait, Highlands, Santa Cruz Island, Galapagos

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

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) group on rock in the waves, Cape Hammond, Fernandina Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) swimming underwater, Sullivan Bay, Santiago Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) in the surf, Black Beach, Floreana Island, Galapagos

Tui De Roy / Marine iguana (Amblyrhynchus cristatus) peering over rocks, Punta Espinosa, Fernandina Island, Galapagos

Tui De Roy / Flightless cormorant (Phalacrocorax harrisi), two on rock. Bird drying wings in foreground with other sitting on nest in background. Cape Douglas, Fernandina Island, Galapagos.

Tui De Roy / Flightless cormorant (Phalacrocorax harrisi), Punta Espinosa, Fernandina Island, Galapagos

Tui De Roy / Blue-footed booby (Sula nebouxii), group of eight diving into sea to fish. Punta Gavilanes, Fernandina Island, Galapagos.

Tui De Roy / Blue-footed booby (Sula nebouxii), group fishing underwater. Itabaca Channel, Santa Cruz Island, Galapagos.

Tui De Roy / Blue-footed booby (Sula nebouxii) diving towards sea, folding wings. Northeast coast, Santiago Island, Galapagos. Sequence 1/2.

Tui De Roy / Blue-footed booby (Sula nebouxii) landing. Punta Vicente Roca, Isabela Island, Galapagos.

Tui De Roy / Blue-footed booby (Sula nebouxii) coming in to land. Punta Vicente Roca, Isabela Island, Galapagos.

Tui De Roy / Blue-footed booby (Sula nebouxii) perched on rock at coast. Santa Fe Island, Galapagos. August 2015.

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

Tui De Roy / Blue-footed booby (Sula nebouxii), five diving into sea. Espumilla Beach, Santiago Island, Galapagos.

Tui De Roy / Red-footed booby (Sula sula), pair nest building in tree. Darwin Bay, Genovesa Island, Galapagos.

Bruno D'Amicis / Red fox (Vulpes vulpes) walking along fallen trunk of old Beech (Fagus sylvatica) tree, Coppo del Principe old-growth beech forest in autumn. Abruzzo, Lazio and Molise National Park / Parco Nazionale...

Bruno D'Amicis / Beech (Fagus sylvatica) tree seedlings in old growth forest in spring, Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESCO World Heritage Site Italy. May

Bruno D'Amicis / Beech (Fagus sylvatica) tree seedlings in old growth forest in spring, Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESCO World Heritage Site Italy. May

Alex Mustard / Remoras (Remora sp.) hitchhiking on the tail of a large (13-15m) female whale shark (Rhincodon typus) swims in open water. Wolf Island, Galapagos National Park, Galapagos Islands. East Pacific Ocean.

Alex Mustard / Galapagos green turtle (Chelonia mydas agassizii) swims over a coral reef. Darwin Island, Galapagos National Park, Galapagos Islands. East Pacific Ocean.

Sandesh Kadur / Wide angle shot of a pair of Blue footed boobies (Sula nebouxii) displaying, Galapagos Islands, Ecuador.

Sandesh Kadur / Pair of Waved albatrosses (Phoebastria irrorata) displaying, tapping beaks, Galapagos Islands, Ecuador.

Juergen Freund / Colony of Little red flying foxes (Pteropus scapulatus) leaving roost site, Atherton Tablelands, Queensland, Australia.

David Perpinan / Great rufous woodcreeper (Xiphocolaptes major) arriving at nest site in a dead palm tree, climbs down to nest, Pantanal, Mato Grosso do Sul, Brazil.

John Chan / Honey bees (Apis mellifera) swarming on an old gas tank and establishing a new nest site within, with some individuals beating their wings to create air circulation, Southern California, USA, February...

Dave Bevan / Slow motion clip of two pairs of Jackdaws (Corvus monedula) squabbling over nest site, Worcestershire, England, UK, May.

John Cancalosi / Timber rattlesnake (Crotalus horridus) females coiled up in leaf litter, newborn young sheltering under rock. At maternity site, Pennsylvania, USA. August.

John Cancalosi / Timber rattlesnake (Crotalus horridus) females in undergrowth at maternity site, Pennsylvania, USA. August.

John Cancalosi / Timber rattlesnake (Crotalus horridus) females and newborn young at maternity site. Pennsylvania, USA. August.

Nigel Cattlin / View from Golden Cap, looking east across National Trust land to Seatown, West Bay and Chesil Beach. Jurassic Coast, Dorset, England, UK. May.

Nigel Cattlin / Southwest coast path through National Trust's Golden Cap Estate, looking west towards Charmouth. Lyme Bay, Dorset, England, UK. May 2017.

Nigel Cattlin / Woman selling live fresh Fish and Shellfish in plastic baskets tethered to boat. Ha Llong Bay, Quang Ninh Province, Vietnam. 2016.

Charlie Summers / King cormorants (Phalacrocorax atriceps) in courtship behaviour at their nest site. Saunders Island, Falkland Islands.

Sergio Hanquet / Charred trees and destruction caused by forest fire. Garajonay National Park, La Gomera, Tenerife, Canary Islands, 2012.

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi), group bathing. Alcedo Volcano, Isabella Island, Galapagos. 2017.

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) in water at night, star trails in sky reflected in water. Alcedo Volcano, Isabela Island, Galapagos.

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) group resting in evening. Steam venting from fumarole in background, Alcedo Volcano, Isabela Island, Galapagos. 2017.

Tui De Roy / Magnificent frigatebird (Fregata magnificens) in flight over sea between Isabela Island and Fernandina Island, Galapagos.

Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) jumping out of Pacific ocean. Sombrero Chino, Santiago Island, Galapagos.

Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) diving. Gardner Islet, Espanola Island, Galapagos.

Tui De Roy / Galapagos sea lion (Zalophus wollebaeki), two on beach, front of sea lion covered in sand, in morning light. Mosquera Islet, Galapagos.

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi) group sleeping at Alcedo Volcano at night, under starlit sky. Isabela Island, Galapagos.

Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi), group bathing in water at night, with fumarole behind. Alcedo Volcano, Isabella Island, Galapagos.

Jack Dykinga / Sun rays over The Grand Canyon, Arizona, USA. 2019.

Gabriel Rojo / Southern right whale (Eubalaena australis) female and calf swimming at water surface. Valdes Peninsula, Patagonia, Argentina. October.