Phil Savoie / Yellow legged mining bee (Andrena flavipes) males swarming around nest burrows, waiting for females, in bank of the River Monnow, Monmouthshire, Wales, UK. April

Franco Banfi / Camp with tents on beach in Vrangel Bay where Bowhead whale (Balaena mysticetus) congregate every summer. Primorsky Krai, Russia. August 2019.

Franco Banfi / Killer whale (Orcinus orca) jaw with four teeth, on sand, washed up on beach. Vrangel Bay, Primorsky Krai, Russia.

Sergio Hanquet / Bellowfish (Macroramphosus scolopax) schooling above sea floor, in shallow seas. El Hierro, Canary Islands.

Sergio Hanquet / Bellowfish (Macroramphosus scolopax) schooling. El Hierro, Canary Islands.

Sergio Hanquet / Bellowfish (Macroramphosus scolopax) schooling. El Hierro, Canary Islands.

Sergio Hanquet / Bellowfish (Macroramphosus scolopax), many schooling. Tenerife, Canary Islands.

Sergio Hanquet / Bellowfish (Macroramphosus scolopax) schooling. Tenerife, Canary Islands.

Sergio Hanquet / Bellowfish (Macroramphosus scolopax) schooling. Tenerife, Canary Islands.

Sergio Hanquet / Diamondback squid (Thysanoteuthis rhombus) eggs, recently laid. Tenerife, Canary Islands.

Sergio Hanquet / Diamondback squid (Thysanoteuthis rhombus) laying eggs. Tenerife, Canary Islands.

Sergio Hanquet / Sally lightfoot crab (Percnon gibbesi) group. Tenerife, Canary Islands.

Sergio Hanquet / Scopoli's shearwater (Calonectris diomedea) group floating on sea. Tenerife, Canary Islands.

Sergio Hanquet / Yellow-legged gull (Larus michahellis) group in flight and resting on sea. Tenerife, Canary Islands.

Sergio Hanquet / Purple sea urchin (Sphaerechinus granularis), three of different colours. Tenerife, Canary Islands.

Sergio Hanquet / Mass of Purple sea urchins (Sphaerechinus granularis) high numbers may be related reproduction cycle. Tenerife, Canary Islands.

Sergio Hanquet / Purple sea urchins (Sphaerechinus granularis), high numbers may be related reproduction cycle. Tenerife, Canary Islands.

Sergio Hanquet / Purple sea urchin (Sphaerechinus granularis) many on seabed, high numbers may be related reproduction cycle. Tenerife, Canary Islands.

Sergio Hanquet / Divers learning to freedive with sled, more divers at surface. Tenerife, Canary Islands. 2015.

Sergio Hanquet / Person holding on to rope, practising freediving, boat and more divers at surface. Tenerife, Canary Islands. 2015.

Sergio Hanquet / People learning to freedive in Atlantic Ocean. Tenerife, Canary Islands. 2015.

Sergio Hanquet / People learning to freedive in Atlantic Ocean, Tenerife, Canary Islands. 2015.

Sergio Hanquet / Group of freedivers training in Atlantic Ocean with aid of sled. Tenerife, Canary Islands. 2015.

Sergio Hanquet / Three freedivers training with aid of sled, group of divers at surface near boat. Tenerife, Canary Islands. 2015.

Sergio Hanquet / Controlled discharge of treated water from pipe, surrounded by shoal of fish. Atlantic ocean, 2019.

Sergio Hanquet / Short-finned pilot whale (Globicephala macrorhynchus) calf with fetal lines characteristic of newborn specimens, with pod. Tenerife, Canary Islands.

Sergio Hanquet / Short-finned pilot whale (Globicephala macrorhynchus), three in pod, light patterns on backs. Tenerife, Canary Islands.

Sergio Hanquet / Short-finned pilot whale (Globicephala macrorhynchus), three diving. Tenerife, Canary Islands.

Sergio Hanquet / Short-finned pilot whale (Globicephala macrorhynchus), four including female and calf, swimming below surface. Tenerife, Canary Islands.

Heather Angel / Stigmas in female flowers of single Wax begonia (Begonia semperflorens group) mimic pollen laden stamens produced by male flowers but offer no reward to pollinators, which land on them and pollinate t...

Danny Green / Polar bear (Ursus maritimus) female resting with cubs on glacier. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) female and cubs feeding on Whale carcass. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and two cubs feeding on Whale carcass. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs, standing on sea ice. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs resting on sea ice. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) female and cubs, one cub walking up slope of ice in foreground. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs feeding on Whale carcass. Svalbard, Norway, July.

Danny Green / Brunnich's guillemot (Uria lomvia) colony in mist, many birds in flight and nesting on cliffs. Svalbard, Norway, July 2018.

David Woodfall / Protestors holding 'Climate chaos!' banner at Extinction Rebellion climate change demonstration. London, England, UK. 17 November 2019.

David Woodfall / 'What will we tell the kids when nemo goes extinct' placard at Extinction Rebellion climate change demonstration.. London, England, UK. 17 November 2019.

David Woodfall / Protestors holding 'Rebel for life' banner at Extinction Rebellion climate change demonstration.. Westminster Bridge with Houses of Parliament in background, London, England, UK. 17 November 2...

David Woodfall / Protestors holding 'Ecological meltdown!' banner at Extinction Rebellion climate change demonstration. London, England, UK. 17 November 2019.

Danny Green / Polar bear (Ursus maritimus) group on ice, female and cubs feeding on Whale carcass. Svalbard, Norway, June 2018.

David Hall / Striped eel catfish (Plotosus lineatus), shoal of juveniles. Komodo, Indonesia.

David Hall / Compound ascidian (Ascidiacea sp possibly Botryllus sp). Pantar, Alor Archipelago, Indonesia.

David Hall / Compound ascidian (Ascidiacea sp possibly Botryllus sp). Pantar, Alor Archipelago, Indonesia.

David Hall / Pink clownfish (Amphiprion perideraion), four swimming over Magnificent anemone (Heteractis magnifica). Komodo, Indonesia.

David Hall / Compound sea squirt (Ascidiacea) encased in tunic covering. Pantar, Alor Archipelago, Indonesia.

David Hall / Pink clownfish / anemonefish (Amphiprion perideraion) swimming over Magnificent anemone (Heteractis magnifica). Komodo, Indonesia.

Shane Gross / Loggerhead sea turtle (Caretta caretta) with two Remora fish (Echeneididae) above sea floor. Bahamas.

Shane Gross / African pompano (Alectis ciliaris) shoal, three swimming in row. Bahamas.

Shane Gross / Blacknose shark (Carcharhinus acronotus) group in a mating aggregation. The Bahamas.

Shane Gross / Smallmouth grunt (Haemulon chrysargyreum) shoal schooling on coral reef. Nassau, Bahamas.

Shane Gross / Sergeant major damselfish (Abudefduf saxatilis) shoal. Nassau, Bahamas.

Shane Gross / Caribbean reef squid (Sepioteuthis sepioidea), shoal of six. Eleuthera, Bahamas.

Shane Gross / Eagle ray (Aetobatus narinari) shoal over coral reef. Bahamas.

TJ Rich / Berkshire pig, three gilts feeding at trough. Surrey, England, UK.

TJ Rich / Small eggar (Eriogaster lanestris) caterpillar larval tent on Blackthorn (Prunus spinosa) bush. Martin Down National Nature Reserve, Hampshire, England, UK. June.

TJ Rich / Small eggar (Eriogaster lanestris) caterpillar, two basking on larval tent on Blackthorn (Prunus spinosa). Martin Down National Nature Reserve, Hampshire, England, UK. June.

TJ Rich / Cowslip (Primula veris), many flowering in grassland. Pewsey Downs National Nature Reserve, Wiltshire, England, UK. May 2019.

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

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

Ernie Janes / Brown rat (Rattus norvegicus)many crowded together in farm barn.

Tui De Roy / Reef manta ray (Manta alfredi) shoal filter feeding on plankton concentrated by monsoon currents in Raa Atoll, Vandhoo Thila, Maldives. October.

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. Alcedo Volcano, Isabela Island, Galapagos.

Nick Garbutt / Students practicing macro flower photography in Alpine flower meadow. Tyrol, North Tyrol, Austria. June 2018.

Nick Garbutt / American bison (Bison bison), three females walking behind the other through deep snow. Hayden Valley, Yellowstone National Park, USA. January.

Nick Garbutt / King penguin (Aptenodytes patagonicus) breeding colony with adults and juveniles. Salisbury Plain, South Georgia. November.

Nick Garbutt / King penguin (Aptenodytes patagonicus), Antarctic fur seal (Arctocephalus gazella) and Southern elephant seal (Mirounga leonina), many on beach. Salisbury Plain, South Georgia. November 2018.

Nick Garbutt / A cluster of fragrant orchids (Gymnadenia conopsea) in ancient alpine meadow. Nordtirol, Austrian Alps, Austria, June.

Nick Garbutt / King penguin (Aptenodytes patagonicus), three preening on snow. Grytviken, South Georgia. November.

Nick Garbutt / Puma (Puma concolor puma) female and three sub-adult cubs aged 12 to 13 months attempting to dig out Armadillo from burrow. Estancia Amarga, near Torres del Paine National Park, Patagonia, Chile. Dece...

Nick Garbutt / Puma (Puma concolor puma), three sub-adult cubs aged 12 to 13 months attempting to dig Armadillo out of burrow. Estancia Amarga, near Torres del Paine National Park, Patagonia, Chile. December.

Nick Garbutt / King penguins (Aptenodytes patagonicus) breeding colony with adults and juveniles, snowy mountains in background. Salisbury Plain, South Georgia. November 2018.

Nick Garbutt / King penguin (Aptenodytes patagonicus) group of seven walking one behind the other along sand bar. St Andrews Bay, South Georgia. November.

Nick Garbutt / King penguin (Aptenodytes patagonicus) group of six walking along beach, tourists watching from inflatable boat in background. St Andrews Bay, South Georgia. November 2018.

Nick Garbutt / King penguin (Aptenodytes patagonicus) group walking along beach, tourists landing from inflatable boat in background. St Andrews Bay, South Georgia. November 2018.

Nick Garbutt / King penguin (Aptenodytes patagonicus) group following each other in line, returning to sea, Southern elephant seal (Mirounga leonina) colony in background. St Andrews Bay, South Georgia. November 201...

Nick Garbutt / Black-browed albatross (Thalassarche melanophris), three in flight. South Atlantic Ocean between The Falklands and South Georgia. November.

Nick Garbutt / Puma (Puma concolor puma) female and two sub-adult cubs aged 12 to 13 months. Estancia Amarga, near Torres del Paine National Park, Patagonia, Chile. December.

Nick Garbutt / Guanaco (Lama guanicoe) three silhouetted. Torres del Paine National Park, Patagonia, Chile. December.

Nick Garbutt / Guanacos (Lama guanicoe), five silhouetted on slope in evening. Torres del Paine National Park, Patagonia, Chile. December.

Nick Garbutt / South American sea lion (Otaria flavescens) rookery on coastal rocks. Straits of Magellan, Patagonia, Chile. December.

Nick Garbutt / Burnt-tip orchid (Neotinea ustulata) group flowering in species rich ancient alpine meadow. North Tyrol, Austria. June.

Nick Garbutt / RF - King penguin (Aptenodytes patagonicus) colony with adults and juveniles. Salisbury Plain, South Georgia Island. November. (This image may be licensed either as rights managed or royalty free.)

Nick Garbutt / RF - King penguin (Aptenodytes patagonicus) colony with adults and chicks. Salisbury Plain, South Georgia Island. November. (This image may be licensed either as rights managed or royalty free.)

Nick Garbutt / RF - King penguin (Aptenodytes patagonicus), four returning to sea. St Andrews Bay, South Georgia. November. (This image may be licensed either as rights managed or royalty free.)

Ernie Janes / Small Tortoiseshell Butterfly feeding on Wild flowers in hay meadow Wensum Valley Norfolk

Ashley Cooper / Gentoo penguin (Pygoscelis papua) feeding chicks. February 2019.

Ben Gillett / The Red Brigade performance artists on Extinction Rebellion climate change protest march. Bristol, England, UK. 16 July 2019.

Yashpal Rathore / Seven cheetah cubs (Acinonyx jubatus), Masai Mara National Reserve, Kenya

Yashpal Rathore / Female cheetah (Acinonyx jubatus) named Silgi (means 'bright future' in Swahili) walking with 7 cubs. Masai Mara National Reserve, Kenya

Doug Perrine / Humpback whale (Megaptera novaeangliae) calf riding on mother's head, near Nomuka Island, Ha'apai group, Kingdom of Tonga, South Pacific

Yashpal Rathore / Female cheetah (Acinonyx jubatus) named Silgi (means 'bright future' in Swahili) with seven cubs, carrying prey. Masai Mara National Reserve, Kenya.

Yashpal Rathore / Seven cheetah cubs (Acinonyx jubatus), Masai Mara National Reserve, Kenya