Ann & Steve Toon / Three Giraffes (Giraffa camelopardalis) silhouetted at sunset, Chobe National Park, Botswana.

Linda Pitkin / Green turtle (Chelonia mydas) resting on seabed feeding on Seagrass (Halophila stipulacea) with a Remora (Echeneis naucrates) on its back and shoals of small fish swimming around, Marsa Alam, Egypt, R...

Linda Pitkin / Barrel sponge (Xestospongia testudinaria) on reef with shoal of Barracuda (Sphyraena sp.) in background, Tubbataha Reefs Natural Park, Palawan, Philippines, Sulu Sea.

Linda Pitkin / Anthias (Pseudanthias sp.) and Damselfish (Chromis sp.) swimming over coral reef with Acropora (Acropora sp.) corals and Fire coral (Millepora sp.), Tubbataha Reefs Natural Park, Palawan, Philippines,...

Marie Read / Snow buntings (Plectrophenax nivalis) large flock taking flight in winter, Vermont, USA. January.

Pal Hermansen / Group of male Toads (Bufo bufo) trying to mate with female, underwater in small lake, Akershus, Norway. May.

Ross Hoddinott / Group of Four-spotted chaser dragonflies (Libellula quadrimaculata) roosting on plant stem, backlit in the early morning light, Ham Wall RSPB Nature Reserve, Somerset Levels, UK. June.

Roger Powell / Four Greylag geese (Anser anser) flying low over lake, East Chevington Reserve, Druridge Bay, Northumberland, UK. November.

Roger Powell / Bearded vulture (Gypaetus barbatus) juvenile, landing among a group of Griffon vultures (Gyps fulvus) at feeding site with a wooded hillside behind, Lamiana, Aragon, Spanish Pyrenees, Spain. April.

Tui De Roy / Monarch butterflies (Danaus plexippus) resting on trees in wintering grounds in the mountains of central Mexico, El Rosario Butterfly Sanctuary, Michoacan, Mexico.

Tui De Roy / Green turtles (Chelonia mydas) basking at dusk on beach, probably to kill ectoparasites and seaweed growth on their shells, Maui Island, Hawaii. Endangered.

Tui De Roy / Green turtle (Chelonia mydas) swimming with school of Barracuda (Sphyraena sp.) behind, Cousins Rock, near Santiago Island, Galapagos Islands. Endangered.

Tui De Roy / Group of Green turtles (Chelonia mydas) basking at sunset, probably to kill ectoparasites and seaweed growth on their shells, Maui Island, Hawaii. Endangered.

Tui De Roy / Monarch butterflies (Danaus plexippus) covering Fir trees on wintering grounds in the mountains of central Mexico, El Rosario Butterfly Sanctuary, Michoacan, Mexico.

Staffan Widstrand / RF - Atlantic guillemot (Uria aalge) standing on rock spreading its wings at sunset, with colony behind, Hornoya bird cliff Island, Vardoe, Varanger Peninsula, Finnmark, Norway. June. (This image may...

Paul Harcourt Davies / Group of Lackey moth caterpillars (Malacosoma neustria) gathered on a rock, Gargano, Puglia, Italy. April.

Staffan Widstrand / Shags (Phalacrocorax aristotelis) flock perched on cliff top at sunset, Hornoya bird cliff island, Varanger Peninsula, Finnmark, Norway. June.

Staffan Widstrand / Atlantic guillemot (Uria aalge) calling and flapping wings at sunset with colony in background, Hornoya bird cliff island, Varanger Peninsula, Finnmark, Norway. June.

Staffan Widstrand / Atlantic guillemot (Uria aalge) pair, in courtship display, with colony in background, Hornoya bird cliff island, Varanger Peninsula, Finnmark, Norway. June.

Paul Harcourt Davies / Black-veined white butterfly (Aporia crataegi) caterpillars, resting on communal larval web, Campo Imperatore, Gran Sasso, Abruzzo, Italy. May.

Paul Harcourt Davies / Five Forester moths (Adscita statices) resting on grass stems, with pair mating, Sibillini, Umbria, Italy. May.

Nigel Cattlin / Glasshouse whitefly (Trialeurodes vaporariorum) black larvae have been parasitised by Parasitoid wasp (Encarsia formosa), used as biological pest control in protected crops. England, UK.

Nigel Cattlin / Cotton aphids (Aphis gossypii) on a leaf, with several parasitised and mummified by Parasitoid wasp (Aphidius spp.) and some with exit holes of adult wasps, England, UK.

Nigel Cattlin / Three Fairyfly parasitoid wasps (Anagrus atomus) ovipositing in the eggs of Tomato leafhopper (Hauptidia maroccana), England, UK.

Jack Perks / Shoal of Roach (Rutilus rutilus) and Perch (Perca fluviatilis). A Brown trout (salmo trutta) swims into the frame, startling the shoal, as it looks for prey. The fish swims out of the frame. Rutland,...

Jack Perks / Ruffe (Gymnocephalus cernua) shoal swimming in deep water, Oxfordshire, UK.

Jack Perks / Chubs (Squalius cephalus) gathering as they prepare to spawn. A shoal of Minnows (Phoxinus phoxinus) are swimming nearby. Nottinghamshire UK , May.

Jack Perks / Barbel (Barbus barbus) males pushing each other as they prepare to spawn, Nottinghamshire, UK. May.

Jack Perks / Common bream (Abramis brama) shoal swimming past, in a shallow river. The fish swim off into the background. Hampshire, UK.

Tim Laman / King penguins (Aptenodytes patagonicus) swimming underwater, Macquarie Island, Subantarctic Island of Australia, Pacific Ocean.

Lorraine Bennery / Three Malagasy sacred ibis (Threskiornis bernieri) perched in tree in mangroves, Betsiboka river, Majunga area, Madagascar. Endangered.

Guy Edwardes / Dalmatian pelicans (Pelecanus crispus) flock, squabbling over food on lake, Lake Kerkini, Greece. January.

Espen Bergersen / Four Herring gulls (Larus argentatus) in flight, one with remains of a Herring in its beak, being chased by the other three, Skjervoy, Troms, Norway, Norwegian Sea. October

Espen Bergersen / Little auks (Alle alle) in flight close to breeding colony at night silhouetted by the midnight sun, Bjorndalen, Svalbard, Norway. July.

Nigel Cattlin / Buff-tailed bumblebee (Bombus terrestris) gathering nectar from Spear thistle (Cirsium vulgare) flower with feeding Pollen beetles (Meligethes sp.), Berkshire, England, UK, July.

Graham Eaton / Bottlenose dolphins (Tursiops truncatus) surfacing, Abersoch, Gwynedd, Wales, UK, Cardigan Bay, May.

Graham Eaton / Bottlenose dolphin (Tursiops truncatus) pod surfacing and swimming under water's surface, with Llyn Peninsula behind, Abersoch, Gwynedd, Wales, UK, Cardigan Bay, May.

Nick Garbutt / Humpback whales (Megaptera novaeangliae) lunge feeding with flocks of Glaucous-winged gulls (Larus glaucescens) above, Sitka Sound, south east Alaska, USA. March

Nick Garbutt / Group of Black-and-gold howler monkeys (Alouatta caraya) females with infants, resting on tree branch, Cuiaba River, Northern Pantanal, Brazil.

Bret Charman / Three Japanese macaques (Macaca fuscata) juveniles, play fighting, Yamanouchi, Japan.

Bret Charman / Humpback whale (Megaptera novaeangliae) pod, bubble-net feeding at water surface, Tebenkof Bay, Alaska, USA. July.

Bret Charman / Chital (Axis axis) pair with fawn, drinking at waterhole, Nagarhole National Park, Karnataka, India.

Bret Charman / Four Atlantic walruses (Odobenus rosmarus) swimming close to shore with colony resting in background, Nordaustlandet, Svalbard Archipelago, Norway. July.

Bret Charman / Three Long-billed corellas (Cacatua tenuirostris) perched on branch in the shade of a Eucalypt tree (Eucalyptus sp.), You Yang Ranges, Victoria, Australia.

Bret Charman / Humpback whale (Megaptera novaeangliae) pod bubble-net feeding at water surface, Frederick Sound, Alaska, USA, Pacific Ocean.

Bret Charman / Humpback whale (Megaptera novaeangliae) pod bubble-net feeding at water surface, Frederick Sound, Alaska, USA, Pacific Ocean.

Bret Charman / Red-crowned cranes (Grus japonensis) flock and three Sika deers (Cervus nippon) wading in river at sunrise in winter, Hokkaido, Japan. January.

Franco Banfi / Spinner dolphin (Stenella longirostris) pod swimming over seabed in shallow, sandy lagoon, Marsa Alam, Egypt, Red Sea.

Henley Spiers / Northern gannet (Morus bassanus) carcasses covering the cliffside. Recently deceased birds killed by avian flu during a super-spreader event, Hermaness National Park, Shetland, UK. July, 2022. Bird Ph...

Alex Mustard / Three White-eyed moray eels (Gymnothorax thyrsoideus) and Palechin moray eel (Gymnothorax herrei) with Cleaner shrimps (Decapoda) resting in a hollow log on seabed, Bitung, North Sulawesi, Indonesia,...

Suzi Eszterhas / Three Meerkat (Suricata suricatta) pups, aged 3 weeks, standing alert, Makgadikgadi Pans, Botswana.

Suzi Eszterhas / Five Meerkat (Suricata suricatta) pups, aged 3 weeks, sitting side by side, Makgadikgadi Pans, Botswana.

Suzi Eszterhas / Meerkat (Suricata suricatta) female, running over sandy ground with four pups, aged 2 weeks, following behind, Makgadikgadi Pans, Botswana.

Suzi Eszterhas / Five Meerkat (Suricata suricatta) pups, aged 3 weeks, sitting side by side, Makgadikgadi Pans, Botswana.

Suzi Eszterhas / Three Meerkat (Suricata suricatta) pups, aged 3 weeks, resting, Makgadikgadi Pans, Botswana.

Suzi Eszterhas / Black-legged kittiwake (Rissa tridactyla) pair with chick, perched at nest site on rock ledge, Svalbard, Norway. August.

Suzi Eszterhas / Group of Brunnich's guillemots (Uria lomvia) perched on rocky ledge, looking up, Svalbard, Norway. August.

Suzi Eszterhas / Brunnich's guillemot (Uria lomvia) pair with chick at nest site on cliff face, Svalbard, Norway. August.

Neil Aldridge / Hippopotamus (Hippopotamus amphibius) yawns in a water channel, with others in the water behind, Okavango Delta, Botswana.

Neil Aldridge / African buffalo (Syncerus caffer) herd moving through long grass in evening light with Oxpeckers (Buphagus sp.) taking flight and leaving frame, Okavango Delta, Botswana.

Neil Aldridge / African buffalo (Syncerus caffer) mother and calf standing in long grass with herd in evening light before leaving frame, Okavango Delta, Botswana.

Neil Aldridge / Red lechwe (Kobus leche) herd with juveniles grazing in evening light. One animal walks into frame and then stands in the centre looking around. Spur-winged geese (Plectropterus gambensis) are amongst...

Neil Aldridge / Impala (Aepyceros Melampus) males and females standing side by side grazing and grooming each other in grassland, Okavango Delta, Botswana.

Neil Aldridge / Two Red lechwe (Kobus leche) females jumping over a small channel in a swamp, before leaving frame. Another Red lechwe is grazing alongside an African sacred ibis (Threskiornis aethiopicus) which is f...

Neil Aldridge / African buffalo (Syncerus caffer) herd standing in long grass, looking alert. Oxpecker (Buphagus sp.) flock takes off, leaving herd and frame. Okavango Delta, Botswana.

David Tipling / Flock of Red kites (Milvus milvus) circling carrion, Dumfries & Galloway, Scotland, UK, December.

David Tipling / Bearded Tit (Panurus biarmicus) flock in flight, Cley, Norfolk, England, UK, October.

David Tipling / People watching a murmuration of European starlings (Sturnus vulgaris) over factory, Fakenham, Norfolk, England, UK, February.

Nick Upton / Little egret (Egretta garzetta) flying with stick in beak towards nest within colony in Willow trees, Magor Marsh, Gwent Levels, Monmouthshire, Wales, UK, April.

Harry Collins / Tracking shot of a Brown bear (Ursus arctos) walking along the water's edge, during Salmon (Salmonidae sp.) migration. In the background, three cubs are following. Katmai National Park, Alaska. August...

Brian Bevan / Great crested grebe (Podiceps cristatus) pair attempt to feed feather to chick resting on one parent's back as the other preens, Bedfordshire UK, April.

Brian Bevan / Great crested grebe (Podiceps cristatus) pair attempt to feed fish to chick resting on one parent's back, Bedfordshire UK, April.

Brian Bevan / Collared dove (Streptopelia decaocto) feeding chicks in nest in Palm tree (Arecaceae sp.), Bedfordshire, UK, June.

Brian Bevan / Close up of Collared dove (Streptopelia decaocto) feeding chicks at nest in Palm tree (Arecaceae sp.), Bedfordshire UK, June.

Franco Banfi / Giant oceanic manta ray (Manta birostris) at a cleaning station. Small fish swarm the underside of the ray as it swims over, removing parasites from its skin. Maldives, Indian Ocean.

Harry Collins / Brown bear (Ursus arctos) mother and cub feeding on salmon. Cub pulls half of salmon apart and walks away, leaving frame. Second cub enters frame and walks towards mother, Katmai, Alaska, USA, August.

Harry Collins / Tracking shot of Brown bear (Ursus arctos) catching Sockeye salmon (Oncorhynchus nerka) for cubs, Katmai, Alaska, USA, August.

Harry Collins / Tracking shot of Brown bear (Ursus arctos) mother wading through river to catch Sockeye salmon (Oncorhynchus nerka) as her three cubs follow along riverbank, Katmai, Alaska, USA, August.

Neil Aldridge / Tracking shot Chacma baboon (Papio ursinus) troop congregating beside feeding Ostrich (Struthio camelus) females in grassland, Okavango Delta, Botswana.

Wim van den Heever / Hippo (Hippopotamus amphibius) bull lifting head above water and yawning, whilst other hippos rest in the water, Chobe River, Botswana.

Wim van den Heever / Spotted Hyena (Crocuta crocuta) pup playing as mother and littermate watch, Amboseli National Park, Kenya.

Wim van den Heever / Elephant (Loxodonta africana) cows walking across the dry bed of Lake Amboseli, Amboseli National Park, Kenya. Endangered.

Tui De Roy / Green turtle (Chelonia mydas) sleeping on sea floor at cleaning station amongst Garden eels (Heteroconger sp.) as Scalloped hammerhead sharks (Sphyrna lewini) swim above, Darwin Island, Galapagos, Ecu...

Tui De Roy / Kemp's ridley turtle (Lepidochelys kempii) hatchlings crawl towards the sea at sunrise. Rancho Nuevo Beach, Tamaulipas, Mexico. Critically endangered.

Richard Flack / Red-billed Teal (Anas erythrorhyncha) flock in flight over lake, Elephant Marsh, Malawi, October.

Linda Pitkin / Yellowfin goatfish (Mulloidichthys vanicolensis) shoal schooling over coral reef, Marsa Alam, Egypt, Red Sea, July.

John Cancalosi / Gravid Timber rattlesnake (Crotalus horridus) female curled up with Gravid Northern copperhead (Agkistrodon contortrix) female, Maryland, USA.

Ashley Cooper / Flock of Jackdaws (Corvus monedula) flying through mist over trees beside Lake Windermere, as seen from Todd Crag, Lake District, Cumbria, UK, November 2015.

Robin Chittenden / Hikers standing on top of Arthur's Seat, Edinburgh, Scotland, UK. April, 2023.

Roland Seitre / Three Madagascar green pigeons (Treron australis) perched in tree, Madagascar.

Roland Seitre / Yellow-legged green pigeon (Treron phoenicopterus) flock in flight, Assam, India.

Roland Seitre / Nicobar pigeon (Caloenas nicobarica) flock perched in tree, Jurong Bird Park, Singapore. Captive.

Roland Seitre / Eared dove (Zenaida auriculata) flock in flight, Brazil

Roland Seitre / Wonga pigeon (Leucosarcia melanoleuca) pair in nest with chick, Australia.

Roland Seitre / Eared dove (Zenaida auriculata) flock perched in tree, Bonaire, Caribbean.

Roland Seitre / Small flock of Diamond doves (Geopelia cuneata) drinking at pool, Dajarra, Queensland, Australia.