John Sparks / David Attenborough with mountain gorillas, on location during filming for BBC 'Life on Earth' series in Rwanda 1978

Phil Savoie / Mining bee (Andrena sp.), harvesting pollen from anthers of Cherry tree (Prunus sp.) Ripon Wisconsin USA, May.

Phil Savoie / Little nomad bee (Nomada flavoguttata) covered in Dandelion pollen (Taraxacum offinicale) Monmouthshire, Wales, UK. September

Alex Mustard / Three Pink anemonefish (Amphiprion perideraion) living in a purple skirted magnificent sea anemone (Heteractis magnifica) on a coral reef, below a small island. Misool, Raja Ampat, West Papua, Indones...

Alex Mustard / California sea lion (Zalophus californianus) pups in an underwater cave. Los Islotes, La Paz, Baja California Sur, Mexico. Sea of Cortez, Gulf of California, East Pacific Ocean.

Alex Mustard / Whale shark (Rhincodon typus) close to the camera with a golden trevally fish (Gnathanodon speciosus) and outline of another whale shark behind , in the plankton-rich green waters of La Paz bay, Baja...

Alex Mustard / Tawny nurse sharks (Nebris ferrungineus) at night. Vavuu Atoll, Maldives. Indian Ocean

Alex Mustard / Midnight snapper (Macolor macularis) shelters in a cavern on a coral reef with white soft corals (Scleronephthya sp.) and solderfish. Vavuu Atoll, Maldives. Indian Ocean

Alex Mustard / Orange painted frogfish (Antennarius pictus) fishing. Here the frogfish is illuminated by a snooted strobe and the background sand lit with a red LED torch. Bitung, North Sulawesi, Indonesia. Lembeh S...

Alex Mustard / Free swimming mimic octopus (Thaumoctopus mimicus). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Free swimming mimic octopus (Thaumoctopus mimicus). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Thorny seahorse (Hippocampus histrix) gripping onto a sponge. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Pair of Western clown anemonefish (Amphiprion ocellaris) spawning orange eggs on the rock beneath their Magnificent sea anemone (Heteractis magnifica) home on a coral reef. This photo shows the larger...

Alex Mustard / Whitemargin stargazer (Uranoscopus sulphureus) sets an ambush in the sand at night. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Portrait of a Giant frogfish (Antennarius commersoni) on a large Yellow elephant ear sponge (Ianthella basta). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Blue whale (Balaenoptera musculus) swims beneath the surface of the ocean. Indian Ocean, off Sri Lanka.

Alex Mustard / Pod of False killer whales (Pseudorca crassidens) swimming beneath the surface of the ocean. Indian Ocean, off Sri Lanka.

Alex Mustard / Forster's hawkfish (Paracirrhites forsteri) on a coral reef. Jackson Reef, Tiran, Sinai, Egypt. Strait of Tiran, Gulf of Aqaba, Egypt.

Alex Mustard / Coral (Lobophytum sp.) on a reef flat, with Hawksbill turtle (Eretmochelys imbricata) in background. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) unusually feeding on hard coral polyps. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

Alex Mustard / Blacktip reef shark (Carcharhinus melanopterus) swims through schools of fish. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

Alex Mustard / Carapace of a dead olive Ridley turtle (Lepidochelys olivacea) entangled in discarded fishing gear. Indian Ocean, off Sri Lanka.

Alex Mustard / Green turtle (Chelonia mydas) descending after breathing at the surface. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) feeding on Wallflower (Erysimum sp.) Monmouthshire, Wales, UK. April.

Juergen Freund / Moral eels, Urchins, Cuttlefish, Shrimp and other marine life living within a discarded tyre and fishing net under a ships' harbour, Maluku, Indonesia. November.

SCOTLAND: The Big Picture / Blue mussels (Mytilus edulis) with encrusting marine life, Sula Sgeir, Scotland. UK, July

SCOTLAND: The Big Picture / Orange jewel anemones (Corynactis viridis) Sula Sgeir, Scotland, UK, February.

SCOTLAND: The Big Picture / Curled octopus (Eledone cirrhosa) amongst a horse mussel bed (Modiolus modiolus) Shetland, Scotland, UK, August.

SCOTLAND: The Big Picture / Dead man's fingers (Alcyonium digitatum) on a rocky reef with view of the sky, Shetland, Scotland, UK, August.

SCOTLAND: The Big Picture / Northern gannets (Morus bassanus) diving for fish, split level shot, Shetland, Scotland, UK, July.

SCOTLAND: The Big Picture / Close up of a Long clawed squat lobster (Munida rugosa) in Loch Carron, January 2016.

SCOTLAND: The Big Picture / Close up of a colony of Jewel anemones (Corynactis viridis) Scotland, UK, October.

SCOTLAND: The Big Picture / Northern gannets (Morus bassanus) diving for fish, split level shot, Shetland, Scotland, UK, September.

SCOTLAND: The Big Picture / Maiden's salp (Thetys vagina) , west coast of Scotland, UK, July.

SCOTLAND: The Big Picture / Kelp forest (Laminaria digitata) with small fish, Shetland, Scotland, UK, July.

SCOTLAND: The Big Picture / Jellyfish (Pelagia noctiluca) amongst plankton , Shetland Isles, Scotland.

Juergen Freund / Timelapse of a Cairns birdwing (Ornithoptera euphorion) butterfly caterpillar metamorphosing into a chrysalis, Queensland, Australia, April.

Juergen Freund / Timelapse of a Cairns birdwing (Ornithoptera euphorion) butterfly caterpillar emerging from egg on an Dutchman's pipe (Aristolochia) leaf and feeding, Queensland, Australia, April.

Heike Odermatt / New growth in recently burnt heathland, Netherlands

James Dunbar / Timelapse of a Tiger longwing (Heliconius hecale) forming a chrysalis. Controlled conditions. Native to South and Central America.

Alex Mustard / California sea lion (Zalophus californianus) uses a Panamic cushion star (Pentaceraster cumingi) as a toy. The sealions pick up the starfish and then drop them and chase after them as they sink. Los I...

Theo Bosboom / Common blue damselfly (Enallagma cyathigerum) close up of recently emerged damselfly, including the green liquids that are used to pump up the wings. Hondenven, Tubbergen, the Netherlands. July.

Theo Bosboom / Common blue damselfly (Enallagma cyathigerum) close up of the wings of a just emerged damselfly, including the green liquids that are used to pump up the wings. Hondenven, Tubbergen, the Netherlands....

Lucas Bustamante / Coastal glassfrog (Cochranella litoralis) on leaf with eggs. San Lorenzo, Esmeraldas, Ecuador.

Erlend Haarberg / Mountain hares (Lepus timidus) in winter coat, at sunset, Vauldalen, Norway. April. Third place of the Harmony of Life Category of the Golden Turtle Photography Awards 2017.

Ingo Arndt / Four spotted libellula dragonfly / (Libellula quadrimaculata) adult freshly emerged from larval case, Germany.

Ingo Arndt / Honey Bee (Apis mellifera) adult hatching out of brood cell, Germany.

Ingo Arndt / Honey Bee (Apis mellifera) opening brood cell before hatching, Germany. Winner of Fritz Polking portfolio prize, GDT 2012 competition.

Ingo Arndt / Bluebottle Fly (Calliphora erythrocephala) hatching from coccoon, Germany.

Ingo Arndt / Mass of Sea trout (Salmo trutta trutta) eggs, with embryos visible, Europe.

Ingo Arndt / Sea trout (Salmo trutta trutta) alevin just hatched with full yolk sac, Europe

Ingo Arndt / Mosquito (Culicidae) egg faft floating on surface of water, Germany

Ingo Arndt / Common toad (Bufo bufo) eggs close up.

Ingo Arndt / Pea aphid (Acyrthosiphon pisum) giving birth (viviparous during the summer month), Germany. Winner of Fritz Polking portfolio prize, GDT 2012 competition.

Ingo Arndt / Adult Egyptian Locust (Anacridium aegyptium) emerging from nymphal skin, captive, Africa. Winner of Fritz Polking portfolio prize, GDT 2012 competition.

Ingo Arndt / Egyptian locust (Anacridium aegyptium) first instars hatching from ground, captive, from Africa.

Ingo Arndt / Ostrich (Struthio camelus) chick hatching from egg, Africa, captive.

Ingo Arndt / Ostrich (Struthio camelus) chick hatching from egg, Africa, captive.

Ingo Arndt / Carpet python snake (Morelia spilota variegata) hatching from egg, Australia. Captive.

Ingo Arndt / Carpet python snake (Morelia spilota variegata), hatching from egg, Australia. Captive.

Ingo Arndt / Deaths head hawk moth pupa in soil {Acherontia atropos} Germany

Paul D Stewart / Photographic reconstruction of Archaeopteryx by Paul D. Stewart. The fossils of this species was from 150 million years ago, and is thought of as a stage between feathered dinosaurs and modern birds.

Floris van Breugel / Ancient Bristlecone pine (Pinus aristata) clings to life, with a grand view of endless sage valleys, White Mountains, California, USA, July

Laurie Campbell / Common / Viviparous lizard (Zootoca vivipara) mother with young. Burnmouth, Berwickshire, England, UK.

Jan Hamrsky / Summer mayfly nymph (Siphlonurus lacustris), Europe, May. Controlled conditions.

Jan Hamrsky / Summer mayfly nymphs (Siphlonurus lacustris), Europe, May. Controlled conditions.

Jan Hamrsky / Hacklegill mayfy nymph (Potamanthus luteus), Europe, July. Controlled conditions.

Markus Varesvuo / Female Capercaillie (Tetrao urogallus) with newly hatched chick on nest, Kuhmo, Finland, June.

Franco Banfi / Humboldt squid (Dosidicus gigas) at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Beak and tentacles of Humboldt squid (Dosidicus gigas) at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Sven Zacek / Hepatica (Hepatica nobilis) white morph and normal blue morph, Southern Estonia, April.

Alex Mustard / Bigfin squid (Sepioteuthis lessoniana) hovering in mid water at night. Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Portrait of False clown anemonefish (Amphiprion ocellaris) Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Great white shark (Carcharodon carcharias) portrait, Guadalupe Island, Mexico. Pacific Ocean.

Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) cruising along the drop off of a coral reef. Bloody Bay Wall, Little Cayman, Cayman Islands. Caribbean Sea. NB. Turtle has two identification tags in its fron...

Alex Mustard / Portrait of Bigfin squid (Sepioteuthis lessoniana) hovering in open water above a coral reef at night. Dampier Strait, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean

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

Alex Mustard / Yellowbelly hamlets (Hypoplectrus aberrans) pair spawning at dusk (artifically backlit). Hamlets are hermaphroditic species. George Town, Grand Cayman, Cayman Islands. Caribbean Sea.

Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) male swimming in open water above a coral reef. Tank Rock, Fiabacet, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea, Tropical West Pacific Ocean.

Alex Mustard / Saddleback anemonefish (Amphiprion polymnus) in anemone home, Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Common ghostgoby (Pleurosicya mossambica) with another fish in its mouth on soft coral (Dendronephthya sp.). Tulamben, Bali, Indonesia. Java Sea

Alex Mustard / Nurse shark (Ginglymostoma cirratum) young caught in a fishtrap. North Sound, Grand Cayman, Cayman Islands. Caribbean Sea.

Alex Mustard / Harlequin sweetlips (Plectorhinchus chaetodonoides) cleaned by a pair of bluestreak cleaner wrasse (Labroides dimidiatus). South Atoll, Tubbataha Atolls, Tubbataha Reefs Natural Park, Palawan, Philipp...

Alex Mustard / Spaghetti garden eels (Gorgasia maculata) stretching up out of their burrows on a rubble slope, with Mysiid shrimp swimming around their bodies near the seabed. Dumaguete, Dauin, Negros, Philippines....

Alex Mustard / Strawberry anemone (Utricina lofotensis) grows beneath Bull kelp forest (Nereocystis luetkeana). Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. North East Pacific Ocean.

Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) on a reef wall with a rope sponge. East End, Grand Cayman, Cayman Islands. Caribbean Sea.

Alex Mustard / Diver exploring the wreck of HMS Scylla, which is colonized by Dead man's fingers (Alcyonium digitatum). Whitsands Bay, Cornwall, England. UK, July.

Alex Mustard / Napoleon wrasse (Cheilinus undulatus) super male, patrolling coral, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea