Bence Mate / Green / Double-crested basilisk (Basiliscus plumifrons) running across water surface, Santa Rita, Costa Rica. Did you know? This amazing lizard is colloquially known as the 'Jesus Christ lizard' for i...

Kim Taylor / Bachacs / Leafcutter ants {Atta cephalotes} carrying sections of Cocoa leaf bearing 'riders' thought to ward off parasitic flies which would otherwise lay their eggs on the pieces of leaf. Trinidad, W...

Tony Wu / Blacktip reef shark (Carcharhinus melanopterus) beaching itself to catch sardines. Tonga South Pacific.

Espen Bergersen / Aerial shot of two Killer whales (Orcinus orca) swimming inside a shoal of Atlantic herring (Clupea harenguis), hunting, with one Killer whale tail slapping to stun the Herring, Sommaroy, Troms, Norwa...

Juergen Freund / Dr. Alex Cheesman researching changes in phloem flux to environmental variables in two tropical forest canopy tree species at the Daintree Rainforest Observatory, Queensland, Australia. February 2015....

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.) and Humming Frog (Chiasmocleis royi) together, Los Amigos Biological Station, Madre de Dios, Amazonia, Peru. These species have a commensal relationship. The tara...

Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.) adult, walking over Humming Frog (Chiasmocleis royi) without preying on it. Los Amigos Biological Station, Madre de Dios, Amazonia, Peru. These species have a com...

Dave Bevan / Female Chaffinch (Fringilla coelebs) shaping nest with her body and wings, Carmarthenshire, Wales, UK, May.

Juergen Freund / Australian freshwater crocodiles (Crocodylus johnsoni) catching a Little red flying fox (Pteropus scapulatus) flying to drink from a watering hole, Kimberley, Western Australia.

Juergen Freund / Australian freshwater crocodiles (Crocodylus johnsoni) trying to catch Little red flying foxes (Pteropus scapulatus) flying to drink from a watering hole, Kimberley, Western Australia

Guy Edwardes / Aurora Borealis over Sycamore Gap, Hadrian's Wall, Northumberland, England. February 2014

Michael Hutchinson / Money spider (Tenuiphantes sp) tiptoeing behaviour on daisy. Spiders can stand on tiptoes and produced silk to 'balloon' and travel with the airflow. In this image the silk dragline and feinte...

David Fleetham / Schooling Lemon / Milletseed butterflyfish (Chaetodon miliaris) below kayakers off Maui, Hawaii.

David Fleetham / Hawaiian pom-pom / boxer crab (Lybia edmondsoni)with anemones (Triactis sp) that it carries around holding with the claws and using them for defense, waving in front of the possible aggressor. An exam...

Luke Massey / Spotted hyenas (Crocuta crocuta) in urban setting at night, Harar, Ethiopia

Jordi Chias / Wave breaking over the reef, Table coral (Acropora) Safaga, Egypt, Red Sea.

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....

Yashpal Rathore / Kottigehar dancing frog (Micrixalus kottigeharensis) male calling and displaying to attract female by waving foot, Agumbe, Western Ghats, India.

Alex Mustard / Striped mackerel (Rastrelliger kanagurta) mouth wide open as it swims through the water, filtering zoopankton with its gill rakers. Marsa Shouna, Port Ghalib, Marsa Alam, Egypt. Red Sea

Dave Bevan / Herring gull (Larus argentatus) hunting for worms, stamping on ground with feet, Ceredigion, Wales, UK, November.

Andrew Parkinson / Mute swan (Cygnus olor) cygnets with head submerged while feeding underwater, with mother watching and helping, Derbyshire, England, UK. June. Highly Commended in the Animal Behaviour category of the...

Dave Watts / Male Red backed shrike (Lanius collurio) feeding on a mouse at its larder, France, June.

Steve Downer / Slug (Species unknown) descending on slime rope from leaf. UK. June.

Christophe Courteau / Male BurchellÕs zebra (Equus quagga burchellii) pulling the head of a dead pregnant female that died due to complications whilst giving birth, trying to wake her up, Etosha National Park, Namibia. Par...

Sue Daly / Close-up of the limbs of a Spiny starfish (Marthasterias glacialis) showing its many tube feet moving over the seabed, Sark, British Channel Islands, UK, August.

Sue Daly / Close-up of a Seven rayed starfish (Luidia ciliaris) moving over the seabed, showing use of its tube feet to walk, Sark, British Channel Islands, UK, August.

Sue Daly / Seven rayed starfish (Luidia ciliaris) moving over the seabed, showing use of its tube feet to walk, Sark, British Channel Islands, UK, August.

Sue Daly / Anemone hermit crab (Pagurus prideaux) getting into a shell, with a Cloak anemone (Adamsia palliata), Sark, British Channel Islands, UK, June.

Sue Daly / Long legged spider crab (Macropodia) walking across the seabed, Sark, British Channel Islands, UK, June.

Ingo Arndt / Clouds capping volcano crater, Parc des Volcans, Rwanda

Ingo Arndt / Dwarf puff adder / Sidewinder snake crossing sand {Bitis peringueyi} Namibia

Ingo Arndt / Tussock moth caterpillars mass together for defense. Comoe NP, Ivory Coast {Lymantriidae}. This behaviour tricks predators into thinking the caterpillars are a single, much larger, organism.

Francois Savigny / Breeding ball of Anacondas {Eunectes murinus} Venezuela - up to 10 males surround one female

Ingo Arndt / Land snail / Brown-lipped snail (Cepaea nemoralis) crawling over a razor blade. The constantly produced mucus is a protection shield between the sole of the snail and the razor blade whilst the snail...

Bence Mate / Green / Double-crested basilisk (Basiliscus plumifrons) running across water surface, Santa Rita, Costa Rica.

Tony Wu / Sperm whales (Physeter macrocephalus) large group gathering together, rubbing together to shed skin, interacting and defecating. Indian Ocean, March.

Tony Wu / Family of Sperm whales (Physeter macrocephalus) engaged in social activity, rubbing against each other, Indian Ocean, March.

Tony Wu / Aggregation of Sperm whales (Physeter macrocephalus) engaged in social activity. Indian Ocean, March.

Luis Quinta / Grass snake (Natrix natrix) juvenile playing dead, Alvao, Portugal, April.

Pascal Kobeh / 'Lotus', an artificial reef built in 2001 with a steel frame with a mild electrical current which encourages the growth of coral, Ihuru Island, North Male Atoll, Maldives, Indian Ocean. Small reprodu...

Fiona Rogers / Southern plains grey langur / Hanuman langur (Semnopithecus dussumieri) female grooming a domestic dog. Jodhpur, Rajasthan, India. March.

Wim van den Heever / South African fur seal (Arctocephalus pusillus pusillus) bull breaking apart octopus. False Bay, Cape Town, South Africa.

Wim van den Heever / African jacana (Actophilornis africanus) male holding his youngsters safely under his wings whilst walking. Chobe National Park, Botswana.

Wim van den Heever / African jacana (Actophilornis africanus) male holding his youngsters safely under his wings whilst walking. Chobe National Park, Botswana.

Staffan Widstrand / Svalbard reindeer (Rangifer tarandus platyrhynchus) with bloody antlers shedding velvet, Spitsbergen, Svalbard, Norway, September

Danny Green / Japanese crane (Grus japonensis) displaying, wings in heart shape, Hokkaido, Japan, February

Alex Hyde / Chlorophyte or green alga (Volvox aureus) in pond water. UK. The larger spheres are approximately 0.5mm in diameter. Digital composite image.

Enrique Lopez-Tapia / Man feeding Hyaenas (Crocuta crocuta) at night in Harar City, this has been a tradition for several centuries, and has now become a show for tourists. Ethiopia, November 2014

Enrique Lopez-Tapia / Man feeding Hyaenas (Crocuta crocuta) at night in Harar City, this has been a tradition for several centuries, and has now become a show for tourists. Ethiopia, November 2014

Juergen Freund / Banded archerfish (Toxotes jaculatrix) spitting, Oolioo Sandbar, Territory Wildlife Park, Berry Springs, Northern Territory, Australia.

Cyril Ruoso / Komodo dragon (Varanus komodoensis) scavenging on another Komodo dragon, Rinca Island, Komodo National Park, Indonesia. Non-ex

Markus Varesvuo / Mallard duck (Anas platyrhynchos) drake amongst icy reeds, Helsinki, Finland, February

Alex Mustard / A long exposure renders Bar jacks (Carangoides ruber) as ghostly trails as they swim around a sponge, on a coral reef, at night. East End, Grand Cayman, Cayman Islands. Overall winner of GDT competiti...

Floris van Breugel / Glass beach at sunset - a former dump site, in which the glass has now become pebbles of sea glass. MacKerricher State Park. California. USA. January 2013

Mark MacEwen / Broad snouted caiman (Caiman latirostris) baby carried in mother's mouth from the nest, Sante Fe, Argentina, February

Laurent Geslin / Blue tit (Parus caeruleus) at the entrance to its nest in a tree, viewed from inside, Geneva, Switzerland

Laurent Geslin / Blue tit (Parus caeruleus) taking off from a bird feeder, with urban landscape in the background. Geneva, Switzerland

Laurent Geslin / Great crested grebe (Podiceps cristatus) pair feeding their chicks, which are carried on their backs. Lake Geneva, Geneva, Switzerland

Laurent Geslin / Two male urban Red foxes, territorial posture at junction of territories {Vulpes vulpes} London, UK

Laurent Geslin / Two male urban Red foxes, mouths open, one in submissive posture {Vulpes vulpes} London, UK

Laurent Geslin / Resident female urban Red fox (foreground) repelling intruder male {Vulpes vulpes} London, UK

Christophe Courteau / Proboscis monkey (Nasalis larvatus) male preparing to jump. Low tide in the mangroves, Bako National Park, Sarawak, Borneo, Malaysia

Christophe Courteau / Black heron (Egretta ardesiaca) spreads its wings on the Okavango Detla, Botswana. The birds' wings form an umbrella over the water so they can see and hunt fish more easily

Christophe Courteau / Yellow bellied toad defensive behaviour {Bombina variegata} France sequence 5/7

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years feeding on rotten wood from a tree while his juvenile son 'Tembo' aged 4 years waits his turn, Bai Ho...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years feeding on rotten wood from a tree while female 'Malui' and their juvenile son 'Tembo' aged 4 years s...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years feeding on rotten wood from a tree while female 'Malui' and their juvenile son 'Tembo' aged 4 years s...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years feeding on rotten wood from a tree while his juvenile son 'Tembo' aged 4 years waits his turn, Bai Ho...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years reaching into a hole in a tree for rotting wood to feed on, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve...

Yukihiro Fukuda / Male Japanese giant salamander (Andrias japonicus) protecting his eggs inside his nest, Japan, September

Martin Dohrn / John Ruthven swimming in the Bioluminescence Bay in Vieques, Puerto Rico. Dinoflagellates create the bioluminescense when disturbed. Model released.

Alex Mustard / 2020VISION / Plumose anemones (Metridium senile) feeding on Moon jellyfish (Aurilia aurita), which they have captured. Loch Long, Argyll and Bute, Scotland, UK, June. Did you know? Loch Long was previously used as...

Chadden Hunter / Brinicles (brine icicles or ice stalactites) forming under the ice, growing towards the sea floor, Ross Sea, McMurdo Sound, Antarctica. Taken on location for 'Winter' episode of the BBC Frozen Planet...

Alex Mustard / Diver blowing bubble rings, while resting on the sand, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea, January 2011.

Simon Colmer / Honey bee (Apis mellifera) workers exchanging food - known as trophallaxis, Sussex, UK

Kathryn Jeffs / Southern Type B Killer whale (Orcinus orca) hunting Weddell seal (Leptonychotes weddelli) spyhopping to assess where seal is on ice, whilst Humpback whale (Megaptera novaeangliae) surfaces nearby, Ant...

Guy Edwardes / 2020VISION / View south with willow trees over Walton Moor on the Somerset Levels from Walton Hill on a misty winter evening with snow on the ground, Somerset, UK, December 2010. Photographer quote: 'The temperatu...

Guy Edwardes / 2020VISION / Four-spotted chaser dragonfly (Libellula quadrimaculata) in rain, Westhay SWT reserve, Somerset Levels, England, UK, June. Photographer quote: 'Photographing in wet conditions can often result in inte...

Lassi Rautiainen / Brown bear (Ursus arctos) and Grey wolf (Canis lupus) together in wetlands, Kuhmo, Finland, July

Juergen Freund / School of Yellow line scads (Selaroides leptolepis) hunted by Bluefin jacks (Caranx melampygus). Misool, Raja Ampat, West Papua, Indonesia,

Alex Hyde / Dwarf snowbell (Soldanella pusilla) flower in snow. The plant generates heat by fermenting sugars to melt the surrounding snow. Austrian Alps, 2300 metres above sea level, June.

Orsolya Haarberg / Kittiwakes (Rissa tridactyla) nesting on the roof of an abandoned house, Rost, Lofoten, Nordland, Norway, June

Mary McDonald / Black striped capuchin (Sapajus libidinosus) using rocks to crack nuts, Piaui, Brazil

Mary McDonald / Black striped capuchin (Sapajus libidinosus) using rocks to crack nuts, Piaui, Brazil

Mary McDonald / Black striped capuchin (Sapajus libidinosus) using rocks to crack nuts, with young animal watching and learning, Piaui, Brazil

Mary McDonald / Black striped capuchin (Sapajus libidinosus) using rocks to crack nuts, Piaui, Brazil

Mary McDonald / Black striped capuchin (Sapajus libidinosus) using rock to crack nuts, Piaui, Brazil

Mary McDonald / Brown Capuchin (Cebus apella) using rocks to crack nuts, Piaui, Brazil

Angelo Gandolfi / People walking along the narrow path between rocks at Siebenschluff (The Seven Gorges) Berdorf Rocky Trail, Mullerthal Region, Luxembourg's Little Switzerland, Luxembourg, October 2009. Model released

Angelo Gandolfi / An old Cork Oak (Quercus) growing over a rock. February, Corsica island, France. February 2010