Nick Garbutt / Aggregation / bloom / swarm of Moon Jellyfish (Aurelia aurita) in the clear waters of Loch Na Keal, off the Isle of Mull, north west Scotland, UK, June, Photographed through the surface.

Guy Edwardes / Natural Rock Pattern, Northumberland Coast, England

Theo Bosboom / Landscape in Fjallabak Nature Reserve, with circular patterns on the ground, Iceland, September 2017. Highly commended in the Landscape category of the GDT European Wildlife Photographer of the Year A...

Andres M. Dominguez / Frozen Elmleaf blackberry (Rubus ulmifolius) in a small pond, Sierra de Grazalema Natural Park, southern Spain, January.

Wim van den Heever / Leopard (Panthera pardus) cub looking up at birds (out of frame) with mother in background, Khwai River, Botswana. Highly commended in the Mammals category of the Asferico Photography Competition 201...

Claudio Contreras / Aerial view of Red mangrove (Rhizophora mangle) coastal lagoon, Sian Ka'an Biosphere Reserve, Caribbean Sea, Mexico, January

Claudio Contreras / Whale shark (Rhincodon typus) feeding view of tail, Isla Mujeres, Caribbean Sea, Mexico, August. Vulnerable species.

Pedro Narra / Green turtle (Chelonia mydas) two interacting at surface, Bissagos Islands, Guinea Bissau Endangered species. 3rd Place in the SOS Especes Menacees / SOS Endangered Species Portfolio category of the...

Wim van den Heever / Gemsbok (Oryx gazella) viewed from above, Namib Desert, Namibia.

Juergen Freund / Tolga Bat Hospital volunteer handing Little red flying fox (Pteropus scapulatus) baby as it flaps her wings, Tolga Bat Hospital, Atherton Tablelands, Queensland, Australia. May 2015. Second Place in t...

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...

Colin Varndell / Badger (Meles meles) with face lit up at sunset. Dorset, UK July.

Richard Du Toit / Longtailed widowbird (Eupletes progne) male perched in flowers, Rietvlei Nature Reserve, South Africa.

Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) in urban environment Cardiff, UK

Solvin Zankl / Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

Krijn Trimbos / Great crested grebe (Podiceps cristatus) carrying chick while its mate approaches with food, Netherlands, May.

Krijn Trimbos / Great crested grebe (Podiceps cristatus) two in territorial fight, The Netherlands, March.

Cheryl-Samantha Owen / Common or plains zebra (Equus quagga burchelli) grazing in bushTarangire National Park, Northern Tanzania.

Konrad Wothe / View up into canopy with sun rays shining through the leaves, lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Nick Upton / Adult Herring gull (Larus argentatus) walking among sunbathers on beach, St.Ives, Cornwall, UK, June. Editorial use only.

Espen Bergersen / Atlantic puffin (Fratercula arctica) two calling aggresively in snow, Horn??birdcliff, Finnmark, Norway.

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

Juergen Freund / Detail of Giant kelp (Macrocystis pyrifera) gas-filled bladders (pneumatocysts) Vancouver Island, British Columbia, Vancouver Island, Canada.

Ole Jorgen Liodden / Erect-crested penguin (Eudyptes sclateri) surfacing near Bounty Island, Sub-Antarctic New Zealand, March. Endangered species.

David Kjaer / Great bustard (Otis tarda) chicks hatched from eggs collected under licence from the Castilla-La Mancha region of Spain.

Erlend Haarberg / Three-toed woodpecker (Picoides tridactylus) on tree trunk, Sarek National Park, Laponia World Heritage Site, Lapland, Sweden, September.

Erlend Haarberg / Ice patterns on lake, Sorvagen, Moskenes, Lofoten, Nordland, Norway, January.

Paul Williams / View from plane of landscape between Alice Springs and Perth, Australia, November.

Paul Williams / View from plane of eroded salt dome, Kavir Desert, Iran, December.

Jussi Murtosaari / Apollo butterfly (Parnassius apollo) in flight, Foglo, Ahvenanmaa / Aland Islands, Finland, July.

Rod Williams / Comma butterfly (Polygonia c-album) feeding on wild aster, Sutcliffe Park Nature Reserve, Eltham, London, UK, September.

Andy Rouse / Bengal tiger (Panthera tigris) walking portrait, Ranthambhore National Park, India. Crop of image 01500288 Endangered species.

Andy Rouse / Bengal tiger (Panthera tigris) head profile portrait, Ranthambhore National Park, India. Endangered species.

Andy Rouse / Giant panda (Ailuropoda melanoleuca) Chengdu, China. Endangered species, captive.

Tui De Roy / Erect-crested penguins (Eudyptes sclateri) feeding young chick. Antipodes Island, New Zealand Sub-Antarctic Islands. Endemic to Antipodes and Bounty Islands. Endangered species.

Constantinos Petrinos / Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.

Espen Bergersen / Male Steller's eider (Polysticta stelleri) drinking on water with reflections of nearby buildings. Batsfjord, Norway. March.

Robert Thompson / Oleander Hawkmoth (Daphnis nerii) resting, Southern Sicily, Italy. March.

Pal Hermansen / Aerial view of river and swans, South West Iceland, June 2014.

Pal Hermansen / Aerial view of river delta, South West Iceland, June 2014. Finalist in the Art of Nature Category of the Big Picture Competition 2015.

Nick Garbutt / Malachite Butterfly (Siproeta stelenes) hanging upside down on leaf, forest near Napo River, Amazonia, Ecuador, South America.

Markus Varesvuo / Steller's Eagle (Haliaeteus pelagicus) flying past snowy mountain peak, Hokkaido, Japan, February

Markus Varesvuo / Red-crowned Crane (Grus japonensis) preening in snow,Hokkaido, Japan, February

Ben Cranke / Jaguar (Panthera onca) drinking from the river's edge, Mato Grosso, Pantanal, Brazil. August.

Andy Rouse / Bengal Tiger (Panthera tigris tigris) male 'Romeo T6' cooling off in waterhole during hot summer. Ranthambore National Park, India.

Alex Mustard / Male Bullethead parrotfish (Chlorurus sordidus) displaying in late afternoon. Ras Katy, Sinai, Egypt. Gulf of Aqaba, Red Sea.

Michael D. Kern / Kaleidoscope pattern formed from picture of Johnstons Chameleon (Chamaeleo johnstoni) face and legs. Restricted for Editorial use until December 2015

Alex Hyde / Peacock butterfly (Inachis io) basking with open wings on a white background in mobile field studio. Peak District National Park, Derbyshire, UK. August