Noemie Stroh / Green turtles (Chelonia mydas) mating on coral reef, Rocky Island, Red Sea, Egypt, June.
Noemie Stroh / Yellow scroll coral (Turbinaria reniformis) surrounded by colourful reef fish, Jackson Reef, Red Sea, Egypt, September.
Lewis Jefferies / Red squirrel (Sciurus vulgaris) feeding on the ground in the Cairngorms National Park, Scotland, UK, June.
Oscar Dewhurst / Red knot (Calidris canutus) flock at high tide roost. Snettisham, Norfolk, UK. October.
Markus Varesvuo / Robin (Erithacus rubecula) carrying a red berry in its beak as it takes off, Parainen Uto, Finland. October.
Lewis Jefferies / Close up shot of Pulsating xenid (Heteroxenia fuscescens) feeding , Red Sea, Egypt
Eduardo Blanco / Tree silhouetted against volcanic eruption, Cumbre Vieja Volcano, La Palma, Canary Islands, September 2021.
Oriol Alamany / Cumbre Vieja volcano erupting at night, La Palma, Canary Islands, September 2021.
Kim Taylor / Female Red mason bee (Osmia bicornis) stocking her nest in a glass tube with nectar and pollen before laying an egg, followed by her sealing the cell with mud, Surrey, UK, April.
Oscar Dewhurst / Shelduck (Tadorna tadorna) landing on water. Gloucestershire, England, UK. March
Alex Mustard / Portrait of a Red Sea anemonefish (Amphiprion bicinctus) above the tentacles of a Magnificent sea anemone (Heteractis magnifica) on a coral reef. Daedelus Reef. Egypt. Red Sea.
Pascal Kobeh / A school of Bluespotted cornetfish (Fistularia commersonii), Red Sea, Egypt.
Alex Hyde / Commuity of mosses predominately red Sphagnum Moss (Sphagnum sp.), with Reindeer Lichen (Cladonia sp.) growing alongside, in blanket bog. Glen Affric, Scotland, UK. October. Focus stacked image.
Carlos Zorrilla / Male Andean cock-of-the-rock (Rupicola peruvianus) displaying at lek in tree, Ecuador
Milan Radisics / Female Red fox (Vulpes vulpes) walking along tree trunk in heavy fog at night. Light source behind the subject creates dramatic volumetric lighting. Vertes Mountains, Hungary.
Neil Aldridge / Slow motion shot of two Grey long eared bat (Plecotus austriacus) flying, leaving roost in barn to go hunting, Devon, UK. The Grey long eared bat is one of the UK's rarest mammals.
Neil Aldridge / Slow motion shot of Soprano pipistrelle bat (Pipistrellus pygmaeus) crawling out of roost in barn roof and flying away, Devon, UK.
Kim Taylor / Female Red mason bee (Osmia bicornis) returning to her nest hole in a dead holly trunk, April.
Rose Summers / Red deer (Cervus elaphus) doe cleaning the face of its young before yawning, Richmond Park, London, England, UK, October.
Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) female and male on red volcanic beach, Rabida Island, Galapagos, Ecuador
Solvin Zankl / Blood-red hermit crab (Pagurus edwardsi) around 4cm in size, emerging out of its shell, Comau Fjord, Patagonia, Chile.
Shane Gross / Red mangrove (Rhizophora mangle) propagules / plantlets which become fully mature plants before dropping off the parent tree to drift away and establish a new tree. Bahamas.
Andy Rouse / European Robin (Erithacus rubecula) in frosty garden, Wales, UK, January.
Cyril Ruoso / Red-necked wallaby (Macropus rufogriseus) in woodland clearing. Population naturalised after escaping from an animal park. Rambouillet forest, Ile-de-France, France. October 2019.
Guy Edwardes / Slime mould (Arcyria denudata) sporangia. New Forest National Park, England, UK. November. Focus stacked image.
Andy Murch / Red stingray (Hemitrygon akajei) with Banded houndshark (Triakis scyllium) group and smaller fish in background. Chiba Prefecture, Honshu, Japan. September.
Shane Gross / Dugong (Dugong dugon) feeding on Tapegrass (Halophila stipulacea), accompanied by juvenile Golden trevally fish (Gnathanodon speciosus). Marsa Alam, Egypt.
Shane Gross / Dugong (Dugong dugon) male and juvenile Golden trevally (Gnathanodon speciosus) shoal swimming over Turtlegrass (Halophila stipulacea) seagrass bed. Marsa Alam, Egypt.
Klaus Echle / Red fox (Vulpes vulpes) silhouetted in mixed beech-Douglas fir forest. Freiburg, Black Forest National Park, Germany, October.
Ben Hall / Red deer (Cervus elaphus) backlit at dawn with visible breath. UK. October.
David Tipling / Red grouse (Lagopus lagopus) male in flight over Heather. Grinton Moor, above Swaledale, Yorkshire Dales National Park, England, UK. July.
David Tipling / Red grouse (Lagopus lagopus) male in flight. Grinton Moor, above Swaledale, Yorkshire Dales National Park, England, UK. July.
Shane Gross / Lemon shark juvenile (Negaprion brevirostris) swimming in mangrove habitat near blue crab (Callinectes sapidus), a prey species for the shark. Eleuthera, Bahamas.
Shane Gross / Lemon shark juvenile (Negaprion brevirostris) trying to feed on the leaves of a red mangrove (Rhizophora mangle). As pups, the sharks have to learn to hunt for themselves and sometimes make mistakes....
David Tipling / Flock of Knot (Calidris canutus) chased by a Peregrine as they arrive to roost at high tide, Cormorants in foreground, Snettisham RSPB Reserve, The Wash, Norfolk, September.
Tony Heald / Red Deer (Cervus elaphus) stags fighting during the rutting season. Bushy Park, London, UK. October.
Edwin Giesbers / Common red soldier beetle (Rhagonycha fulva) pair mating amongst flowers. The Netherlands. July.
Pal Hermansen / Red squirrel (Sciurus vulgaris) in tree with conifer cone in mouth. Akershus, Norway. April.