Alex Mustard / Southern stingray (Dasyatis americana) two swimming over sand bar, under stormy sky. Grand Cayman, Cayman Islands. British West Indies.

Alex Mustard / Yellow tube sponge (Aplysina fistularis) on coral reef, diver exploring in background. Black Rock Drop Off, East End, Grand Cayman, Cayman Islands, British West Indies. Model released.

Alex Mustard / Portrait of a tarpon (Megalops atlanticus) on a coral reef. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Alex Mustard / Portrait of a male short snouted seahorse (Hippocampus hippocampus) in sea oak seaweed (Halidrys siliquosa). Devon, England, United Kingdom. British Isles. English Channel. North East Atlantic Ocean.

John Shaw / Common loon (Gavia immer) with a chick alongside. British Columbia, Canada. June.

Nick Upton / Captive reared juvenile White stork (Ciconia ciconia) in flight over the Knepp Estate soon after release, Sussex, UK, August 2019.

Nick Upton / Captive reared juvenile White stork (Ciconia ciconia) with a GPS tracker on its back in flight over the Knepp Estate soon after release, Sussex, UK, August 2019.

Nick Hawkins / Steller's sea lions (Eumetopias jubatus) off the coast of the Great Bear Rainforest, near Bella Bella, British Columbia, Canada. August

Nick Hawkins / Chum salmon (Oncorhynchus keta) migrate up a small river near Bella Bella, British Columbia, Canada. September

Robin Chittenden / Common swift (Apus apus) flying low to water while hunting, Norfolk, England, UK, July. Winner of Animal Behaviour Category of the British Wildlife Photography Awards 2019.

Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) pair circling each other above coral reef. Seven Mile Beach, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Matthew Maran / Beaver (Castor fibre) female feeding on willow bark with her two kits, River Otter, Devon, England, UK, July. Highly commended in the Habitat category of the British Wildlife Photography Awards (BWPA)...

Jordi Chias / Goliath grouper (Epinephelus itajara) inside a coral cave. Bloody Bay Wall, Little Cayman, Cayman Islands. British West Indies. Caribbean Sea.

Alex Mustard / Southern stingray (Dasyatis americana) swimming over sand in shallow water, split level photo with blue sky and clouds. The Sandbar, Grand Cayman, Cayman Islands. British West Indies. Caribbean Sea.

Alex Hyde / Colony of Common Mussels (Mytilus edulis) growing on striated rock formation exposed at low tide. Cornwall, England, UK. Highly commended in the Coast and Marine Category of the British Wildlife Photo...

Danny Green / Pine marten (Martes martes) reflected in water, Ardnamurchan Peninsula, west coast of Scotland, UK. Highly commended in the Mammals category of the British Wildlife Photography Awards (BWPA) Competiti...

Andrew Parkinson / Badger (Meles meles) adult in pine forest at sunset, Derbyshire, UK, June. Highly commended in the Habitat category of the British Wildlife Photography Awards (BWPA) Competition 2017.

Andrew Parkinson / Badger (Meles meles) adult, backlit at sunset, scratching its ears, Derbyshire, UK, May. Winner of the Animal Behaviour category of the British Wildlife Photography Awards (BWPA) Competition 2017.

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...

Andrew Parkinson / Mountain hare (Lepus timidus) grooming itself, with back foot raised, Cairngorms National Park, Scotland, UK, February. Highly Commended in the Animal Behaviour category of the British Wildlife Photo...

Sue Daly / Feather duster fan worm (Sabella spallanzanii) with tentacles moving in the current, Sark, British Channel Islands, UK, August.

Sue Daly / Common cuttlefish (Sepia officinalis) hunting, filmed at night, Sark, British Channel Islands, UK, August.

Sue Daly / Common cuttlefish (Sepia officinalis) hunting, filmed at night, Sark, British Channel Islands, UK, August.

Sue Daly / Common cuttlefish (Sepia officinalis) hunting, filmed at night, Sark, British Channel Islands, UK, August.

Sue Daly / Common cuttlefish (Sepia officinalis) hunting, filmed at night, Sark, British Channel Islands, UK, August.

Sue Daly / Close up of the face of a Brill (Scophthalmus rhombus), swims out of frame, Sark, British Channel Islands, UK, August.

Sue Daly / Brill (Scophthalmus rhombus) camouflaged on the seabed, Sark, British Channel Islands, UK, August.

Sue Daly / Close up of a Plaice (Pleuronectes platessa), swims away, Sark, British Channel Islands, UK, June.

Sue Daly / Ocean sunfish (Mola mola) , Sark, British Channel Islands, UK, September.

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 / Spiny starfish (Marthasterias glacialis) moving its arms over the seabed, showing use of its tube feet, 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 / Barrel jellyfish (Rhizostoma octopus) swimming past, Sark, British Channel Islands, UK, September.

Sue Daly / Common lobster (Homarus gammarus) shovelling gravel out of a hole, 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 / King penguin (Aptenodytes patagonicus) colony with adults and chicks. St Andrews Bay, South Georgia Island, Southern Ocean, Antarctic Convergence

SCOTLAND: The Big Picture / Curious Red Squirrel (Sciurus vulgaris) peering at camera from garden fence, Cairngorms National Park, Highlands, Scotland, UK, September 2016. Highly commended in the Animal Portraits category of the...

SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) on old pine tree, looking through autumn birch foliage, Scotland, UK, October. Highly Commended in the Habitat Category of the British Wildlife Photography Awards (BWPA...

SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) silhouetted against autumnal woodland, Highlands, Scotland, UK, October. Winner of the Seasons Category of the British Wildlife Photography Awards (BWPA) competition 20...

SCOTLAND: The Big Picture / Humpback whale (Megaptera novaeangliae) just under surface, off Shetland, Scotland, UK. First ever underwater images of humpbacks in British waters

Alex Mustard / Yellow tube sponge (Aplysina fistularis) on a coral reef, with the camera rotated during the long exposure. East End, Grand Cayman, Cayman Islands. British West Indies. Caribbean Sea.

Alex Mustard / Grey seal (Halichoerus grypus) young female opens her mouth and blows bubbles through her nose playfully while she looks up from the seabed. Lundy Island, Devon, UK, Bristol Channel. August. Highly co...

Alan Murphy/ BIA / Marsh Wren (Cistothorus palustris) calling, British Columbia, Canada

Mark Hamblin / Raven (Corvus corax) adult calling from rock in mountain habitat, Scotland, UK. November. Third place in British Birds Bird Photograph of the Year competition 2016.

Peter Cairns / Golden eagle (Aquila chrysaetos) feeding on red deer carcass, Assynt, Scotland. Highly commended in the Habitat category of the BWPA (British Wildlife Photography Awards) 2016.

Mark Hamblin / Red Squirrel (Sciurus vulgaris) leaping onto log, Scotland, UK, September. Highly commended in the Habitat category of the BWPA (British Wildlife Photography Awards) 2016.

Andy Rouse / Great crested grebe (Podiceps cristatus) swimming, backlit with morning light forming a bokeh affect on the water, Wales, UK, February. Highly commended in the Habitat Category of the BWPA (British W...

Alex Mustard / Spotlight goby (Gobiosoma louisae) looking out from inside a Yellow tube sponge (Aplysina fistularis), growing on a coral reef. Bloody Bay Wall, Little Cayman, Cayman Islands, British West Indies. Car...

Danny Green / Pine marten (Martes martes) portrait, Ardnamurchan Peninsula, Scotland, August. Highly commended in the Portrait category of the BWPA (British Wildlife Photography Awards) Competition 2016.

Danny Green / Pine marten (Martes martes) leaping, Ardnamurchan Peninsula, Scotland, August. Highly commended in the Animal Behaviour category of the BWPA (British Wildlife Photography Awards) Competition 2016.

Phil Savoie / Radnor lily (Gagea bohemica) the rarest flower in the UK at sunset, Stanner Rocks National Nature Reserve, Powys, Wales, UK, February. Commended in the BWPA (British Wildlife Photography Awards) Compe...

Alex Mustard / Red Irish lord (Hemilepidotus hemilepidotus) resting on a yellow sponge, in front of red soft coral (Eunephthya rubiformis). Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. Nor...

Tim Zurowski/ BIA / Western Wood-Pewee (Contopus sordidulus), British Columbia, Canada

Tim Zurowski/ BIA / Steller's Jay (Cyanocitta stelleri), British Columbia, Canada

Tim Zurowski/ BIA / Spotted Towhee (Pipilo maculatus), British Columbia, Canada

Tim Zurowski/ BIA / Pileated Woodpecker (Dryocopus pileatus), British Columbia, Canada

Tim Zurowski/ BIA / Northern Flicker (Colaptes auratus) male, British Columbia, Canada

Yva Momatiuk & John Eastcott / Sockeye Salmon (Oncorhynchus nerka) group migrating upstream, Adams River, Roderick Haig-Brown Provincial Park, British Columbia, Canada

Ingo Arndt / Sockeye Salmon (Oncorhynchus nerka) group swimming upstream during spawning run, Adams River, Roderick Haig-Brown Provincial Park, British Columbia, Canada

Franco Banfi / Pacific octopus (Octopus dofleini) Vancouver Island, British Columbia, Canada, Pacific Ocean

Gerrit Vyn / Sandhill crane (Grus canadensis) British Columbia, Canada. December.

Alex Mustard / Red eye medusa (Polyorchis penicillatus) with hitchhiking amphipods (Hyperia medusarum). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.

Alex Hyde / House spider female (Tegenaria sp.) in garden shed. Derbyshire, UK, March. Highly Commended in the Urban Wildlife category of the 2015 British Wildlife Photography Awards (BWPA) Competition.

Alex Hyde / Red Deer herd (Cervus elaphus) moving over mountain ridge in heavy snow. Cairngorms National Park, Scotland. January. Highly Commended in the Habitat category of the British Wildlife Photography Award...

Yva Momatiuk & John Eastcott / Sockeye Salmon (Oncorhynchus nerka) migrating upstream, Adams River, Roderick Haig-Brown Provincial Park, British Columbia, Canada

Tim Zurowski / Red Crossbill (Loxia curvirostra), British Columbia, Canada

Tim Zurowski / Red Crossbill (Loxia curvirostra), British Columbia, Canada

Tim Zurowski / Wood Duck (Aix sponsa) male calling, British Columbia, Canada

Tim Zurowski / Steller's Jay (Cyanocitta stelleri), British Columbia, Canada

Tim Zurowski / Steller's Jay (Cyanocitta stelleri), British Columbia, Canada

Tim Zurowski / Rufous Hummingbird (Selasphorus rufus) female feeding on flower nectar, British Columbia, Canada

Alan Murphy / Eastern Warbling-Vireo (Vireo gilvus) in nest, British Columbia, Canada

Alan Murphy / Eastern Warbling-Vireo (Vireo gilvus), British Columbia, Canada

Alan Murphy / Virginia Rail (Rallus limicola) calling, British Columbia, Canada

Alan Murphy / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) male with insect prey, British Columbia, Canada

Alan Murphy / Western Tanager (Piranga ludoviciana) male, British Columbia, Canada

Alan Murphy / Tree Swallow (Tachycineta bicolor) male, British Columbia, Canada

Alan Murphy / Ruddy Duck (Oxyura jamaicensis) male in courtship display, British Columbia, Canada

Alan Murphy / Mountain Bluebird (Sialia currucoides) male, British Columbia, Canada

Alan Murphy / Marsh Wren (Cistothorus palustris) calling, British Columbia, Canada

Alan Murphy / Marsh Wren (Cistothorus palustris) calling, British Columbia, Canada

Alan Murphy / Marsh Wren (Cistothorus palustris) calling from cattail, British Columbia, Canada

Alan Murphy / Evening Grosbeak (Coccothraustes vespertina) male, British Columbia, Canada

Alan Murphy / Evening Grosbeak (Coccothraustes vespertina) male, British Columbia, Canada

Alan Murphy / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) female on cattails, British Columbia, Canada

Alan Murphy / Savannah Sparrow (Passerculus sandwichensis), British Columbia, Canada

Alan Murphy / Olive-sided Flycatcher (Contopus cooperi), British Columbia, Canada

Alan Murphy / Northern Flicker (Colaptes auratus) female at nest cavity with chicks, British Columbia, Canada

Alan Murphy / Northern Flicker (Colaptes auratus) male at nest cavity with chicks, British Columbia, Canada

Alan Murphy / Least Flycatcher (Empidonax minimus) calling, British Columbia, Canada

Alan Murphy / Glaucous Gull (Larus hyperboreus) striking at a fish while in flight, British Columbia, Canada

Alan Murphy / Common Loon (Gavia immer) pair on lake at sunset, British Columbia, Canada

Alan Murphy / Common Loon (Gavia immer), British Columbia, Canada