Ismaele Tortella / Three Rock ptarmigan (Lagopus muta) feeding in winter plumage, city of Tromso in the background, northern Norway, March 2019.

Ismaele Tortella / Svalbard reindeer (Rangifer tarandus platyrhynchus) feeding in snow, Svalbard, Norway, March.

Ismaele Tortella / Reindeer (Rangifer tarandus), Kvaloya island, Tromso, Norway, November.

Morley Read / Slow motion clip of a large group of Butterflies (Pieridae) taking flight after puddling, absorbing nutrients or minerals from damp soil, Orellana Province, Amazon rainforest, Ecuador.

Morley Read / Large group of Butterflies (Pieridae) taking flight after puddling, absorbing nutrients or minerals from damp soil, Orellana Province, Amazon rainforest, Ecuador.

Morley Read / Slow motion clip of a Mute swan (Cygnus olor) with three cygnets, Cornwall, England, UK, May.

Morley Read / Slow motion clip of a male Orchid bee (Euglossini) gathering nectar from an orchid (Lycomormium ecuadorense) flower, Imbabura Province, Ecuador.

Morley Read / Aerial shot of a group of wild ponies (Equus caballus) in paramo landscape at the base of Cotopaxi Volcano, Ecuadorian Andes, 2018.

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Jami Tarris / Caribou (Rangifer tarandus) entering teepee for food, Khovsgol, Mongolia

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) seven year old juvenile male, named Siri, feeding on vines, Gombe National Park, Tanzania

Martin Willis / Red-collared Lorikeet (Trichoglossus rubritorquis) feeding on flower nectar, Kimberley, Western Australia, Australia

Danny Green / Polar bear (Ursus maritimus) female and cubs feeding on Whale carcass. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and two cubs feeding on Whale carcass. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs feeding on Whale carcass. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs feeding on Whale carcass, on iceberg. Svalbard, Norway, July 2018.

Danny Green / Polar bear (Ursus maritimus) group on ice, female and cubs feeding on Whale carcass. Svalbard, Norway, June 2018.

Phil Savoie / Blue tit (Cyanistes caeruleus) bringing Crab spider (Misumena vatia) prey to nest, Monmouthshire Wales, UK, May.

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum), feeding on wild alpine strawberry (Fragaria vesca), Monmouthshire, Wales, UK. December

Phil Savoie / Grey patched mining bee (Andrena nitida),male feeding rambling rose flower (Rosa sp) Monmouthshire, Wales, UK. April

Phil Savoie / Grey-patched Mining Bee (Andrena nitida) feeding on Dandelion (Taraxacum offinicale) Monmouthshire, Wales, UK. April

Andres M. Dominguez / Hawfinch (Coccothraustes coccothraustes) perched on branch amongst Hawthorn (Crataegus sp) berries. Sierra de Grazalema Natural Park, Cadiz, Spain. February.

Alex Mustard / Green turtle (Chelonia mydas) feeding on Seagrass (Halophila stipulacea), blowing sand out of nostrils, on sea floor. Marsa El Shouna, Marsa Alam, Egypt.

Tony Wu / Humpback whale (Megaptera novaeangliae australis) female with suckling calf. Vava'u Islands, Tonga.

Chris Mattison / Common wasp (Vespula vulgaris) feeding on bread and jam. Monmouthshire, Wales, UK. March.

Gary Bell/ Oceanwide / Veined Octopus (Octopus marginatus) predating urchin, Anilao, Philippines

Jordi Chias / Gentoo penguin (Pygoscelis papua) feeding chick, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguin (Pygoscelis papua) feeding chick, Antarctic Peninsula, Antarctica.

Jordi Chias / Leopard seal (Hydrurga leptonyx) predating a Gentoo penguin (Pygoscelis papua) Antarctic Peninsula, Antarctica.

Ingo Arndt / Close-up of a Guanaco (Lama guanicoe) feeding, Torres del Paine National Park, Patagonia, Chile, December.

Ingo Arndt / Aerial shot over a herd of Guanacos (Lama guanicoe), Torres del Paine National Park, Patagonia, Chile, April.

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) mother nursing calf, Newfoundland, Canada

Loic Poidevin / Eurasian bullfinch (Pyrrhula pyrrhula) male on a branch feeding on Rowan (Sorbus aucuparia) berries, Leon, Spain, February.

Loic Poidevin / Eurasian bullfinch (Pyrrhula pyrrhula) male on a branch feeding on Rowan (Sorbus aucuparia) berries, Leon, Spain, February.

Alex Mustard / RF - Basking shark (Ceterhinus maximus) feeding on plankton in Senen Cove, Cornwall, UK. June. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF - Green sea turtle (Chelonia mydas) Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean. (This image may be licensed either as rights managed or royalty free.)

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

Lucas Bustamante / Labiated rainfrog (Pristimantis labiosus) feeding on spider prey, Mashpi, Pichincha, Ecuador

Lucas Bustamante / Giant river otter (Pteronura brasiliensis) eating a catfish. Yasuni National Park, Orellana, Ecuador

Nick Upton / Close-up of a Meadow brown butterfly (Maniola jurtina) nectaring on a Greater knapweed flower (Centaurea scabiosa) in a chalk grassland meadow, Wiltshire, England, UK, June.

Nick Upton / Juvenile Goldenrod spider (Misumena vatia) camouflaged on a Common hogweed (Heracleum sphondylium) flowerhead, reacting to and catching a fly (Muscidae), Wiltshire, England, UK, June.

Nick Upton / Two Dark green fritillary butterflies (Argynnis aglaja) and a Narrow-bordered five-spot burnet moth (Zygaena lonicerae) nectaring on a Greater knapweed flower (Centaurea scabiosa) in a chalk grassland...

Nick Upton / Six-spot burnet moth (Zygaena filipendulae), Marbled white butterflies (Melanargia galathea) and a Dark green fritillary (Argynnis aglaja) nectaring on a clump of Greater knapweed flowers (Centaurea s...

Nick Upton / Male Thick-legged flower beetle (Oedemera nobilis), with a Pyramidal orchid (Anacamptis pyramidalis) pollinium attached to its head, nectaring on Common hogweed flowers (Heracleum sphondylium), Wiltsh...

Nick Upton / Marbled white butterflies (Melanargia galathea) nectaring on a clump of Greater knapweed flowers (Centaurea scabiosa) in a chalk grassland meadow, Wiltshire, England, UK, June.

Nick Upton / Marbled white butterflies (Melanargia galathea) nectaring on a clump of Greater knapweed flowers (Centaurea scabiosa) in a chalk grassland meadow, Wiltshire, England, UK, June.

Jack Dykinga / Sandhill cranes (Antigone canadensis) feeding in pond, Bosque del Apache National Wildlife Refuge, New Mexico, USA. January.

Jack Dykinga / Sandhill cranes (Antigone canadensis) taking off and flying past a full 'super-moon' en route to feeding in neighboring fields. Bosque del Apache National Wildlife Refuge, New Mexico, USA, Jan...

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

Nick Upton / Forest caterpillar hunter (Calosoma sycophanta) feeding on a Gypsy moth caterpillar (Lymantria dispar) it has killed in a Holm oak tree, Bacu Goloritze ravine, Baunei, Sardinia, Italy, May.

Nick Upton / Sand-loving / Square-headed wasp (Tachysphex costae) feeding on Sea holly flowers (Eryngium maritimum) on a beach, Sardinia, Italy, June.

Suzi Eszterhas / Leopard (Panthera pardus) six-week-old cub nursing, Jao Reserve, Botswana

Nigel Cattlin / Immature caterpillar of a codling moth (Cydia pomonell) eating its way through a gallery in a ripening apple fruit, Berkshire, July

Nigel Cattlin / Harlequin ladybird (Harmonia axyridis) larvae still with a raft of empty egg cases, June Berkshire, England, UK.

Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September

Franco Banfi / School of Munk's devil ray, pygmy devil ray, (Mobula munkiana), feeding on plankton at night, photographed on a long exposure, Espiritu Santo Island, Sea of Cortez, Baja California, Mexico, East Pacif...

John Chan / Crenulated fiddler crab (Uca crenulata) feeding on detritus, Southern California, USA, June.

John Chan / Peregrine falcon (Falco peregrinus) plucking Dowitcher (Limnodromus) prey, Southern California, USA.

John Chan / American avocet (Recurvirostra americana) foraging in salt marsh, Southern California, USA.

John Chan / Killdeer (Charadrius vociferus) stamping its feet to create vibrations in the sand as it forages for insects, Southern California, USA, August.

John Chan / Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.

David Woodfall / Little tern (Sterna albifrons ) feeding sand eel (Hyperoplus spp) to young chick. Gronant Dunes, Denbighshire, Wales, UK, June.

John Shaw / Purple gallinule (Porphyrio martinicus) reaches for giant bulrush (Schoenoplectis californicus) seeds. Wakodahatchee Wetlands, Florida, USA, April.

John Shaw / Osprey (Pandion haliaetus) with Atlantic needlefish (Strongylura marina) it has caught. Blue Cypress Lake, Florida, USA, April.

Shane Gross / Queen conch (Lobatus gigas) juvenile feeding on algae growing on Seagrass (Thalassia testudinum) blades. Eleuthera, Bahamas.

Espen Bergersen / Humpback whale (Megaptera novaeangliae) feeding around herring fishing vessel. Kvanangen, Troms, Norway. November

Espen Bergersen / Herring (Clupea harengus) caught in fishing net. Gulls in the net are taking of and flying around, shot with long shutter speed. Norway. December. November

Espen Bergersen / Gulls and Killer whales / orcas (Orcinus orca) feeding on herring. Kvaloya, Troms, Norway October

Espen Bergersen / Killer whales / orcas (Orcinus orca) feeding on a bait ball of Herring. Extremely cold conditions (- 15 C) with backlit ice fog. Kvanangen, Troms, Norway. January

Paul Williams / Kinabalu Giant red leech (Mimobdella buettikoferi) feeding on Kinabalu Giant earthworm (Pheretima darnleiensis), Mount Kinabalu, Borneo.

Phil Savoie / Smeathmans furrow bee (Lasioglossum smeathmanellum) feeding on Allium flower. Monmouthshire, Wales, UK, May.

Andy Rouse / Sally lightfoot crab, (Grapsus grapsus), feeding on marine iguana parasites and dead skin, Galapagos

Jiri Lochman / Little red kaluta (Dasykaluta rosamodae) feeding on a grasshopper, Great Sandy Desert, Western Australia.

Jiri Lochman / Red-tailed phascogale (Phascogale calura) feeding on a Banksia flower, Wheat-belt Region of Western Australia, Endangered species.

Jiri Lochman / Little red kaluta (Dasykaluta rosamodae) feeding on Ashby's Banksia (Banksia ashbyi) flower, Kennedy Range NP, Western Australia.

Jiri Lochman / Long-tailed dunnart (Sminthopsis longicaudata) feeding on a tree cricket, Kennedy Range NP, Western Australia.

John Chan / California sea lion (Zalophus californianus) feeding on a Striped bass (Morone saxatilis), Southern California, USA.

Yashpal Rathore / Bengal tiger (Panthera tigris tigris) tigress (T32) feeding on Spotted deer / Chital (Axis axis) killed by her earlier that day while her young cub watches. Kanha National Park, Central India. Camera...

SCOTLAND: The Big Picture / Beetle, (Rhagonycha fulva), feeding on oxeye daisy flower, Scotland, UK, July.

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

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

Oscar Dewhurst / Great bittern (Botaurus stellaris) with recently caught fish prey in beak. Suffolk, UK. November.

Oscar Dewhurst / Red Fox (Vulpes vulpes) scavenging for food in a rubbish skip. London, UK. November

Espen Bergersen / Aerial shot of a fishing boat catching Atlantic herring (Clupea harenguis), with Killer whales (Orcinus orca) and Humpback whales (Megaptera novaeangliae) swimming around the boat and large numbers of...

Espen Bergersen / Aerial shot of a fishing boat catching Atlantic herring (Clupea harenguis), with Killer whales (Orcinus orca) and Humpback whales (Megaptera novaeangliae) swimming around the boats and large numbers o...

Espen Bergersen / Aerial shot of fishing boats catching Atlantic herring (Clupea harenguis), with Killer whales (Orcinus orca) swimming around the boats, Troms, Norway, January.

Espen Bergersen / Aerial shot of Killer whale (Orcinus orca) hunting Atlantic herring (Clupea harengus), Troms, Norway, October.

Espen Bergersen / Aerial shot of five Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of a group of Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, one whale creating a bubble n...

Espen Bergersen / Aerial shot of five Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus), Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of three Humpback whales (Megaptera novaeangliae) swimming into a shoal of Atlantic herring (Clupea harengus), preparing to lunge feed, Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) lunge feeding in a shoal of Atlantic herring (Clupea harengus) with some fish jumping out of the water, Troms, Norway, January.

Espen Bergersen / Aerial shot of four Humpback whales (Megaptera novaeangliae) swimming near to a shoal of Atlantic herring (Clupea harengus), Troms, Norway, January.