Jan Wegener / Common Nighthawk (Chordeiles minor) male in display flight, Winnie, Texas

Stephen Dalton / Indian leaf butterfly (Kallima paralekta) in flight.

Stephen Dalton / Barn owl (Tyto alba) in flight approaching bell-tower, carrying rodent prey to young in nest. Sussex, UK.

Andy Murch / Scoophead shark (Sphyrna media), released specimen. Isla Chepillo, Rio Bayano, Panama.

Andy Murch / Rasptail skate (Raja velezi) resting on sea floor. La Paz Bay, Baja California Sur, Mexico.

Stephen Dalton / Orange tip butterfly (Anthocharis cardamines) male in flight amongst Lady's smock or Cuckooflower (Cardamine pratensis),England.

Stephen Dalton / Black witch moth (Ascalapha odorata) in flight, Venezuela. This large moth has a 7 inch wingspan. Wingscales being shed during flight.

Stephen Dalton / Brown rat (Rattus norvegicus) leaping from dustbin, Sussex, England.

Stephen Dalton / Leopard frog (Lithobates pipiens) leaping from pond. Contolled conditions.

Roy Mangersnes / Melting ice sheet with massive waterfalls running off the Austfonna glacier, the third largest glacier in the world covering most of Nordaustlandet island, eastern Svalbard, Norway. Winner of True...

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.

Ingo Arndt / Close up of Honey bees (Apis mellifera) forming 'chains' and a 'ball' at the top of their tree hole nest as they establish a colony, Germany.

Tony Wu / Harlequin mantis shrimp (Odontodactylus scyllarus), close up of compound eyes. Lembeh Strait, North Sulawesi, Indonesia.

Philippe Clement / Female Common kingfisher (Alcedo atthis) diving and catching a Nine-spined stickleback (Pungitius pungitius) fish, stuns and eats it, Belgium, June.

Philippe Clement / Three Hudson Bay wolf pups (Canis lupus hudsonicus) playing near den, Bavarian Wildlife Forest Park, Germany, June. Captive, native to Canada.

Philippe Clement / Male Great spotted woodpecker (Dendrocopos major) wedging nut into a tree stump crevice before hammering it, Belgium, June.

Philippe Clement / Tracking shot through Beech (Fagus sylvatica) forest, with the sun shining through the foliage, dolly shot, Belgium, April.

Philippe Clement / Blue tit (Cyanistes caeruleus) collecting cotton wool for nest building before flying out of frame, Belgium, April.

Philippe Clement / Wood anemones (Anemone nemorosa) in flower in forest, dolly shot, Belgium, April.

Mark Carwardine / Fin whale (Balaenoptera physalus), two feeding, aerial view. Baja California, Mexico. March.

Mark Carwardine / Spinetail devil ray (Mobula mobular), four with rays of light and sparkle of sun on water, aerial view. Sea of Cortez, Baja California, Mexico. March.

John Cancalosi / Captive corn snake (Pantherophis guttatus) eating an Eastern chipmunk (Eutamias sp.). The chipmunk was found dead and fed to the captive snake. North America.

James Dunbar / Slow motion clip of a Beefly (Bombyliidae sp.) laying eggs by flicking them into the nest of a solitary bee, UK, April.

James Dunbar / Beefly (Bombyliidae sp.) feeding at flower, April, UK

Simon Littlejohn / Two European otters (Lutra lutra) hunting in the River Stour, Dorset, England, UK, May.

Simon Littlejohn / Juvenile Lammergeier vulture (Gypaetus barbatus) in flight, mobbed by a raven, Grand Bargy cirque, Haute Savoie, France, October.

Simon Littlejohn / Bonelli's eagle chicks (Aquila fasciata) in nest pecking each other, aged one week, Andalusia , Spain, May.

Simon Littlejohn / Pair of Griffon vultures (Gyps fulvus) mating, Andalusia, Spain, June.

Simon Littlejohn / Honey bee (Apis) nectaring from a flowering Eucalyptus tree, Andalusia, Spain, June.

Simon Littlejohn / Female Patagonian puma (Puma concolor patagonia) feeding on a Guanaco (Lama guanacoe) carcass, Torres del Paine National Park, Patagonia, Chile, July.

Simon Littlejohn / Female Patagonian puma (Puma concolor patagonica) dragging the carcass of a young Guanaco (Lama guanicoe), Torres del Paine National Park, Patagonia, Chile, July.

Simon Littlejohn / Close-up of a female Patagonian puma (Puma concolor patagonica) feeding on a Guanaco (Lama guanicoe) carcass, filmed with a remote camera, Torres del Paine National Park, Patagonia, Chile, May.

Simon Littlejohn / Flock of Griffon vultures (Gyps fulvus) feeding, Andalusia, Spain, May.

Simon Littlejohn / Griffon vulture (Gyps fulvus) regurgitating food for its chick, chick struggles to eat, Andalusia, Spain, June.

Simon Littlejohn / Mute swans (Cygnus olor) hissing and lunging at a European otter (Lutra lutra), River Stour, Dorset, England, UK, June.

Simon Littlejohn / Family of European otters (Lutra lutra) feeding and playing amongst Whitewater crowfoot (Ranunculus aquatilis) flowers, River Stour, Dorset, England, UK, June.

Simon Littlejohn / Close-up of a female European otter (Lutra lutra) and two juveniles feeding in a river, River Stour, Dorset, England, UK, June.

Simon Littlejohn / Female European otter (Lutra lutra) and two large pups playing and feeding in mid river, River Stour, Dorset, England, UK, June.

Dave Watts / Hoopoe (Upupa epops) male and female pair visiting nest to feed chicks, France

Brian Bevan / Male European cuckoo (Cuculus canorus) trying to mate with a decoy female, used as part of a scientific study, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) calling to another male from branch, flies off, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) trying to mate with a decoy female, used as part of a scientific study, Bedfordshire, England, UK, May.

Brian Bevan / Male European cuckoo (Cuculus canorus) calling to another male, before flying off in response to a female, Bedfordshire, England, UK, May.

Morley Read / Slow motion shot of a Rufous tailed hummingbird (Amazilia tzacatl) drinking nectar from a Heliconia flower, Mindo, Ecuador.

Morley Read / Slow motion shot of a Violet tailed sylph hummingbird (Aglaiocercus coelestis) drinking nectar from a Heliconia flower, Mindo, Ecuador.

Morley Read / Mist blowing through cloudforest, Mindo, Ecuador, 2019.

Konrad Wothe / Macgregor's bowerbird (Amblyornis macgregoriae) singing in rainforest, Papua New Guinea.

Konrad Wothe / Macgregor's bowerbird (Amblyornis macgregoriae) decorating his bower in a rainforest, Papua New Guinea.