David Fleetham / Curious Humpback whale calf (Megaptera novaeangliae) during moment away from its mother, Hawaii.

Neil Aldridge / African Lion (Panthera leo) cub reaches for a moment of intimacy with its father, Northern Tuli Game Reserve, Botswana

Paul D Stewart / Illustration of Giant Octopus (Octopus dofleini) attacking a ship, 1815 copperplate engraving from Bertuch's 'Bilderbuch fur kinder' 16 plate 5. with contemporary colour. 'Colosal Polypus' (octopus) a...

Anup Shah / Lioness (Panthera leo) and cub aged 9-12 months share affectionate moment, Masai Mara National Reserve, Kenya

Mark Hamblin / 2020VISION / Mountain hare (Lepus timidus) in winter coat, running across snow, Cairngorms NP, Scotland, January 2010. Photographer quote: "After 4 hours of trudging through deep snow I was completely exhausted an...

John MacPherson / 2020VISION / Bottlenose dolphin (Tursiops truncatus) two breaching in evening light, Moray Firth, Inverness-shire, Scotland, UK, August, sequence 2/2. Photographer quote: 'A day of overcast cloud cleared in the la...

Alex Mustard / 2020VISION / Grey seal (Halichoerus grypus) shows its teeth in a playful moment, Lundy Island, Bristol Channel, England, UK, May

Andrew Parkinson / Little owl {Athene noctua} fledged chick returns for a moment to its nest site, evening light, Derbyshire, UK

Valeriy Maleev / Przewalski horse's (Equus ferus przewalski) affectionate moment, Khustain Nuruu National Park, Mongolia. June.

Ashley Cooper / Sunrise over Lake Windermere in Ambleside, Lake District, UK, with a man paddling a Canadian Canoe. December 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Andy Rouse / Bengal tiger (Panthera tigris) female 'T19 Krishna' having an affectionate moment with her juvenile cubs in water. Ranthambhore, India. Medium repro only

Andy Rouse / Bengal tiger (Panthera tigris) female 'T19 Krishna' having an affectionate moment with her juvenile cubs in water. Ranthambhore, India. Medium repro only

Andy Rouse / Bengal tiger (Panthera tigris) female 'T19 Krishna' having an affectionate moment with her juvenile cubs in water. Ranthambhore, India. Medium repro only

Jussi Murtosaari / Common redpoll (Acanthis flammea), flock in flight, at moment of closing wings, Finland, January.

Ann & Steve Toon / Yellow mongoose (Cynictis penicillata) affectionate moment with young pup, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Alex Hyde / Mating Four-spot orb weaver spiders (Araneus quadratus), showing the brief moment when the smaller male inserts his pedipalps to transfer sperm, Peak District National Park, Derbyshire, UK. October.

Aflo / Japanese tree frog (Hyla japonica) climbing weeping willow tree out of water. Kyoto, Honshu, Japan. June.

Espen Bergersen / Male King Eider (Somateria spectabilis) diving. Batsfjord, Norway, March.

David Tipling / Goosander (Mergus merganser) male diving, Lake Geneva, Switzerland, March.

Will Burrard-Lucas / Ethiopian Wolf (Canis simensis) family with tender moment between mother and pup, Bale Mountains National Park, Ethiopia.

Diane McAllister / A Japanese Macaque (Macaca fuscata) baby looks up for a moment while nursing from its mother, in Jigokudani, Japan, February

Diane McAllister / Japanese Macaque (Macaca fuscata) baby enjoying a relaxing moment in the hot spring in Jigokudani, Japan. January

Diane McAllister / Japanese Macaque (Macaca fuscata) mother and baby doze off together for a moment in Jigokudani, Japan. February

LYNN M. STONE / Eastern Brown Pelican (Pelecanus occidentalis carolinensis) in breeding plumage, diving for fish prey; note the closed nictating membrane over eye at the moment of impact. Indian Rocks Beach, Florida,...

David Tipling / 2020VISION / Young girl playing on edge of woodland, Norfolk, January 2012 Model released

Bryan and Cherry Alexander / Moment of excitement while ski sailing in a good wind at Patriot Hills. Antarctica, January 2006.

Andrew Parkinson / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} an adult female shares a tender moment with her infant. Bandhavgarh National Park, Madhya Pradesh, India.

Jane Burton / Domestic Cat {Felis catus} kitten stalking an insect in the long grass. Note - at the moment of pouncing the kittens pupils dilate

Jane Burton / Light Sussex hen chick {Gallus gallus domesticus} birth sequence 2/8. At the moment of hatching the chick's struggles roll it onto its back.

Kim Taylor / Cockchafer Beetle (Melolontha melolontha) male taking off, UK. Captive.

Gerry Ellis / African Elephant (Loxodonta africana) keeper, Julius, shares a tender moment with Kinna, a young orphan, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Robin Chittenden / Common crossbill (Loxia curvirostra) drinking, with wasp flying towards it, Norfolk, UK, April.

Tony Wu / Two Siberian flying squirrel (Pteromys volans orii), just emerged from nest, taking moment prior to foraging. Hokkaido, Japan. February.

Tim Laman / Wahnes's Parotia (Parotia wahnesi) adult male performs ballerina display. This is the moment of flashing the breast shield upward, Papua New Guinea. NB REPRODUCTION SIZE RESTRICTION - screen grab fro...

Tim Laman / Wahnes's Parotia (Parotia wahnesi) male performs ballerina display. This is the moment of flashing the breast shield upward. Papua New Guinea

Theo Bosboom / Eruption of Geldingadalur Volcano in Iceland, seen through heat haze (NB: soft focus). The fissure opened about 700 meters from the original site of the eruption. The area was quickly evacuated by the...

Edwin Giesbers / GaiaZOO European Hamster (Cricetus cricetus) Breeding Program: enclosure setup to determine if the hamsters are ready to mate. This is necessary because the wild population cannot survive on its own a...

Edwin Giesbers / GaiaZOO European Hamster (Cricetus cricetus) Breeding Program: enclosure setup to determine if the hamsters are ready to mate. This is necessary because the wild population cannot survive on its own a...

Edwin Giesbers / Keepers checking on European hamsters (Cricetus cricetus) in enclosures at the extended breeding program at GaiaZOO. This is necessary because the wild population cannot survive on its own at the mome...

Edwin Giesbers / European hamsters (Cricetus cricetus) interacting through fenced enclosure setup to determine if the hamsters are ready to mate, part of a breeding program. This is necessary because the wild populati...

Markus Varesvuo / Black Woodpecker male (Dryocopus martius) flying, photo taken at moment when wings are close to body, Finland, January.