Joel Sartore / Photo Ark / White-spotted hermit crab (Dardanus megistos) emerging from its shell before walking out of frame, Riverbanks Zoo. Captive.
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Joel Sartore / Photo Ark / European common cuttlefish (Sepia officinalis) changing colour whilst holding its tentacles up, Riverbanks Zoo. Captive.
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Lukas Schaefer / Aerial tracking shot of a mountain landscape with a storm brewing in the distance, Gsiesertal, South Tyrol, Italy, June.
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Lukas Schaefer / Aerial tracking shot of frozen tree canopy during a snowstorm, Zabljak, Montenegro, February.
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Lukas Schaefer / Aerial tracking shot of frozen trees during a snowstorm, Zabljak, Montenegro, February.
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Lukas Schaefer / Aerial tracking shot of sandstone landscape eroded by weathering, Cappadocia, Turkey, February.
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Lukas Schaefer / Aerial tracking shot of the Dolomite Mountains above the clouds at Sunrise, Lagazuoi, Cortina D'ampezzo, Italy, April.
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Lukas Schaefer / Aerial tracking shot of a sun beam breaking through the clouds on a mountain landscape, Gsiesertal, South Tyrol, Italy, June.
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Lukas Schaefer / Aerial tracking shot of a glacial tongue showing crevasses in the ice, Passo dello Stelvio, Gruppo Ortles, Val Venosta, Italy, October.
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Lukas Schaefer / Aerial tracking shot of the Dolomite Mountains in winter, Misurina, Italy, December.
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Vishal Jadhav / Smooth-coated otters (Lutrogale perspicillata) entering the river before a group of feral dogs come charging at the otters, trying to attack, Maharashtra, India, May.
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Laurie Hedges / Bison (Bison bison) bull kicking up dust, urinating and then rolling on the ground for scent, Montana, USA, August.
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Laurie Hedges / Elk (Cervus canadensis) trapped in fencing, trying to pull its antlers out of the wire, Montana, USA, August.
Laurie Hedges / Aerial tracking shot of an illegal cattle farm within reserve borders, Maya Biosphere Reserve, Guatemala, April, 2022.
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Laurie Hedges / Aerial tracking shot of an illegal cattle farm within reserve borders, Maya Biosphere Reserve, Guatemala, April, 2022.
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Tony Wu / Female limpet (Lottia emydia) spawning, releasing a stream of eggs into the water. Hokkaido, Japan.
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Neil Challis / Long-tailed macaque (Macaca fascicularis) playing on mangrove roots, Southern Thailand, March.
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Neil Challis / Long-tailed macaque (Macaca fascicularis) swimming across creek, running up mud bank, Southern Thailand, January.
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Neil Challis / Crimson-tailed marsh skimmer dragonfly (Orthetrum pruinosum) eating a bee on perch, Central Thailand, September.
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Neil Challis / Long-tailed macaque (Macaca fascicularis) male and small puppy facing up to each other, Central Thailand, July.
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Neil Challis / Young Long-tailed macaque (Macaca fascicularis) sitting and biting its own toes, Central Thailand, June.
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Neil Challis / Long-tailed macaque (Macaca fascicularis) mother grooming leg of infant on branch, Central Thailand, June.
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Neil Challis / Long-tailed macaque (Macaca fascicularis) mother grooming head of infant on branch, Central Thailand, June.
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Neil Challis / Close up of Long-tailed macaque (Macaca fascicularis) male sleeping in a tree, Central Thailand, June.
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Neil Challis / Mudskipper (Periophthalmus) displaying with pectoral fin at the entrance to its hole, Southern Thailand, March.
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Steven Kazlowski / Polar bear (Ursus maritimus) small cubs walking on pack ice, off 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October.
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Steven Kazlowski / Polar bear (Ursus maritimus) sow with cub resting on newly formed pack ice, off 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October.
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Steven Kazlowski / Polar bear (Ursus maritimus) sow with cubs travelling along barrier island, off 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. September.
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Steven Kazlowski / Polar bear (Ursus maritimus) cub walking across snow covered pack ice, off 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October.
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Steven Kazlowski / Polar bear (Ursus maritimus) sow with cubs walking along coast during fall freeze up, off 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October.
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Steven Kazlowski / Polar bear (Ursus maritimus) sow with cub walking across newly formed pack ice, off 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October.
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Steven Kazlowski / Polar bear (Ursus maritimus) cub walking across newly formed pack ice, off 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October.
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Steven Kazlowski / Adult Polar bear (Ursus maritimus) taking refuge and resting in icy eroding permafrost while waiting for fall freeze up, 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October 201...
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Steven Kazlowski / Adult Polar bear (Ursus maritimus) silhouetted at sunrise along barrier island, off 1002 coastal plain of Arctic National Wildlife Refuge, Barter Island, Alaska, USA. October.
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Steven Kazlowski / Polar bear (Ursus maritimus) cubs standing and playing with one another, 1002 coastal plain of Arctic National Wildlife Refuge, Alaska, USA. October.
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Steven Kazlowski / Adult Polar bear (Ursus maritimus) walking along barrier island with ice rainbow in distance, off 1002 coastal plain of Arctic National Wildlife Refuge, Barter Island, Alaska, USA.Cropped. August.
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Steven Kazlowski / Curious adult Polar bear (Ursus maritimus) investigating camera along barrier island, off 1002 coastal plain of Arctic National Wildlife Refuge, Barter Island, Alaska, USA. August.
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David Weiller / Slug moth caterpillar (Acharia nesea) walking beside two Ichneumon wasp (Ichneumonidae spp.) cocoons with the remains of two parasitised caterpillars on a palm leaf, Golfito, Costa Rica, March.
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Tony Wu / Female Siberian flying squirrel (Pteromys volans orii) feasting on branch cut from nearby Sakhalin fir tree (Abies sachalinensis). Hokkaido, Japan. February.
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Tony Wu / Siberian flying squirrel (Pteromys volans orii), usually nocturnal, gliding through forest. Diurnal activity like this is not common, probably adaptation to presence of pair of Ural owls. Hokkaido, Ja...
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Tony Wu / Siberian flying squirrel (Pteromys volans orii) carrying sticks of Japanese elm (Ulmus davidiana var. japonica) back to nest; enjoying eating one before entering nest. Hokkaido, Japan. February.
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Matthew Maran / Red fox (Vulpes vulpes) walking through Highgate Cemetery Mausoleum at night, London, UK. August.
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Simon Littlejohn / Eurasian griffon vulture (Gyps fulvus) regurgitating food, before the chick falls onto its back, parent tries to help, Casares, Andalusia, Spain, March.
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Simon Littlejohn / Eurasian griffon vulture (Gyps fulvus) in nest with a one-week-old chick nestled under its breast plumage moving round, Casares, Andalusia, Spain, March.
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Neil Challis / Little grebe (Tachybaptus ruficollis) chasing a small fish jumping out of the water, before finally catching then eating it, Western Thailand.
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Neil Challis / Weaver ant (Oecophylla sp.) workers using their mandibles to pull two leaves together as part of their nest building process, Western Thailand.
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Neil Challis / Weaver ants (Oecophylla sp.) attacking and pulling the legs of a Formicine ant (Polyrhachis proxima) on the forest floor, Western Thailand.
