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Two Brown bear (Ursus arctos) males, fighting, Finland. August.
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Jussi Murtosaari / Two Brown bear (Ursus arctos) males, fighting, Finland. August.
Two Broad-bordered bee hawkmoths (Hemaris fuciformis) nectaring on wildflower, Finland. July.
01733352
Jussi Murtosaari / Two Broad-bordered bee hawkmoths (Hemaris fuciformis) nectaring on wildflower, Finland. July.
Two Pigeon guillemots (Cepphus columba) in flight over rippling water, Haida Gwaii, British Columbia, Canada. May.
01733318
Marie Read / Two Pigeon guillemots (Cepphus columba) in flight over rippling water, Haida Gwaii, British Columbia, Canada. May.
Pacific loons (Gavia pacifica) pair in breeding plumage, on water, Anchorage, Alaska, USA. May.
01733317
Marie Read / Pacific loons (Gavia pacifica) pair in breeding plumage, on water, Anchorage, Alaska, USA. May.
Musk ox (Ovibos moschatus) pair mating, Dovrefjell-Sunndalsfjella National Park, Norway. September.
01733308
Pal Hermansen / Musk ox (Ovibos moschatus) pair mating, Dovrefjell-Sunndalsfjella National Park, Norway. September.
Yelllow dung fly (Scathophaga stercoraria) pair, mating on sheep dung, Lofoten, Norway. June.
01733305
Pal Hermansen / Yelllow dung fly (Scathophaga stercoraria) pair, mating on sheep dung, Lofoten, Norway. June.
Tank blocks from World War 2, along the shoreline on beach at sunset, Alnmouth beach, Northumberland, UK. October 2023.
01733300
Ross Hoddinott / Tank blocks from World War 2, along the shoreline on beach at sunset, Alnmouth beach, Northumberland, UK. October 2023.
Two Ruffs (Calidris pugnax) male, fighting at the lek, Pokka, Finland, Lapland. May.
01733295
Roger Powell / Two Ruffs (Calidris pugnax) male, fighting at the lek, Pokka, Finland, Lapland. May.
Two Ruffs (Calidris pugnax) male, fighting at the lek, Pokka, Finland, Lapland. May.
01733294
Roger Powell / Two Ruffs (Calidris pugnax) male, fighting at the lek, Pokka, Finland, Lapland. May.
Two Bearded vultures (Gypaetus barbatus) in courtship display over a hillside, immature male trying to talon grapple with a mature female, Lamiana, Aragon, Spanish Pyrenees, Spain. April.
01733291
Roger Powell / Two Bearded vultures (Gypaetus barbatus) in courtship display over a hillside, immature male trying to talon grapple with a mature female, Lamiana, Aragon, Spanish Pyrenees, Spain. April.
Two Bearded vultures (Gypaetus barbatus) fighting over food, one with wings spread in threatening posture, Lamiana, Aragon, Spanish Pyrenees, Spain. April.
01733290
Roger Powell / Two Bearded vultures (Gypaetus barbatus) fighting over food, one with wings spread in threatening posture, Lamiana, Aragon, Spanish Pyrenees, Spain. April.
Common blue damselflies (Enallagma cyathigerum) pair, in flight over bog pool, Nigula Nature Protection Area, Parnumaa county, Estonia.
01733287
Sven Zacek / Common blue damselflies (Enallagma cyathigerum) pair, in flight over bog pool, Nigula Nature Protection Area, Parnumaa county, Estonia.
RF - Two Ruffs (Philomachus pugnax) male, fighting at lek site, Varanger Peninsula, Finnmark, Norway. June. (This image may be licensed either as rights managed or royalty free.)
01733087
Staffan Widstrand / RF - Two Ruffs (Philomachus pugnax) male, fighting at lek site, Varanger Peninsula, Finnmark, Norway. June. (This image may be licensed either as rights managed or royalty free.)
Southern festoon butterflies (Zerynthia polyxena), newly emerged adults resting on their foodplant, Birthwort (Aristolochia clematitis), near Bratsigovo, Bulgaria, May.
01732175
Guy Edwardes / Southern festoon butterflies (Zerynthia polyxena), newly emerged adults resting on their foodplant, Birthwort (Aristolochia clematitis), near Bratsigovo, Bulgaria, May.
Apollo butterflies (Parnassius apollo) roosting, Rhodope Mountains, Bulgaria, June.
01732173
Guy Edwardes / Apollo butterflies (Parnassius apollo) roosting, Rhodope Mountains, Bulgaria, June.
Black-veined white butterflies (Aporia crataegi) roosting on Burnt orchid (Orchis ustulata), Rhodope Mountains, Bulgaria, June.
01732172
Guy Edwardes / Black-veined white butterflies (Aporia crataegi) roosting on Burnt orchid (Orchis ustulata), Rhodope Mountains, Bulgaria, June.
Okapi (Okapia johnstoni) juvenile male, two months old, flicking a fly off its face with its tongue. Leucistic individual, named 'Mzimu' (meaning ghost in Swahili), Al Bustan Zoological Centre, Sharja...
01729642
Joel Sartore / Photo Ark / Okapi (Okapia johnstoni) juvenile male, two months old, flicking a fly off its face with its tongue. Leucistic individual, named 'Mzimu' (meaning ghost in Swahili), Al Bustan Zoological Centre, Sharja...
Okapi (Okapia johnstoni) juvenile male, two months old, standing and looking around. Leucistic individual, named 'Mzimu' (meaning ghost in Swahili), Al Bustan Zoological Centre, Sharjah. Captive. Enda...
01729641
Joel Sartore / Photo Ark / Okapi (Okapia johnstoni) juvenile male, two months old, standing and looking around. Leucistic individual, named 'Mzimu' (meaning ghost in Swahili), Al Bustan Zoological Centre, Sharjah. Captive. Enda...
Spanish dancer nudibranch (Hexabranchus sanguineus) with an Emperor shrimp (Zenopontonia rex) moving on top of it, Farglory Ocean Park, Hualien. Captive.
01729636
Joel Sartore / Photo Ark / Spanish dancer nudibranch (Hexabranchus sanguineus) with an Emperor shrimp (Zenopontonia rex) moving on top of it, Farglory Ocean Park, Hualien. Captive.
Two Macqueen's bustard (Chlamydotis macqueenii) chicks, four days old. One chick pecks the other and then walks forward. National Avian Research Center, Abu Dhabi. Captive.
01729628
Joel Sartore / Photo Ark / Two Macqueen's bustard (Chlamydotis macqueenii) chicks, four days old. One chick pecks the other and then walks forward. National Avian Research Center, Abu Dhabi. Captive.
Common blue butterflies (Polyommatus icarus) pair mating on flower, male on the right, Umbria, Italy. May.
01729140
Paul Harcourt Davies / Common blue butterflies (Polyommatus icarus) pair mating on flower, male on the right, Umbria, Italy. May.
Two Ruff (Philomachus pugnax) males, fighting at lek site, Varanger Peninsula, Finnmark, Norway. June.
01733108
Staffan Widstrand / Two Ruff (Philomachus pugnax) males, fighting at lek site, Varanger Peninsula, Finnmark, Norway. June.
Three Ruff (Philomachus pugnax) males displaying on lek, with two females walking by, Varanger Peninsula, Finnmark, Norway. June.
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Staffan Widstrand / Three Ruff (Philomachus pugnax) males displaying on lek, with two females walking by, Varanger Peninsula, Finnmark, Norway. June.
Two Ruff (Philomachus pugnax) males, fighting at lek site with females in background, Varanger Peninsula, Finnmark, Norway. June.
01733099
Staffan Widstrand / Two Ruff (Philomachus pugnax) males, fighting at lek site with females in background, Varanger Peninsula, Finnmark, Norway. June.
Two Ruff (Philomachus pugnax) males, displaying at lek site, Varanger Peninsula, Finnmark, Norway. June.
01733096
Staffan Widstrand / Two Ruff (Philomachus pugnax) males, displaying at lek site, Varanger Peninsula, Finnmark, Norway. June.
Forester moths (Adscita statices) pair mating, Sibillini, Umbria, Italy. May.
01729100
Paul Harcourt Davies / Forester moths (Adscita statices) pair mating, Sibillini, Umbria, Italy. May.
Mummified Pea aphid (Acyrthosiphon pisum) parasitised by a Parasitoid wasp (Aphidius ervi) next to a healthy adult aphid on leaf, England, UK.
01727823
Nigel Cattlin / Mummified Pea aphid (Acyrthosiphon pisum) parasitised by a Parasitoid wasp (Aphidius ervi) next to a healthy adult aphid on leaf, England, UK.
Two Parasitoid wasps (Diglyphus isaea) with a Leafminer larva in a leaf gallery, adult wasps used for biological pest control, England, UK.
01727814
Nigel Cattlin / Two Parasitoid wasps (Diglyphus isaea) with a Leafminer larva in a leaf gallery, adult wasps used for biological pest control, England, UK.
Two Parasitoid wasps (Diglyphus isaea) with a Leafminer larva in a leaf gallery, adult wasps used for biological pest control, England, UK.
01727813
Nigel Cattlin / Two Parasitoid wasps (Diglyphus isaea) with a Leafminer larva in a leaf gallery, adult wasps used for biological pest control, England, UK.
Potato aphids (Macrosiphum euphorbiae) one (black), parasitised by parasitoid wasp (Aphelinus abdominalis) alongside two healthy aphids, England, UK.
01727799
Nigel Cattlin / Potato aphids (Macrosiphum euphorbiae) one (black), parasitised by parasitoid wasp (Aphelinus abdominalis) alongside two healthy aphids, England, UK.
Two Parasitic wasps (Dacnusa sibirica) female, on a leaf,  used for commercial pest control of Leafminers in protected crops, England, UK.
01727795
Nigel Cattlin / Two Parasitic wasps (Dacnusa sibirica) female, on a leaf, used for commercial pest control of Leafminers in protected crops, England, UK.
Sea trout (Salmo trutta) pair courting, in preparation to spawning. The male quivers near the female and then she uses her tail fin to dig a shallow depression (a redd). Perthshire, UK, November.
01728799
Jack Perks / Sea trout (Salmo trutta) pair courting, in preparation to spawning. The male quivers near the female and then she uses her tail fin to dig a shallow depression (a redd). Perthshire, UK, November.
Mirror carp (Cyprinus carpio) swimming into frame and past the camera. The animal disappears into the murky water. Shropshire, UK.
01728792
Jack Perks / Mirror carp (Cyprinus carpio) swimming into frame and past the camera. The animal disappears into the murky water. Shropshire, UK.
Two Gobies (Gobiidae) resting on a Sea fan (Gorgonia sp.),   Raja Ampat Marine Park, Raja Ampat Islands, West Papua, Indonesia.
01733233
Tim Laman / Two Gobies (Gobiidae) resting on a Sea fan (Gorgonia sp.), Raja Ampat Marine Park, Raja Ampat Islands, West Papua, Indonesia.
Two Red fox (Vulpes vulpes) juveniles, sitting in dewy meadow at sunrise, Valgamaa county, Southern Estonia.
01733228
Sven Zacek / Two Red fox (Vulpes vulpes) juveniles, sitting in dewy meadow at sunrise, Valgamaa county, Southern Estonia.
Two Moose (Alces alces) juveniles, standing at edge of forest, looking back, Tartumaa county, Southern Estonia.
01733227
Sven Zacek / Two Moose (Alces alces) juveniles, standing at edge of forest, looking back, Tartumaa county, Southern Estonia.
Green turtle (Chelonia mydas) juvenile, swimming in open ocean, with two Pilot fish (Naucrates ductor) and a Remora (Echeneidae) swimming alongside, Eastern Pacific Ocean. Endangered.
01733198
Henley Spiers / Green turtle (Chelonia mydas) juvenile, swimming in open ocean, with two Pilot fish (Naucrates ductor) and a Remora (Echeneidae) swimming alongside, Eastern Pacific Ocean. Endangered.
Kheper dung beetles (Kheper sp.) rolling a big ball of dung in search of a suitable place to bury it and lay eggs inside, South Africa.
01733191
Emanuele Biggi / Kheper dung beetles (Kheper sp.) rolling a big ball of dung in search of a suitable place to bury it and lay eggs inside, South Africa.
Two Orcas (Orcinus Orca) swimming at sea surface with mountains in background, Skjervoy, Troms, Norway, Norwegian Sea. October.
01733188
Espen Bergersen / Two Orcas (Orcinus Orca) swimming at sea surface with mountains in background, Skjervoy, Troms, Norway, Norwegian Sea. October.
Ruff (Philomachus pugnax) male, watching its Mosquito (Culicidae) prey, Troms, Norway. June. Cropped
01733171
Espen Bergersen / Ruff (Philomachus pugnax) male, watching its Mosquito (Culicidae) prey, Troms, Norway. June. Cropped
European stonechat (Saxicola rubicola) male and juvenile perched on a tree stump, the juvenile begging for food, Dumfries and Galloway, Scotland, UK. May.
01733168
Danny Green / European stonechat (Saxicola rubicola) male and juvenile perched on a tree stump, the juvenile begging for food, Dumfries and Galloway, Scotland, UK. May.
Northern gannets (Morus) pair, with nesting material in beak, head portrait, Great Saltee Island, Republic of Ireland. May.
01733164
Danny Green / Northern gannets (Morus) pair, with nesting material in beak, head portrait, Great Saltee Island, Republic of Ireland. May.
Bengal tiger (Panthera tigris tigris) female juvenile, displaying aggressive behaviour towards its father, Bandhavgarh National Park, India. Endangered.
01733161
Andrew Parkinson / Bengal tiger (Panthera tigris tigris) female juvenile, displaying aggressive behaviour towards its father, Bandhavgarh National Park, India. Endangered.
Bottlenose dolphins (Tursiops truncatus) surfacing, Abersoch, Gwynedd, Wales, UK, Cardigan Bay, May.
01733147
Graham Eaton / Bottlenose dolphins (Tursiops truncatus) surfacing, Abersoch, Gwynedd, Wales, UK, Cardigan Bay, May.
Two Rabbits (Oryctolagus cuniculus) juveniles, sitting in field close to the warren in evening light, Norfolk, UK. May.
01732887
Andrew Parkinson / Two Rabbits (Oryctolagus cuniculus) juveniles, sitting in field close to the warren in evening light, Norfolk, UK. May.
Two Rabbits (Oryctolagus cuniculus) juveniles, sitting in field close to the warren in evening light, Isle of Lewis, Outer Hebrides, UK.July.
01732886
Andrew Parkinson / Two Rabbits (Oryctolagus cuniculus) juveniles, sitting in field close to the warren in evening light, Isle of Lewis, Outer Hebrides, UK.July.
Two Rabbits (Oryctolagus cuniculus) sub-adults, sitting alert close to the warren, Norfolk, UK. May.
01732885
Andrew Parkinson / Two Rabbits (Oryctolagus cuniculus) sub-adults, sitting alert close to the warren, Norfolk, UK. May.
Rabbit (Oryctolagus cuniculus) juvenile, sitting upright in grassland with adult behind, Norfolk, UK. June.
01732872
Andrew Parkinson / Rabbit (Oryctolagus cuniculus) juvenile, sitting upright in grassland with adult behind, Norfolk, UK. June.
Rabbit (Oryctolagus cuniculus) female, sitting upright, alert, with infant feeding on grass close by, Norfolk, UK. June.
01732871
Andrew Parkinson / Rabbit (Oryctolagus cuniculus) female, sitting upright, alert, with infant feeding on grass close by, Norfolk, UK. June.
Two African bush elephants (Loxodonta africana) juvenile males, sparring, Mara Triangle Conservancy, Masai Mara, Kenya. Endangered.
01732624
Bret Charman / Two African bush elephants (Loxodonta africana) juvenile males, sparring, Mara Triangle Conservancy, Masai Mara, Kenya. Endangered.
Two Red deer (Cervus elephus) stags rutting in thick morning mist on heathland, New Forest, Hampshire, UK. October.
01732605
Bret Charman / Two Red deer (Cervus elephus) stags rutting in thick morning mist on heathland, New Forest, Hampshire, UK. October.
Two Arctic foxes (Vulpes lagopus) 'blue morph', in snow, female attacking male to defend her cubs, Hornstrandir Nature Reserve, Iceland. March.
01732603
Bret Charman / Two Arctic foxes (Vulpes lagopus) 'blue morph', in snow, female attacking male to defend her cubs, Hornstrandir Nature Reserve, Iceland. March.
Crawshay's zebra (Equus quagga crawshayi) mare with foal, standing in area of open riverine forest, South Luangwa National Park, Zambia.
01732588
Bret Charman / Crawshay's zebra (Equus quagga crawshayi) mare with foal, standing in area of open riverine forest, South Luangwa National Park, Zambia.
Two Great grey owl (Strix nebulosa) chicks, perched in nest hole in dead tree, calling, Finland. July.
01732587
Bret Charman / Two Great grey owl (Strix nebulosa) chicks, perched in nest hole in dead tree, calling, Finland. July.
Two Green-bearded helmetcrest (Oxypogon guerinii) fledglings perched on branch, sheltering from strong winds,   Parque Nacional Natural Sumapaz, Colombia.
01732574
Bret Charman / Two Green-bearded helmetcrest (Oxypogon guerinii) fledglings perched on branch, sheltering from strong winds, Parque Nacional Natural Sumapaz, Colombia.
Eastern grey kangaroo (Macropus giganteus) joey standing next to resting female in coastal grasslands, Narawntapu National Park, Tasmania, Australia.
01732571
Bret Charman / Eastern grey kangaroo (Macropus giganteus) joey standing next to resting female in coastal grasslands, Narawntapu National Park, Tasmania, Australia.
Roe deer (Capreolus capreolus) buck following a doe through long grass during the rut, South Downs National Park, Hampshire, UK. August.
01732566
Bret Charman / Roe deer (Capreolus capreolus) buck following a doe through long grass during the rut, South Downs National Park, Hampshire, UK. August.
Two Platypus (Ornithorhynchus anatinus) fighting at surface of small lake, Tasmania, Australia.
01732565
Bret Charman / Two Platypus (Ornithorhynchus anatinus) fighting at surface of small lake, Tasmania, Australia.
Bennett's wallaby (Notamacropus rufogriseus) female, suckling its joey in the rain on a high altitude meadow, Cradle Mountain National Park, Tasmania, Australia.
01732557
Bret Charman / Bennett's wallaby (Notamacropus rufogriseus) female, suckling its joey in the rain on a high altitude meadow, Cradle Mountain National Park, Tasmania, Australia.
Two White-tailed eagles (Haliaeetus albicilla) fighting over food mid-air, Lake Furen, Hokkaido, Japan.
01732526
Bret Charman / Two White-tailed eagles (Haliaeetus albicilla) fighting over food mid-air, Lake Furen, Hokkaido, Japan.
Sulphur-crested cockatoo (Cacatua galerita) pair, allopreening perched in Eucalyptus (Eucalyptus sp.) tree, Botanical Gardens, Sydney, New South Wales, Australia.
01732515
Bret Charman / Sulphur-crested cockatoo (Cacatua galerita) pair, allopreening perched in Eucalyptus (Eucalyptus sp.) tree, Botanical Gardens, Sydney, New South Wales, Australia.
Two MacQueen's bustard (Chlamydotis macqueenii) chicks, aged four days, portrait, National Avian Research Center, UAE. Captive.
01731896
Joel Sartore / Photo Ark / Two MacQueen's bustard (Chlamydotis macqueenii) chicks, aged four days, portrait, National Avian Research Center, UAE. Captive.
Two MacQueen's bustard (Chlamydotis macqueenii) chicks, aged four days, portrait, National Avian Research Center, UAE. Captive.
01731895
Joel Sartore / Photo Ark / Two MacQueen's bustard (Chlamydotis macqueenii) chicks, aged four days, portrait, National Avian Research Center, UAE. Captive.
Two MacQueen's bustard (Chlamydotis macqueenii) chicks, aged four days, portrait, National Avian Research Center, UAE. Captive.
01731894
Joel Sartore / Photo Ark / Two MacQueen's bustard (Chlamydotis macqueenii) chicks, aged four days, portrait, National Avian Research Center, UAE. Captive.
Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
01731893
Joel Sartore / Photo Ark / Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
01731892
Joel Sartore / Photo Ark / Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
Arabian bustards (Ardeotis arabs) pair, male larger than the female, head portrait, National Avian Research Center, UAE. Captive.
01731891
Joel Sartore / Photo Ark / Arabian bustards (Ardeotis arabs) pair, male larger than the female, head portrait, National Avian Research Center, UAE. Captive.
Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
01731890
Joel Sartore / Photo Ark / Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
01731888
Joel Sartore / Photo Ark / Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
01731886
Joel Sartore / Photo Ark / Arabian bustards (Ardeotis arabs) pair, male larger than the female, portrait, National Avian Research Center, UAE. Captive.
Yellow pygmy gobies (Lubricogobius exiguus) pair living inside a discarded toothpaste tube on the seabed, Bitung, North Sulawesi, Indonesia, Lembeh Strait, Molucca Sea.
01727948
Alex Mustard / Yellow pygmy gobies (Lubricogobius exiguus) pair living inside a discarded toothpaste tube on the seabed, Bitung, North Sulawesi, Indonesia, Lembeh Strait, Molucca Sea.
Meerkat (Suricata suricatta) female, suckling her pup, aged 3 weeks, Makgadikgadi Pans, Botswana.
01727570
Suzi Eszterhas / Meerkat (Suricata suricatta) female, suckling her pup, aged 3 weeks, Makgadikgadi Pans, Botswana.
Meerkat (Suricata suricatta) female, suckling her pup, aged 3 weeks, Makgadikgadi Pans, Botswana.
01727573
Suzi Eszterhas / Meerkat (Suricata suricatta) female, suckling her pup, aged 3 weeks, Makgadikgadi Pans, Botswana.
Two Meerkat (Suricata suricatta) pups, aged 2 weeks, at entrance to burrow, Makgadikgadi Pans, Botswana.
01727558
Suzi Eszterhas / Two Meerkat (Suricata suricatta) pups, aged 2 weeks, at entrance to burrow, Makgadikgadi Pans, Botswana.
Koala (Phascolarctos cinereus) female carrying joey, aged 7 months, on her back, being held by veterinary nurse, Currumbin Wildlife Hospital, Queensland, Australia. October, 2015.
01727555
Suzi Eszterhas / Koala (Phascolarctos cinereus) female carrying joey, aged 7 months, on her back, being held by veterinary nurse, Currumbin Wildlife Hospital, Queensland, Australia. October, 2015.
Two Tawny frogmouths (Podargus strigoides) rescued after being hit by a car, being hand fed by wildlife sanctuary director, Bonorong Wildlife Sanctuary, Tasmania, Australia. October, 2015.
01727540
Suzi Eszterhas / Two Tawny frogmouths (Podargus strigoides) rescued after being hit by a car, being hand fed by wildlife sanctuary director, Bonorong Wildlife Sanctuary, Tasmania, Australia. October, 2015.
Two Tawny frogmouths (Podargus strigoides) rescued after being hit by a car, being hand fed by wildlife sanctuary director, Bonorong Wildlife Sanctuary, Tasmania, Australia. October, 2015.
01727539
Suzi Eszterhas / Two Tawny frogmouths (Podargus strigoides) rescued after being hit by a car, being hand fed by wildlife sanctuary director, Bonorong Wildlife Sanctuary, Tasmania, Australia. October, 2015.
Ferruginous ducks (Aythya nyroca) pair, portrait, Sylvan Heights Bird Park. Captive.
01731859
Joel Sartore / Photo Ark / Ferruginous ducks (Aythya nyroca) pair, portrait, Sylvan Heights Bird Park. Captive.
White-breasted cormorant (Phalacrocorax lucidus) pair, head portrait, Audubon Zoo. Captive, occurs in Africa.
01731822
Joel Sartore / Photo Ark / White-breasted cormorant (Phalacrocorax lucidus) pair, head portrait, Audubon Zoo. Captive, occurs in Africa.
Sumatran orangutan (Pongo abelii) infant aged 11 months, and Bornean orangutan (Pongo pygmaeus) infant aged 11 months, hugging, Taman Safari, West Java, Indonesia. Captive. Critically endangered.
01731763
Joel Sartore / Photo Ark / Sumatran orangutan (Pongo abelii) infant aged 11 months, and Bornean orangutan (Pongo pygmaeus) infant aged 11 months, hugging, Taman Safari, West Java, Indonesia. Captive. Critically endangered.
Sumatran orangutan (Pongo abelii) infant aged 11 months, and Bornean orangutan (Pongo pygmaeus) infant aged 11 months, hugging, Taman Safari, West Java, Indonesia. Captive. Critically endangered.
01731762
Joel Sartore / Photo Ark / Sumatran orangutan (Pongo abelii) infant aged 11 months, and Bornean orangutan (Pongo pygmaeus) infant aged 11 months, hugging, Taman Safari, West Java, Indonesia. Captive. Critically endangered.
Sumatran orangutan (Pongo abelii) infant aged 11 months, and Bornean orangutan (Pongo pygmaeus) infant aged 11 months, hugging, Taman Safari, West Java, Indonesia. Captive. Critically endangered.
01731761
Joel Sartore / Photo Ark / Sumatran orangutan (Pongo abelii) infant aged 11 months, and Bornean orangutan (Pongo pygmaeus) infant aged 11 months, hugging, Taman Safari, West Java, Indonesia. Captive. Critically endangered.
Two White-headed brown lemurs (Eulemur albifrons) male and female siblings, female on right, portrait, Naples Zoo. Captive, occurs in Madagascar.
01731714
Joel Sartore / Photo Ark / Two White-headed brown lemurs (Eulemur albifrons) male and female siblings, female on right, portrait, Naples Zoo. Captive, occurs in Madagascar.
Gorgonian gobies (Bryaninops amplus) pair, resting next to their eggs on Wire coral (Cirrhipathes sp.), Hawaii, Pacific Ocean.
01731633
David Fleetham / Gorgonian gobies (Bryaninops amplus) pair, resting next to their eggs on Wire coral (Cirrhipathes sp.), Hawaii, Pacific Ocean.
Arch over main doorway at St Mary & St David Church, with Romanesque carvings featuring a dragon eating its own tail, two fishes and and beaked head, Kilpeck, Herefordshire, England, UK, 2015. Carved...
01732476
Will Watson / Arch over main doorway at St Mary & St David Church, with Romanesque carvings featuring a dragon eating its own tail, two fishes and and beaked head, Kilpeck, Herefordshire, England, UK, 2015. Carved...
Beech trees (Fagus sylvatica) in woodland, Bolderwood Ornamental Drive, New Forest National Park, Hampshire, November.
01732855
Colin Varndell / Beech trees (Fagus sylvatica) in woodland, Bolderwood Ornamental Drive, New Forest National Park, Hampshire, November.
Spotted hyena (Crocuta crocuta) young adult standing and looking around, in early morning light. Another Spotted hyena runs in and through the frame. Okavango Delta, Botswana.
01732211
Neil Aldridge / Spotted hyena (Crocuta crocuta) young adult standing and looking around, in early morning light. Another Spotted hyena runs in and through the frame. Okavango Delta, Botswana.
Two Red lechwe (Kobus leche) females jumping over a small channel in a swamp, before leaving frame. Another Red lechwe is grazing alongside an African sacred ibis (Threskiornis aethiopicus) which is f...
01732220
Neil Aldridge / Two Red lechwe (Kobus leche) females jumping over a small channel in a swamp, before leaving frame. Another Red lechwe is grazing alongside an African sacred ibis (Threskiornis aethiopicus) which is f...
Spotted hyenas (Crocuta crocuta) standing near a kill with their tails raised,  showing excitement. One animal yawns and then both walk off and out of the frame. Okavango Delta, Botswana. Sequence 3/3...
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Neil Aldridge / Spotted hyenas (Crocuta crocuta) standing near a kill with their tails raised, showing excitement. One animal yawns and then both walk off and out of the frame. Okavango Delta, Botswana. Sequence 3/3...
Spotted hyenas (Crocuta crocuta) near a kill with their tails raised,  showing excitement. Both animals are investigating, sniffing the kill. One animal stops, looks up and then walks away. Okavango D...
01732214
Neil Aldridge / Spotted hyenas (Crocuta crocuta) near a kill with their tails raised, showing excitement. Both animals are investigating, sniffing the kill. One animal stops, looks up and then walks away. Okavango D...
Spotted hyenas (Crocuta crocuta) near a kill with their tails raised,  showing excitement. One animal is sniffing the kill and then the other also investigates it. Okavango Delta, Botswana. Sequence 1...
01732213
Neil Aldridge / Spotted hyenas (Crocuta crocuta) near a kill with their tails raised, showing excitement. One animal is sniffing the kill and then the other also investigates it. Okavango Delta, Botswana. Sequence 1...
Black guillemots (Cepphus grylle) swimming in sea, showing winter plumage, Lerwick Harbour, Shetland, Scotland, UK, November. Red reflection on water from boat.
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David Tipling / Black guillemots (Cepphus grylle) swimming in sea, showing winter plumage, Lerwick Harbour, Shetland, Scotland, UK, November. Red reflection on water from boat.
Black guillemots (Cepphus grylle) swimming in sea, showing winter plumage, Lerwick Harbour, Shetland, Scotland, UK, November. Red reflection on water from boat.
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David Tipling / Black guillemots (Cepphus grylle) swimming in sea, showing winter plumage, Lerwick Harbour, Shetland, Scotland, UK, November. Red reflection on water from boat.
Hedgehogs (Erinaceus europaeus) feeding from food bowl on garden patio, Holt, Norfolk, England, UK, July.
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David Tipling / Hedgehogs (Erinaceus europaeus) feeding from food bowl on garden patio, Holt, Norfolk, England, UK, July.
Red-billed chough (Pyrrhocorax pyrrhocorax) pair collecting nesting material beside eroded sandy cliff, Cornwall, UK, April.
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Nick Upton / Red-billed chough (Pyrrhocorax pyrrhocorax) pair collecting nesting material beside eroded sandy cliff, Cornwall, UK, April.
Red-billed chough (Pyrrhocorax pyrrhocorax) pair perching on coastal cliff as one bird calls, Cornwall, UK, April.
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Nick Upton / Red-billed chough (Pyrrhocorax pyrrhocorax) pair perching on coastal cliff as one bird calls, Cornwall, UK, April.