Andres M. Dominguez / Eurasian kingfisher (Alcedo atthis) male, perched on branch over pond with tadpole prey in beak, backlit at dawn, Sierra de Grazalema Natural Park, Cadiz, Spain. October.
01733366
Andres M. Dominguez / Eurasian kingfisher (Alcedo atthis) male, perched on a rock in pool, backlit at dawn, Sierra de Grazalema Natural Park, Cadiz, Spain. October.
01733361
Doug Gimesy / Little pied cormorant (Microcarbo melanoleucos) standing on intertidal rocks, feeding on fish prey, Port Philip Bay, Victoria, Australia.
01733360
Gabriel Rojo / Geoffroy's cat (Leopardus geoffroyi) walking past seaweed covered rocks on beach, Punta Norte Nature Reserve, Peninsula Valdes, Chubut Province, Patagonia, Argentina.
01733359
Gabriel Rojo / Geoffroy's cat (Leopardus geoffroyi) walking along beach with Gulls (Larus sp.) in background, Punta Norte Nature Reserve, Peninsula Valdes, Chubut Province, Patagonia, Argentina.
01733358
George Sanker / Coyote (Canis latrans) hunting in a wetland meadow in summer, Yellowstone National Park, Wyoming, USA. June.
01733354
Jussi Murtosaari / Fieldfare (Turdus pilaris) perched in Rowan (Sorbus sp.) tree, feeding on berries, Finland. October.
01733351
Jussi Murtosaari / Grey wolf (Canis lupus) shaking fur dry after swimming, Finland. August.
01733349
Jussi Murtosaari / Bank vole (Clethrionomys glareolus) standing on hind legs, feeding on Strawberry (Fragaria sp.) leaves, Finland. July.
01733348
Jussi Murtosaari / Lesser purple emperor butterfly (Apatura ilia) male, in flight, Finland. July.
01733347
Jussi Murtosaari / Peacock butterfly (Aglais io) in flight over wildflowers, Finland. May.
01733321
Mark Carwardine / Brown bear (Ursus arctos) female, standing at edge of river, Great Bear Rainforest, British Columbia, Canada. October.
01733320
Marie Read / Varied thrush (Ixoreus naevius) male, perched on branch, singing in spring, Eagle River, Alaska, USA. May.
01733317
Marie Read / Pacific loons (Gavia pacifica) pair in breeding plumage, on water, Anchorage, Alaska, USA. May.
01733316
Marie Read / Northern parula (Parula americana) male in breeding plumage, perched in flowering Eastern redbud (Cercis canadensis) in spring, Ohio, USA. April.
01733314
Oliver Hellowell / Red squirrel (Sciurus vulgaris) sitting upright among heather, in woodland garden, Perthshire, Scotland, UK. September. Cropped.
01733308
Pal Hermansen / Musk ox (Ovibos moschatus) pair mating, Dovrefjell-Sunndalsfjella National Park, Norway. September.
01733296
Roger Powell / Red-throated diver (Gavia stellata) male, running over the water at speed and taking flight, Kongsfjordfjellet, Finnmark, Norway. June.
01733294
Roger Powell / Two Ruffs (Calidris pugnax) male, fighting at the lek, Pokka, Finland, Lapland. May.
01733293
Roger Powell / Four Greylag geese (Anser anser) flying low over lake, East Chevington Reserve, Druridge Bay, Northumberland, UK. November.
01733287
Sven Zacek / Common blue damselflies (Enallagma cyathigerum) pair, in flight over bog pool, Nigula Nature Protection Area, Parnumaa county, Estonia.
01733284
Sven Zacek / Capercaillie (Tetrao urogallus) male, with some tail feathers missing, lekking at sunset, Tartumaa county, Estonia.
01733283
Sven Zacek / Capercaillie (tetrao urogallus) male, lekking perched on top of a Pine tree at dusk, Tartumaa county, Estonia.
01733279
Tui De Roy / Green turtle (Chelonia mydas) swimming with school of Barracuda (Sphyraena sp.) behind, Cousins Rock, near Santiago Island, Galapagos Islands. Endangered.
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.)
01733086
Staffan Widstrand / RF - Atlantic guillemot (Uria aalge) standing on rock spreading its wings at sunset, with colony behind, Hornoya bird cliff Island, Vardoe, Varanger Peninsula, Finnmark, Norway. June. (This image may...
01732171
Guy Edwardes / Silver-studded blue (Plebejus argus), backlit at sunset, Rhodope Mountains, Bulgaria, June
01729653
Joel Sartore / Photo Ark / Blunt-nosed leopard lizard (Gambelia sila) looking around. The animal leaves the frame. Fresno Chaffee Zoo, California. Captive.
01729648
Joel Sartore / Photo Ark / Eastern quoll (Dasyurus viverrinus) lying down and looking at the camera, Zoo Leipzig. Captive. Endangered.
01729645
Joel Sartore / Photo Ark / Marbled cat (Pardofelis marmorata longicaudata) looking towards the camera and lying down. The animal hisses and bares its teeth. Al Bustan Zoological Centre, Sharjah. Captive.
01729644
Joel Sartore / Photo Ark / San Bernardino kangaroo rat (Dipodymys merriami parvus) looking at the camera, then the animal partially leaves frame, San Diego Zoo Safari Park, Escondido, California. Captive. Federally endangered.
01729637
Joel Sartore / Photo Ark / Bigclaw crayfish (Faxonius placidus) female oxygenating eggs by fanning them, upper Duck River, Coffee County, Tennessee, USA. Controlled conditions.
01729627
Joel Sartore / Photo Ark / Great hornbill (Buceros bicornis) looking around, Al Bustan Zoological Centre, Sharjah. Captive.
01729626
Joel Sartore / Photo Ark / Blyth's tragopan (Tragopan blythii) male looking around, San Diego Zoo. Captive.
01729620
Joel Sartore / Photo Ark / Red bird-of-paradise (Paradisaea rubra) male looking around and vocalising, Walsrode Bird Park. Captive.
01729615
Joel Sartore / Photo Ark / Indochinese green magpie (Cissa hypoleuca) female looking around, Los Angeles Zoo & Botanical Gardens. Captive.
01729613
Joel Sartore / Photo Ark / Shaheen peregrine falcon (Falco peregrinus peregrinator) looking around and vocalising, private collection, Dubai. Captive.
01729610
Joel Sartore / Photo Ark / Siberian crane (Leucogeranus leucogeranus) female looking around, then the animal lowers its head and ruffles its feathers. International Crane Foundation, Baraboo, Wisconsin. Controlled condiitons. C...
01729607
Joel Sartore / Photo Ark / Mountain yellow-legged frog (Rana muscosa) looking at the camera, then the animal jumps out of the frame. Oakland Zoo, California. Captive. Endangered.
01733088
Staffan Widstrand / RF - Ruff (Philomachus pugnax) male, displaying at lek site, Varanger Peninsula, Finnmark, Norway. June. (This image may be licensed either as rights managed or royalty free.)
01729174
Paul Harcourt Davies / Elephant hawkmoth (Deilephila elpenor) recently emerged, resting on a leaf, Vieste, Gargano, Puglia, Italy. April.
01729171
Paul Harcourt Davies / Southern festoon butterfly (Zerynthia polyxena cassandra) freshly emerged resting on leaf and drying its wings, Podere Montecucco, Gargano, Puglia, Italy. April.
01729162
Paul Harcourt Davies / Mullein moth (Cucullia verbasci) caterpillar, crawling on plant stem, nr Lago di Varano, Gargano, Puglia, Italy. April.
01729140
Paul Harcourt Davies / Common blue butterflies (Polyommatus icarus) pair mating on flower, male on the right, Umbria, Italy. May.
Staffan Widstrand / Shag (Phalacrocorax aristotelis) head portrait, Hornoya bird cliff island, Varanger Peninsula, Finnmark, Norway. June.
01733092
Staffan Widstrand / RF - Whimbrel (Numenius phaeopus) portrait, Varanger Peninsula, Finnmark, Norway. June. (This image may be licensed either as rights managed or royalty free.)
01733090
Staffan Widstrand / RF - European golden plover (Pluvialis apricaria) portrait, Varanger Peninsula, Finnmark, Norway. June. (This image may be licensed either as rights managed or royalty free.)
01733089
Staffan Widstrand / RF - Red-necked phalarope (Phalaropus lobatus) on water, calling, Varanger Peninsula, Finnmark, Norway. June. (This image may be licensed either as rights managed or royalty free.)
01729111
Paul Harcourt Davies / Plain tiger butterfly (Danaus chrysippus) resting on grass stem at dawn, near Lago di Lesina, Gargano, Puglia, Italy. September.
01729110
Paul Harcourt Davies / Plain tiger butterfly (Danaus chrysippus) resting on seedhead at dusk, Lago di Lesina, Gargano, Puglia, Italy. September.
01729108
Paul Harcourt Davies / Robber fly (Engelepogon brunnipes) resting on leaf with insect prey, Podere Montecucco, Orvieto, Umbria, Italy. August.
01729107
Paul Harcourt Davies / European dwarf mantis (Ameles spallanzania) resting on dried plant stem, nr Allerona, Umbria, Italy. July.
01729101
Paul Harcourt Davies / Black-veined white butterfly (Aporia crataegi) nectaring on Hairy vetch (Vicia villosa) flower, Campo Imperatore, Gran Sasso, Abruzzo, Italy. May.
Nigel Cattlin / Parasitoid wasp (Diglyphus isaea) female, ovipositing in a Leafminer larva, adult wasps used for biological pest control, England, UK.
01727815
Nigel Cattlin / Parasitoid wasp (Diglyphus isaea) female, ovipositing in a Leafminer larva, adult wasps used for biological pest control, England, UK.
01727812
Nigel Cattlin / Parasitoid wasp (Praon myzophagum) female, with ovipositor extended, laying eggs in Aphid (Aphidoidea) pest. Biological control in protected crops, England, UK.
01727811
Nigel Cattlin / Parasitoid wasp (Praon myzophagum) on leaf next to Aphid (Aphidoidea) host, wasp parasite used in biological control in protected crops, England, UK.
01727810
Nigel Cattlin / Parasitoid wasp (Aphidius ervi) female, laying eggs with extended ovipositor in aphid host pest, England, UK.
01727806
Nigel Cattlin / Encyrtid wasp (Leptomastix dactylopii) adult parasitoid wasp, a parasite of Mealybug pests, used in biological control for protected crops, England, UK.
01727794
Nigel Cattlin / Parasitic wasp (Dacnusa sibirica) female ovipositing in a Leafminer larva in a leaf gallery, England, UK.
01727782
Nigel Cattlin / Parasitoid wasp (Cotesia glomerata) pupa cocoons from larvae emerging from a parasitised White butterfly caterpillar (Pieris sp.), England, UK.
01727771
Nigel Cattlin / Parasitoid wasp (Praon spp.) cocoon under parasitised Aphid (Aphidoidea), parasite used for biological pest control in protected crops.
01732836
Phil Savoie / Buff-tailed bumblebee (Bombus terrestris) nectaring on Cucumber (Cucumis sativus) flower, Monmouthshire, Wales, UK.
01732835
Phil Savoie / Red-tailed bumblebee (Bombus lapidarius) nectaring on flower (Allium sp.), Monmouthshire, Wales UK. July.
01732834
Phil Savoie / Red-tailed bumblebee (Bombus lapidarius) nectaring on flower (Allium sp.), Monmouthshire, Wales UK. July. Cropped.
01732832
Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) in flight, approaching Dwarf narcissus (Narcissus canaliculatus) flowers, Monmouthshire, Wales, UK. March.
01732831
Phil Savoie / Buff-tailed bumblebee (Bombus terrestris) nectaring on flower (Dahlia sp.), Monmouthshire, Wales, UK.
01732829
Phil Savoie / Buff-tailed bumblebee (Bombus terrestris) nectaring on flower, Monmouthshire, Wales, UK.
01732828
Phil Savoie / Bee fly (Bombylius major) in flight, approaching Dwarf narcissus (Narcissus canaliculatus) flowers, Monmouthshire Wales, UK. March. Cropped.
01728792
Jack Perks / Mirror carp (Cyprinus carpio) swimming into frame and past the camera. The animal disappears into the murky water. Shropshire, UK.
01728790
Jack Perks / Brown trout (Salmo trutta) pair courting. The male quivers near the female and then she uses her tail fin to dig a shallow depression (a redd). Chalk stream, Cambridgeshire, UK. January.
01728789
Jack Perks / Common bream (Abramis brama) shoal swimming past, in a shallow river. The fish swim off into the background. Hampshire, UK.
01733235
Tony Wu / Elkhorn sculpin (Alcichthys elongatus) male, guarding its brood of bright yellow eggs in a rock crevice, Hokkaido, Japan, Pacific Ocean.
01733226
Sven Zacek / Whooper swan (Cygnus cygnus) standing in flooded river meadow during spring flooding, Alam-Pedja Nature Reserve Tartumaa county, Southern Estonia.
01733223
Russell Laman / Emperor penguin (Aptenodytes forsteri) leaping from the sea onto ice, Cape Colbeck, Ross Sea, Antarctica.
01733217
Lorraine Bennery / Three Malagasy sacred ibis (Threskiornis bernieri) perched in tree in mangroves, Betsiboka river, Majunga area, Madagascar. Endangered.