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.
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.
01733354
Jussi Murtosaari / Fieldfare (Turdus pilaris) perched in Rowan (Sorbus sp.) tree, feeding on berries, Finland. October.
01733353
Jussi Murtosaari / Blue-cheeked bee-eater (Merops persicus) perched on branch, Finland. June.
01733323
Mark Carwardine / European swallow (Hirundo rustica) flying low over water to drink, Hungary. June.
01733320
Marie Read / Varied thrush (Ixoreus naevius) male, perched on branch, singing in spring, Eagle River, Alaska, USA. May.
01733319
Marie Read / Snow buntings (Plectrophenax nivalis) large flock taking flight in winter, Vermont, USA. January.
01733318
Marie Read / Two Pigeon guillemots (Cepphus columba) in flight over rippling water, Haida Gwaii, British Columbia, Canada. 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.
01733311
Pal Hermansen / Melodius blackbird (Dives dives) attempting to catch a butterfly which is flying behind a plexiglass window, Costa Rica.
01733302
Richard Flack / Böhm's bee-eater (Merops boehmi) perched on thin branch of wild Mango (Mangifera sp.) tree in riparian woodland, Thangadzi River Conservancy, Southern Malawi.
01733296
Roger Powell / Red-throated diver (Gavia stellata) male, running over the water at speed and taking flight, Kongsfjordfjellet, Finnmark, Norway. June.
01733295
Roger Powell / 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.
01733293
Roger Powell / Four Greylag geese (Anser anser) flying low over lake, East Chevington Reserve, Druridge Bay, Northumberland, UK. November.
01733292
Roger Powell / Bearded vulture (Gypaetus barbatus) juvenile, landing among a group of Griffon vultures (Gyps fulvus) at feeding site with a wooded hillside behind, 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.
01733290
Roger Powell / Two Bearded vultures (Gypaetus barbatus) fighting over food, one with wings spread in threatening posture, Lamiana, Aragon, Spanish Pyrenees, Spain. April.
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.
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...
01733085
Staffan Widstrand / RF - Atlantic puffin (Fratercula arctica) portrait, Hornoya bird cliff Island, Vardoe, Varanger Peninsula, Finnmark, Norway. June. (This image may be licensed either as rights managed or royalty free....
01732439
Terry Whittaker / Atlantic puffin (Fratercula arctica), Grimsey Island, Iceland, June.
01729629
Joel Sartore / Photo Ark / Sulawesi white-collared kingfisher (Todiramphus chloris) defecating, San Diego Zoo. 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.
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.
01729625
Joel Sartore / Photo Ark / Great argus (Argusianus argus) male walking around, in and out of the frame, Pheasant Heaven. Captive.
01729624
Joel Sartore / Photo Ark / Delacour's crested fireback (Lophura ignita macartneyi) male looking around, Pheasant Heaven. Captive.
01729623
Joel Sartore / Photo Ark / Victoria crowned pigeon (Goura victoria) looking around with its crest raised, Pheasant Heaven. Captive.
01729622
Joel Sartore / Photo Ark / Western burrowing owl (Athene cunicularia hypugaea) walking into and across the frame. The animal looks around and then walks back out of the frame. Raptor Conservation Alliance, Elmwood, Nebraska, US...
01729620
Joel Sartore / Photo Ark / Red bird-of-paradise (Paradisaea rubra) male looking around and vocalising, Walsrode Bird Park. Captive.
01729619
Joel Sartore / Photo Ark / Magnificent bird-of-paradise (Cicinnurus magnificus) looking around and vocalising, Private collection, Heilbronn. Captive.
01729618
Joel Sartore / Photo Ark / King bird-of-paradise (Cicinnurus regius) male curiously looking at the camera and then vocalising. Walsrode Bird Park. Captive.
01729617
Joel Sartore / Photo Ark / Indochinese green magpie (Cissa hypoleuca) female looking around. The animal performs bubbling with throat. Los Angeles Zoo & Botanical Gardens. Captive.
01729616
Joel Sartore / Photo Ark / Eastern red-tailed hawk (Buteo jamaicensis borealis) looking around and vocalising, Raptor Conservation Alliance in Elmwood, Nebraska, USA. Controlled conditions.
01729615
Joel Sartore / Photo Ark / Indochinese green magpie (Cissa hypoleuca) female looking around, Los Angeles Zoo & Botanical Gardens. Captive.
01729614
Joel Sartore / Photo Ark / Sooty falcon (Falco concolor) looking round. Then the animal ruffles its feathers and preens itself. Private collection, Dubai. Captive.
01729613
Joel Sartore / Photo Ark / Shaheen peregrine falcon (Falco peregrinus peregrinator) looking around and vocalising, private collection, Dubai. Captive.
01729612
Joel Sartore / Photo Ark / Red-capped peregrine falcon (Falco peregrinus babylonicus) looking around and vocalising, private collection, Dubai. Captive.
01729611
Joel Sartore / Photo Ark / Eastern red-tailed hawk (Buteo jamaicensis borealis) looking around. This individual is leucistic. Raptor Conservation Alliance, Elmwood, Nebraska. Controlled conditions.
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...
01729609
Joel Sartore / Photo Ark / Northern bald ibis (Geronticus eremita) looking around, Houston Zoo. Captive. Endangered.
01729608
Joel Sartore / Photo Ark / Red-fan parrot (Deroptyus accipitrinus) displaying and curiouly looking at the camera, Houston Zoo. Captive.
01729606
Joel Sartore / Photo Ark / Wattled lapwing (Vanellus senegallus) looking around. The animal raises and ruffles its feathers. Walsrode Bird Park. Captive.
01729605
Joel Sartore / Photo Ark / Northern rockhopper penguin (Eudyptes moseleyi) appearing from the bottom of the frame and then looking around, Calgary Zoo. Captive. Endangered.
01729320
Paul Harcourt Davies / Woodlark (Lullula arborea) eggs in nest, Campo Imperatore, Abruzzo, Italy. June.
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.)
Staffan Widstrand / Shag (Phalacrocorax aristotelis) head portrait, Hornoya bird cliff island, Varanger Peninsula, Finnmark, Norway. June.
01733093
Staffan Widstrand / Atlantic guillemot (Uria aalge) pair, in courtship display, with colony in background, 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.)
01733091
Staffan Widstrand / RF - Atlantic puffin (Fratercula arctica) in flight, Hornoya bird cliff Island, Vardoe, 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.)
01729118
Paul Harcourt Davies / View of the ancient city of Orvieto surrounded by orchards and Cherry (Prunus avium) trees growing along path, viewed in spring from the north side, Orvieto, Umbria, Italy. March, 2017.
01729112
Paul Harcourt Davies / Peacock (Pavo sp.) feather, close up showing iridescence, 10x magnification.
01733230
Tim Laman / King penguins (Aptenodytes patagonicus) swimming underwater, Macquarie Island, Subantarctic Island of Australia, 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.
01733225
Sven Zacek / Great grey owl (Strix nebulosa) perched on branch at dusk, Southern Estonia.
01733224
Sven Zacek / Great grey owl (strix nebulosa) perched on Birch (Betula pendula) branch defecating, Southern Estonia.
01733223
Russell Laman / Emperor penguin (Aptenodytes forsteri) leaping from the sea onto ice, Cape Colbeck, Ross Sea, Antarctica.
01733222
Russell Laman / Southern royal albatross (Diomedea epomophora) in flight over the ocean with the rising full moon in the sky above, Campbell Island, New Zealand Sub Antarctic Islands.
01733217
Lorraine Bennery / Three Malagasy sacred ibis (Threskiornis bernieri) perched in tree in mangroves, Betsiboka river, Majunga area, Madagascar. Endangered.
01733215
Konrad Wothe / Dipper (Cinclus cinclus) flying through waterfall, Bavaria, Germany. May.
01733197
Guy Edwardes / Hooded crow (Corvus cornix) mobbing a Griffon vulture (Gyps fulvus) perched on branch, Eastern Rhodope Mountains, Bulgaria. January.
01733196
Guy Edwardes / Dalmatian pelicans (Pelecanus crispus) flock, squabbling over food on lake, Lake Kerkini, Greece. January.
01733187
Espen Bergersen / Four Herring gulls (Larus argentatus) in flight, one with remains of a Herring in its beak, being chased by the other three, Skjervoy, Troms, Norway, Norwegian Sea. October
01733186
Espen Bergersen / Fieldfare (Turdus pilaris) perched in Rowan (Sorbus aucuparia) tree, feeding on berries, Troms, Norway. October.
01733185
Espen Bergersen / Common starling (Sturnus vulgaris) perched in Rowan (Sorbus aucuparia) tree, feeding on berries, Troms, Norway. October. Cropped