Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) stretching wings and calling on small ice floe, Svalbard, Norway, July
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Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) on sea surface, Svalbard, Norway July
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) chasing Thick-billed Raven (Corvus crassirostris) in flight. Simien National Park, Ethiopia, Africa.
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Vladimir Medvedev / Nesting colony of Thick-billed Murre / Brunnich's Guillemot (Uria lomvia) on St. Jonah's island, Sea of Okhotsk, Far East Russia, July
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) flying between misty colony cliffs. Spitsbergen, Svalbard, August.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) cliff colony seen through snow. Spitsbergen, Svalbard, July.
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Wild Wonders of Europe / Liodden / Brunnich's guillemots (Uria lomvia) on ice, Spitsbergen, Svalbard, June 2009 WWE BOOK Wild Wonders kids book.
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Rod Williams / Thick billed parrot, native to Mexico. Endangered species
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Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) stretching wings on small ice floe, Svalbard, Norway, July
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Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) mass nesting colony at Bird Rock, Svalbard, Norway, July
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Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) mass nesting colony at Bird Rock, Svalbard, Norway, July
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Staffan Widstrand / Boat and tourists approaching cliffs and breeding colony of Brunnich's Guillemots (Uria lomvia), Svalbard, Norway, July 2011
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Sue Flood / Brunnichs guillemots / thick billed murres (Uria lomvia)on sea surface, Brat Chirpoy islands, Kurils, Russian Far East, June
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Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) nesting colony on cliffs, Svalbard, Norway July
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Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) nesting colony on cliffs, Svalbard, Norway July
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Staffan Widstrand / Brunnich's Guillemot (Uria lomvia) nesting colony on cliffs, Svalbard, Norway July
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) surrounded by Thick-billed Ravens (Corvus crassirostris). Simien National Park, Ethiopia, Africa.
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) calling at a Thick Billed Raven (Corvus crassirostris) as it lands. Simien National Park, Ethiopia, East Africa.
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Juan Carlos Munoz / Bearded vulture (Gypaetus barbatus) with Thick Billed Ravens (Corvus crassirostris). Simien National Park, Ethiopia, East Africa.
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Peter Cairns / Colony of Brunnich's Guillemots (Uria lomvia) with tourist zodiac boat, Svalbard, Norway, June 2007
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Peter Cairns / Brunnich's Guillemots (Uria lomvia) very close to tourist photographers in inflatable boat, Svalbard, Norway, June 2007
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Peter Cairns / Squadrons of Brunnich's Guillemots (Uria lomvia), flying back to breeding cliffs, Svalbard, Norway, June
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Hiroya Minakuchi / Thick-billed Spiderhunter (Arachnothera crassirostris), Malaysia
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Steve Gettle / Thick-billed Euphonia (Euphonia laniirostris), Ecuador
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Steve Gettle / Thick-billed Euphonia (Euphonia laniirostris), Ecuador
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Hanne & Jens Eriksen / Brunnich's guillemot / Thick billed murre (Uria lomvia) pair at nest, Iceland, June
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Hanne & Jens Eriksen / Brunnich's guillemot / Thick billed murre (Uria lomvia) pair at nest, Iceland, June
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Hanne & Jens Eriksen / Brunnich's guillemot / Thick billed murre (Uria lomvia) breeding colony, one with egg, Iceland, June
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Michael & Patricia Fogden / Thick-billed Euphonia (Euphonia laniirostris) male feeding on Hollowheart (Acnistus arborescens) berries in cloud forest, Tandayapa Valley, western slope of Andes, Ecuador
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Michael & Patricia Fogden / Thick-billed Euphonia (Euphonia laniirostris) female feeding on Hollowheart (Acnistus arborescens) berries in cloud forest, Tandayapa Valley, western slope of Andes, Ecuador
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) on water. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) taking off into flight running along the sea surface. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) taking off into flight running along the sea surface. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) at colony nesting cliff. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) colony on cliffs. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) on bird cliffs, Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Two Brunnich's Guillemot (Uria lomvia) taking off into flight from water. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) resting on water under dark cloudy sky. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemots (Uria lomvia) resting on water under dark cloudy sky. Spitsbergen, Svalbard, July.
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Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) cliff colony, Spitsbergen, Svalbard, July. Commended in the GDT European Wildlife Photographer of the Year Competition 2014.
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Steven Kazlowski / Brunnich's guillemot (Uria lomvia) parent swims with its chick along the northwestern coast of Spitsbergen, Svalbard Archipelago, Norway, Arctic Ocean, July
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Steven Kazlowski / Brunnich's guillemot (Uria lomvia) parent swims with its chick along the northwestern coast of Spitsbergen, Svalbard Archipelago, Norway, Arctic Ocean, July
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Eric Baccega / Thick-billed Murre / Brunnich's Guillemot (Uria lomvia) standing on ice. Floe edge, Arctic Bay, Nunavut, Canada, June.
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Juan Carlos Munoz / Portrait of a Thick-billed raven (Corvus crassirostris). Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Pair of Thick-billed ravens (Corvus crassirostris) calling. Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Thick-billed raven (Corvus crassirostris) in flight. Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Portrait of two Thick-billed ravens (Corvus crassirostris). Simien Mountains, Ethiopia, Feb 2010
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Juan Carlos Munoz / Thick-billed raven (Corvus crassirostris) in flight. Simien Mountains, Ethiopia, Feb 2010
Eric Baccega / Brunnich's guillemot nesting colony (Uria lomvia) on Hantzch Island cliffs off Baffin Island, Nunavut, Canada, August 2010
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Eric Baccega / Colony of Brunnich's guillemots (Uria lomvia) on Hantzch Island cliffs, off Baffin Island, Nunavut, Canada, August 2010
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Eric Baccega / Brunnich's guillemots (Uria lomvia) and Black-legged kittiwakes (Rissa tridactyla) on cliff ledge, Hantzch Island, off Baffin Island Nunavut, Canada, August 2010
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Eric Baccega / Colony of Brunnich's guillemot (Uria lomvia) on Hantzch Island cliffs off Baffin Island, Nunavut, Canada, August 2010
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Eric Baccega / Three Brunnich's guillemots (Uria lomvia) on Hantzch Island cliffs off Baffin Island, Nunavut, Canada, August 2010
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Eric Baccega / Four Brunnich's guillemots (Uria lomvia) perched on Hantzch Island cliffs off Baffin Island, Nunavut, Canada, August 2010
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Eric Baccega / Brunnich's guillemots (Uria lomvia) with chick in water Baffin Island Nunavut, Canada, August 2010
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Eric Baccega / Brunnich's guillemot (Uria lomvia) on water, Baffin Island Nunavut, Canada, August 2010
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Steven Kazlowski / Brunnich's guillemot (Uria lomvia) colony nesting on cliffs, coast of Svalbard, Norway, in summertime
Murray Cooper / Thick-billed Euphonia (Euphonia laniirostris) male carrying nesting material, Colombia
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Steven Kazlowski / Brunnich's guillemot (Uria lomvia) on floating sea ice along the coast of Svalbard, Norway
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Steven Kazlowski / Colony of Brunnich's guillemots (Uria lomvia) nesting on cliffs on the coast of Svalbard in summer, Norway
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Steven Kazlowski / Flock of Brunnich's guillemots (Uria lomvia) resting on an ice floe off the coast of Svalbard, Norway
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Steven Kazlowski / Flock of Brunnich's guillemots (Uria lomvia) resting on an ice floe off the coast of Svalbard, Norway.
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Steven Kazlowski / Large sea cliff colony of Brunnich's guillemot (Uria lomvia) nesting on along Sassenfjorden in summertime, Svalbard, Norway.
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Steven Kazlowski / Brunnich's guillemot (Uria lomvia) chick amidst rocks after falling from a steep cliff, Sassenfjorden, along the coast of Svalbard, Norway,
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Barrie Britton / Head portrait of Thick-billed raven (Corvus crassirostris) Simien Mountains, Ethiopia.
Steven Kazlowski / Flock of Brunnich's guillemot (Uria lomvia) on sea, along the coast of Svalbard, Norway
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Steven Kazlowski / Flock of Brunnich's guillemots (Uria lomvia) on sea, along the coast of Svalbard, Norway
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Steven Kazlowski / Brunnich's guillemot (Uria lomvia) chick swimming with parent, Sassenfjorden, Svalbard coast, Norway
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Steven Kazlowski / Brunnich's guillemots (Uria lomvia) nesting on cliffs, Svalbard, Norway
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Steven Kazlowski / Flock of Brunnich's guillemots (Uria lomvia) on sea near a boat in mist, along the coast of Svalbard, Norway, August 2009
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Steven Kazlowski / Brunnich's guillemot (Uria lomvia) adults surrounding young chicks nesting along cliffs as protection, Sassenfjorden, Svalbard, Norway
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Wild Wonders of Europe / Liodden / Brunnich's guillemot (Uria lomvia) flock flying over a glacier, Spitsbergen, Svalbard, Norway, June 2009
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Wild Wonders of Europe / Liodden / Brunnich's guillemots (Uria lomvia) on cliff ledge, Spitsbergen, Svalbard, Norway, June 2009
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Wild Wonders of Europe / Liodden / Two Brunnich's guillemots (Uria lomvia) on ice in coastal landscape, Raudfjorden, Spitsbergen, Svalbard, Norway, June 2009
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Wild Wonders of Europe / Liodden / Brunnich's guillemot (Uria lomvia) flock flying over a glacier, Spitsbergen, Svalbard, Norway, June 2009
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Anup Shah / Female Gelada baboon (Theropithecus gelada) protecting dead foetus from a Thick billed raven (Corvus crassirostris) Simien Mountains National Park, Ethiopia, November
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Anup Shah / Thick billed ravens (Corvus crassirostris) Simien Mountains National Park, Ethiopia, November
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Oriol Alamany / Brunnich's guillemot / Thick billed murre (Uria lomvia) and Kittiwakes nesting on sea cliff, Saint George Island, Pribilof Islands, Alaska, USA
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Anup Shah / Thick billed raven (Corvus crassirostris) on branch, Simien Mountains National Park, Ethiopia, November
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Steven Kazlowski / Flock of Brunnich's guillemot {Uria lomvia} in flight over water, Chukchi Sea off Barrow, Alaska, May