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    • visuals unlimited
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Agile Gibbon (Hylobates agilis) face portrait, Tanjung Puting National Park, Kalimantan, Borneo, Indonesia - Visuals Unlimited
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Visuals Unlimited / Agile Gibbon (Hylobates agilis) face portrait, Tanjung Puting National Park, Kalimantan, Borneo, Indonesia
Black-eyed Susans refracted in dew drops on blade of grass - Visuals Unlimited
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Visuals Unlimited / Black-eyed Susans refracted in dew drops on blade of grass
Milk Frog (Trachycephalus resinifictrix) looking at its reflection in water, captive - Visuals Unlimited
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Visuals Unlimited / Milk Frog (Trachycephalus resinifictrix) looking at its reflection in water, captive
Margay (Leopardus wiedii) up in tree, Costa Rica. - Visuals Unlimited
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Visuals Unlimited / Margay (Leopardus wiedii) up in tree, Costa Rica.
Strawberry Poison Arrow Frog (Oophaga pumilio) rear view climbing up plant, Costa Rica. These frogs have neurotoxins that are exuded through the skin. The bright colours are a warning to potential pre... - Visuals Unlimited
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Visuals Unlimited / Strawberry Poison Arrow Frog (Oophaga pumilio) rear view climbing up plant, Costa Rica. These frogs have neurotoxins that are exuded through the skin. The bright colours are a warning to potential pre...
Emerald Glass Frog (Centrolenella prosoblepon), sitting within leaf tunnel, Costa Rica. - Visuals Unlimited
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Visuals Unlimited / Emerald Glass Frog (Centrolenella prosoblepon), sitting within leaf tunnel, Costa Rica.
Grizzly Bear (Ursus arctos horribilis) roaring head profile, Montana, USA. Captive. - Visuals Unlimited
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Visuals Unlimited / Grizzly Bear (Ursus arctos horribilis) roaring head profile, Montana, USA. Captive.
Bioluminescent deep-sea Ophiuroid Brittle Star (Ophiochiton ternispinus) - Visuals  Unlimited
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Visuals Unlimited / Bioluminescent deep-sea Ophiuroid Brittle Star (Ophiochiton ternispinus)
Deep-Sea Jellyfish (Crossota) - Visuals  Unlimited
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Visuals Unlimited / Deep-Sea Jellyfish (Crossota)
Deep-sea Hermit Crab outside a shell (Pagurus curacaoensis) - Visuals  Unlimited
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Visuals Unlimited / Deep-sea Hermit Crab outside a shell (Pagurus curacaoensis)
Mosquito (Culex pipiens) female feeding on human blood, while a second mosquito is arriving. - Visuals Unlimited
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Visuals Unlimited / Mosquito (Culex pipiens) female feeding on human blood, while a second mosquito is arriving.
Spider on its web (Neogea nocticolor) - Visuals  Unlimited
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Visuals Unlimited / Spider on its web (Neogea nocticolor)
Eastern / Red Milkweed longhorn Beetle (Tetraopes tetraophthalmus) head portrait, USA - Visuals Unlimited
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Visuals Unlimited / Eastern / Red Milkweed longhorn Beetle (Tetraopes tetraophthalmus) head portrait, USA
Mosquito (Culex pipiens) backlit while drinking blood. - Visuals Unlimited
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Visuals Unlimited / Mosquito (Culex pipiens) backlit while drinking blood.
Barred Owl (Strix varia) hunting for prey, Ontario, Canada. - Visuals Unlimited
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Visuals Unlimited / Barred Owl (Strix varia) hunting for prey, Ontario, Canada.
Rainbow Starfrontlet (Coeligena iris) hovering portrait, Utuana Reserve, Ecuador. - Visuals Unlimited
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Visuals Unlimited / Rainbow Starfrontlet (Coeligena iris) hovering portrait, Utuana Reserve, Ecuador.
Magnolia Warbler (Setophaga / Dendroica magnolia) male singing on a spruce branch, Ontario Canada. - Visuals Unlimited
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Visuals Unlimited / Magnolia Warbler (Setophaga / Dendroica magnolia) male singing on a spruce branch, Ontario Canada.
Harlequin Duck (Histrionicus histrionicus) perched on a rock near crashing surf, Victoria, British Columbia, Canada. - Visuals Unlimited
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Visuals Unlimited / Harlequin Duck (Histrionicus histrionicus) perched on a rock near crashing surf, Victoria, British Columbia, Canada.
Booted Racket tail Hummingbird (Ocreatus underwoodii) male flying, Tandayapa Valley, Ecuador. - Visuals Unlimited
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Visuals Unlimited / Booted Racket tail Hummingbird (Ocreatus underwoodii) male flying, Tandayapa Valley, Ecuador.
Crowned WoodNymph (Thalurania colombica) hovering near flower, Costa Rica - Visuals Unlimited
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Visuals Unlimited / Crowned WoodNymph (Thalurania colombica) hovering near flower, Costa Rica
Gecko (Haemodracon riebeckii) on a young Desert Rose (Adenium obesum) tree. Both endemic of Socotra, Yemen. - Visuals  Unlimited
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Visuals Unlimited / Gecko (Haemodracon riebeckii) on a young Desert Rose (Adenium obesum) tree. Both endemic of Socotra, Yemen.
Shining Honeycreeper (Cyanerpes lucidus) Costa Rica - Visuals Unlimited
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Visuals Unlimited / Shining Honeycreeper (Cyanerpes lucidus) Costa Rica
Melanistic and normal King Penguins (Aptenodytes patagonicus) South Georgia Islands. - Visuals Unlimited
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Visuals Unlimited / Melanistic and normal King Penguins (Aptenodytes patagonicus) South Georgia Islands.
Close-up of Burchell's Zebra (Equus burchellii) eyes and facial stripe pattern, Etosha Pan National Park, Namibia, Africa. - Visuals Unlimited
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Visuals Unlimited / Close-up of Burchell's Zebra (Equus burchellii) eyes and facial stripe pattern, Etosha Pan National Park, Namibia, Africa.
Brown Bear (Ursus arctos) standing, running, jumping - Visuals Unlimited
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Visuals Unlimited / Brown Bear (Ursus arctos) standing, running, jumping
Close up of proboscis of Fruit fly (Drosophila sp) SEM X350 - Visuals Unlimited
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Visuals Unlimited / Close up of proboscis of Fruit fly (Drosophila sp) SEM X350
Negative stain electron micrograph of the Swine Influenza Virus. TEM X29,800 - Visuals Unlimited
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Visuals Unlimited / Negative stain electron micrograph of the Swine Influenza Virus. TEM X29,800
Treefrog (Osteocephalus buckleyi) perched sitting in a cup mushroom, Tambopata Candamo Reserve, Peru - Visuals Unlimited
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Visuals Unlimited / Treefrog (Osteocephalus buckleyi) perched sitting in a cup mushroom, Tambopata Candamo Reserve, Peru
Sweat Bee (Halictus sp) on a composite flower coated with pollen, New Hampshire, USA - Visuals Unlimited
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Visuals Unlimited / Sweat Bee (Halictus sp) on a composite flower coated with pollen, New Hampshire, USA
An AlgaeLink Algae growing system being used to make ethanol and biodiesel. A benefit from producing oil from algae in this way rather from plant oil crops like oil seed rape is that it does not take... - Visuals Unlimited
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Visuals Unlimited / An AlgaeLink Algae growing system being used to make ethanol and biodiesel. A benefit from producing oil from algae in this way rather from plant oil crops like oil seed rape is that it does not take...
Dr. Ian Bartholomew taking measurements as part of a study to measure the speed of the receding Russell Glacier near Kangerlussuag, Greenland. The study is looking at how melt water is affecting the g... - Visuals Unlimited
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Visuals Unlimited / Dr. Ian Bartholomew taking measurements as part of a study to measure the speed of the receding Russell Glacier near Kangerlussuag, Greenland. The study is looking at how melt water is affecting the g...
Dr. Ian Bartholomew using equipment to study melt water as part of a study to measure the speed of the receding Russell Glacier near Kangerlussuag, Greenland. July 2008 - Visuals Unlimited
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Visuals Unlimited / Dr. Ian Bartholomew using equipment to study melt water as part of a study to measure the speed of the receding Russell Glacier near Kangerlussuag, Greenland. July 2008
Brown Pelican (Pelecanus occidentalis) diving, Florida, USA, digital composite - Visuals Unlimited
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Visuals Unlimited / Brown Pelican (Pelecanus occidentalis) diving, Florida, USA, digital composite
Southern bluefin tuna (Thunnus maccoyii) circle in a holding pen, off Port Lincoln, Australia. - Visuals Unlimited
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Visuals Unlimited / Southern bluefin tuna (Thunnus maccoyii) circle in a holding pen, off Port Lincoln, Australia.
A Violet Snail (Janthina janthina) floats on a raft of bubbles while it feeds on a Portuguese Man-of-War (Physalia physalis), Hawaii, USA. - Visuals Unlimited
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Visuals Unlimited / A Violet Snail (Janthina janthina) floats on a raft of bubbles while it feeds on a Portuguese Man-of-War (Physalia physalis), Hawaii, USA.
M81 Spiral Galaxy in Ursa Major - Visuals Unlimited
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Visuals Unlimited / M81 Spiral Galaxy in Ursa Major
The Horsehead Nebula region (Barnard33) - Visuals Unlimited
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Visuals Unlimited / The Horsehead Nebula region (Barnard33)
Grass pollen. SEM X3800 at 4 x 4 - Visuals Unlimited
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Visuals Unlimited / Grass pollen. SEM X3800 at 4 x 4
Tarpons (Megalops atlanticus) grow up to 2 m (6.6 ft) in length and could weigh 160 kg (350 lb), Islamorada, Florida Keys National Marine Sanctuary, USA, Atlantic Ocean. - Visuals Unlimited
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Visuals Unlimited / Tarpons (Megalops atlanticus) grow up to 2 m (6.6 ft) in length and could weigh 160 kg (350 lb), Islamorada, Florida Keys National Marine Sanctuary, USA, Atlantic Ocean.
H1N1 Influenza Virus or Swine Flu Virus. A member of the taxonomic family Orthomyxoviridae, the influenza virus is a single-stranded RNA organism. - Visuals Unlimited
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Visuals Unlimited / H1N1 Influenza Virus or Swine Flu Virus. A member of the taxonomic family Orthomyxoviridae, the influenza virus is a single-stranded RNA organism.
H1N1 Influenza Virus or Swine Flu Virus. A member of the taxonomic family Orthomyxoviridae, the influenza virus is a single-stranded RNA organism. - Visuals Unlimited
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Visuals Unlimited / H1N1 Influenza Virus or Swine Flu Virus. A member of the taxonomic family Orthomyxoviridae, the influenza virus is a single-stranded RNA organism.
Triangle / Clown Tree Frog (Hyla triangulum), Iquitos, Peru - Visuals Unlimited
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Visuals Unlimited / Triangle / Clown Tree Frog (Hyla triangulum), Iquitos, Peru
Rough-toothed Dolphin (Steno bredanensis) analyzing the photographer by using impulse-type (click-type) sonar for precise echolocation and imaging, Kona Coast, Big Island, Hawaii, Pacific Ocean. - Visuals Unlimited
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Visuals Unlimited / Rough-toothed Dolphin (Steno bredanensis) analyzing the photographer by using impulse-type (click-type) sonar for precise echolocation and imaging, Kona Coast, Big Island, Hawaii, Pacific Ocean.
Traditional Chinese fisherman with Cormorants on the Li River at sunrise, near Guilin, China - Visuals Unlimited
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Visuals Unlimited / Traditional Chinese fisherman with Cormorants on the Li River at sunrise, near Guilin, China
Traditional Chinese fisherman with Cormorants and karst formations in the background along Li River at twilight, near Guilin, China - Visuals Unlimited
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Visuals Unlimited / Traditional Chinese fisherman with Cormorants and karst formations in the background along Li River at twilight, near Guilin, China
Traditional fisherman with his Cormorants on the Li River at twilight, Guilin, China - Visuals Unlimited
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Visuals Unlimited / Traditional fisherman with his Cormorants on the Li River at twilight, Guilin, China
Aerial view of flower field patterns surrounding Amsterdam, Holland, February 2010 - Visuals Unlimited
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Visuals Unlimited / Aerial view of flower field patterns surrounding Amsterdam, Holland, February 2010
Close up of a Fruit Fly (Drosphila) compound eye. SEM X2500 - Visuals Unlimited
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Visuals Unlimited / Close up of a Fruit Fly (Drosphila) compound eye. SEM X2500
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