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European green crab (Carcinus maenas), an invasive species in North America, Kejimkujik Seaside National Park, Nova Scotia, Canada. July.  -  Nick Hawkins
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Nick Hawkins / European green crab (Carcinus maenas), an invasive species in North America, Kejimkujik Seaside National Park, Nova Scotia, Canada. July.
Red swamp crayfish (Procambarus clarcki), invasive species, captive, Italy, July.  -  Fabio Pupin
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Fabio Pupin / Red swamp crayfish (Procambarus clarcki), invasive species, captive, Italy, July.
Invasive Lionfish (Pterois volitans) which have taken over and are wiping out native fish in the Atlantic ocean. The highest densities are in the northern gulf of Mexico. Destin, Florida, USA.  -  Shane Gross
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Shane Gross / Invasive Lionfish (Pterois volitans) which have taken over and are wiping out native fish in the Atlantic ocean. The highest densities are in the northern gulf of Mexico. Destin, Florida, USA.
Invasive Lionfish (Pterois volitans) which have taken over and are wiping out native fish in the Atlantic ocean. The highest densities are in the northern gulf of Mexico. Destin, Florida, USA.  -  Shane Gross
01619319
Shane Gross / Invasive Lionfish (Pterois volitans) which have taken over and are wiping out native fish in the Atlantic ocean. The highest densities are in the northern gulf of Mexico. Destin, Florida, USA.
Timelapse of a Scolymia coral (Mussidae) feeding, lit with a UV light, Cairns, North Queensland, Australia.  -  Jurgen Freund
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Jurgen Freund / Timelapse of a Scolymia coral (Mussidae) feeding, lit with a UV light, Cairns, North Queensland, Australia.
Green elf-cup / wood-cup (Chlorosplenium aeruginascens), New Forest National Park, Hampshire, England, UK. October.  -  Guy Edwardes
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Guy Edwardes / Green elf-cup / wood-cup (Chlorosplenium aeruginascens), New Forest National Park, Hampshire, England, UK. October.
Candle-snuff fungus (Xylaria hypoxylon), New Forest National Park, Hampshire, England, UK. November.  -  Guy Edwardes
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Guy Edwardes / Candle-snuff fungus (Xylaria hypoxylon), New Forest National Park, Hampshire, England, UK. November.
Backlit detail of branching fire coral (Millepora alcicornis) showing the hair like polyps, filled with stinging nematocysts. East End, Grand Cayman, Cayman Islands. Caribbean Sea.  -  Alex Mustard
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Alex Mustard / Backlit detail of branching fire coral (Millepora alcicornis) showing the hair like polyps, filled with stinging nematocysts. East End, Grand Cayman, Cayman Islands. Caribbean Sea.
Reindeer (Rangifer tarandus) fighting, Cairngorms National Park, Scotland, UK, March.  -  John MacPherson
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John MacPherson / Reindeer (Rangifer tarandus) fighting, Cairngorms National Park, Scotland, UK, March.
Atolla jellyfish (Atolla wyvillei) with Gentoo penguin (Pygoscelis papua) in the background near the surface. Antarctic Peninsula. Finalist in the Underwater category of the Wildlife Photographer of t...  -  Jordi  Chias
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Jordi Chias / Atolla jellyfish (Atolla wyvillei) with Gentoo penguin (Pygoscelis papua) in the background near the surface. Antarctic Peninsula. Finalist in the Underwater category of the Wildlife Photographer of t...
American mink (Mustela vison) on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.  -  Sven  Zacek
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Sven Zacek / American mink (Mustela vison) on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.
American mink (Mustela vison) shaking off fur on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.  -  Sven  Zacek
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Sven Zacek / American mink (Mustela vison) shaking off fur on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.
American mink (Mustela vison) running on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.  -  Sven  Zacek
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Sven Zacek / American mink (Mustela vison) running on ice with Common frog (Rana temporaria) prey, Tartumaa, Estonia, January. Introduced species.
Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.  -  Franco  Banfi
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Franco Banfi / Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.
Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.  -  Franco  Banfi
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Franco Banfi / Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.
Close up of Passionflower (Passiflora caerulea) La Pampa, Argentina.  -  Gabriel Rojo
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Gabriel Rojo / Close up of Passionflower (Passiflora caerulea) La Pampa, Argentina.
Harvestman (Megabunus diadema) with prominent, spiky eyes,  Peak District National Park, Derbyshire, UK. April  -  Alex  Hyde
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Alex Hyde / Harvestman (Megabunus diadema) with prominent, spiky eyes, Peak District National Park, Derbyshire, UK. April
Crane fly / Daddy long legs (Tipula paludosa) female covered in morning dew. Peak DIstrict National Park, Derbyshire, UK. September. Winner of the Hidden Britain Category of the BWPA Awards 2015.  -  Alex  Hyde
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Alex Hyde / Crane fly / Daddy long legs (Tipula paludosa) female covered in morning dew. Peak DIstrict National Park, Derbyshire, UK. September. Winner of the Hidden Britain Category of the BWPA Awards 2015.
Harlequin ladybird (Harmonia axiridis) on end of leaf, invasive species. Sussex, England, UK. March.  -  Stephen  Dalton
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Stephen Dalton / Harlequin ladybird (Harmonia axiridis) on end of leaf, invasive species. Sussex, England, UK. March.
Harlequin ladybird (Harmonia axyridis) in flight, invasive species, England, UK. March.  -  Stephen  Dalton
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Stephen Dalton / Harlequin ladybird (Harmonia axyridis) in flight, invasive species, England, UK. March.
Muskrat (Ondatra zibethicus) Espoo, Uusimaa, Finland, May. Introduced species.  -  Jussi  Murtosaari
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Jussi Murtosaari / Muskrat (Ondatra zibethicus) Espoo, Uusimaa, Finland, May. Introduced species.
Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.  -  Constantinos Petrinos
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Constantinos Petrinos / Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.
Barbary ground squirrel (Atlantoxerus getulus) looking over rock, Fuerteventura, Canary Islands. Introduced from North Africa.  -  Edwin  Giesbers
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Edwin Giesbers / Barbary ground squirrel (Atlantoxerus getulus) looking over rock, Fuerteventura, Canary Islands. Introduced from North Africa.
Barbary ground squirrels (Atlantoxerus getulus) fighting, Fuerteventura, Canary Islands. Introduced from North Africa.  -  Edwin  Giesbers
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Edwin Giesbers / Barbary ground squirrels (Atlantoxerus getulus) fighting, Fuerteventura, Canary Islands. Introduced from North Africa.
Amphipod (Acanthogammarus victorii), Lake Baikal, Russia. June.  -  Olga Kamenskaya
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Olga Kamenskaya / Amphipod (Acanthogammarus victorii), Lake Baikal, Russia. June.
Female Humpback whale (Megaptera novaeangliae) with its calf in open water,  Reunion Island. Indian Ocean.  -  Pascal Kobeh
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Pascal Kobeh / Female Humpback whale (Megaptera novaeangliae) with its calf in open water, Reunion Island. Indian Ocean.
Multitudes of Moon jellyfish (Aurelia labiata), Alaska, USA, Gulf of Alaska. Pacific ocean.  -  Pascal Kobeh
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Pascal Kobeh / Multitudes of Moon jellyfish (Aurelia labiata), Alaska, USA, Gulf of Alaska. Pacific ocean.
Rose-ringed / ring-necked parakeets (Psittacula krameri) in flight on way to roost in an urban cemetery, London, UK, January. Finalist in the Birds category, Wildlife Photographer of the Year Awards (...  -  Sam Hobson
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Sam Hobson / Rose-ringed / ring-necked parakeets (Psittacula krameri) in flight on way to roost in an urban cemetery, London, UK, January. Finalist in the Birds category, Wildlife Photographer of the Year Awards (...
Pram bug (Phronima) swimming, Mid-Atlantic Ridge. Deep sea species.  -  David  Shale
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David Shale / Pram bug (Phronima) swimming, Mid-Atlantic Ridge. Deep sea species.
Emperor shrimp (Periclimenes imperator / Zenopontonia rex) hitchhiking on large t-bar nudibranch (Ceratosoma trilobatum) The shrimp gains food source and protection on the toxic seaslug. Bitung, North...  -  Alex Mustard
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Alex Mustard / Emperor shrimp (Periclimenes imperator / Zenopontonia rex) hitchhiking on large t-bar nudibranch (Ceratosoma trilobatum) The shrimp gains food source and protection on the toxic seaslug. Bitung, North...
Close up of tiny (10mm) Pygmy seahorse (Hippocampus bargibanti) living disguised in Muricella sp. sea fan. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.  -  Alex  Mustard
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Alex Mustard / Close up of tiny (10mm) Pygmy seahorse (Hippocampus bargibanti) living disguised in Muricella sp. sea fan. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.
Giant deep-sea isopod (Bathynomus giganteus) Picture was taken in cooperation with the Zoological Museum University of Hamburg  -  Solvin Zankl,Solvin Zankl
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Solvin Zankl,Solvin Zankl / Giant deep-sea isopod (Bathynomus giganteus) Picture was taken in cooperation with the Zoological Museum University of Hamburg
Black Rat (Rattus rattus) young. Introduced species on Maria Magdalena Island, Marias Islands Biosphere Reserve, Gulf of California, Mexico, September.  -  Claudio Contreras
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Claudio Contreras / Black Rat (Rattus rattus) young. Introduced species on Maria Magdalena Island, Marias Islands Biosphere Reserve, Gulf of California, Mexico, September.
Composite image of American fish species introduced to Europe: Pumpkinseed sunfish (Lepomis gibbosus, left), Brown bullhead (Ameiurus nebulosus, right) and Eastern mudminnow (Umbra pygmaea, under), ph...  -  Bert Willaert
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Bert Willaert / Composite image of American fish species introduced to Europe: Pumpkinseed sunfish (Lepomis gibbosus, left), Brown bullhead (Ameiurus nebulosus, right) and Eastern mudminnow (Umbra pygmaea, under), ph...
European praying mantis (Mantis religiosa) camouflaged on leaf, Tuscany, Italy  -  Paul Harcourt Davies
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Paul Harcourt Davies / European praying mantis (Mantis religiosa) camouflaged on leaf, Tuscany, Italy
Fossil of a Trilobite (Olenellus / Olenellus gilberti Meek) from the Lower Cambrian period, Chisolm shale, Pioche formation, Half Moon mine, Pioche, Nevada, USA. Pete Lawrance collection  -  SINCLAIR STAMMERS
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SINCLAIR STAMMERS / Fossil of a Trilobite (Olenellus / Olenellus gilberti Meek) from the Lower Cambrian period, Chisolm shale, Pioche formation, Half Moon mine, Pioche, Nevada, USA. Pete Lawrance collection
Harlequin beetle (Acrocinus longimanus) close up, portrait  -  Stephen Dalton
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Stephen Dalton / Harlequin beetle (Acrocinus longimanus) close up, portrait
Gecko (Tarentola sp) close up of feet gripping glass, controlled conditions  -  Stephen Dalton
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Stephen Dalton / Gecko (Tarentola sp) close up of feet gripping glass, controlled conditions
Alien mammal trap on Codfish Island, keeping the island free of predators to protect the endangered  Kakapo, southern New Zealand, January 2009  -  Mark Carwardine
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Mark Carwardine / Alien mammal trap on Codfish Island, keeping the island free of predators to protect the endangered Kakapo, southern New Zealand, January 2009
Portrait of two siika deer (Cervus nippon), possibly red deer (Cervus elaphus) hybrids, on open moorland in snow, Cairngorms National Park, Scotland, UK. January 2020.  -  Ross Hoddinott
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Ross Hoddinott / Portrait of two siika deer (Cervus nippon), possibly red deer (Cervus elaphus) hybrids, on open moorland in snow, Cairngorms National Park, Scotland, UK. January 2020.
Photographer Tui De Roy harvesting naturalised hybrid tomatoes around the edges of her garden. Puerto Ayora, Santa Cruz Island, Galapagos. June 2020.  -  Tui De Roy
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Tui De Roy / Photographer Tui De Roy harvesting naturalised hybrid tomatoes around the edges of her garden. Puerto Ayora, Santa Cruz Island, Galapagos. June 2020.
Brown or Norway rat (Rattus norvegicus) . Rats are invasive on the Galapagos islands. Whilst Black rats were introduced in the 17th and 18th centuries, Brown rats were initially seen in major ports of...  -  Tui De Roy
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Tui De Roy / Brown or Norway rat (Rattus norvegicus) . Rats are invasive on the Galapagos islands. Whilst Black rats were introduced in the 17th and 18th centuries, Brown rats were initially seen in major ports of...
Orchid (Disa bracteata), Great Southern region, Western Australia. Introduced species, endemic to South Africa.  -  Marie Lochman
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Marie Lochman / Orchid (Disa bracteata), Great Southern region, Western Australia. Introduced species, endemic to South Africa.
Free-roaming Aldabra giant tortoise (Geochelone gigantea), feeding on cabbage leaf, introduced onto Prison Island, Zanzibar, Tanzania. January.  -  Will Watson
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Will Watson / Free-roaming Aldabra giant tortoise (Geochelone gigantea), feeding on cabbage leaf, introduced onto Prison Island, Zanzibar, Tanzania. January.
Lesser rhea (Rhea pennata) walking in field, Germany, March  -  Hanne & Jens Eriksen
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Hanne & Jens Eriksen / Lesser rhea (Rhea pennata) walking in field, Germany, March
New Zealand Flatworm (Arthurdendyus trianguluatus), invasive species, County Down, Northern Ireland October 2019.  -  Will Watson
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Will Watson / New Zealand Flatworm (Arthurdendyus trianguluatus), invasive species, County Down, Northern Ireland October 2019.
Harlequin ladybirds (Harmonia axyridis) mating pair Sutcliffe Park Nature Reserve, Eltham, London, England, UK. May.  -  Rod Williams
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Rod Williams / Harlequin ladybirds (Harmonia axyridis) mating pair Sutcliffe Park Nature Reserve, Eltham, London, England, UK. May.
Coypu (Myocastor coypus) foraging in grass, Breton Marsh, Vendee, France, August.  -  Loic Poidevin
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Loic Poidevin / Coypu (Myocastor coypus) foraging in grass, Breton Marsh, Vendee, France, August.
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