• Results for
    • Alien Species
  • (936)
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.
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
01515893
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
01515890
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
01515347
Franco Banfi / Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.
Harlequin ladybird (Harmonia axiridis) on end of leaf, invasive species. Sussex, England, UK. March.  -  Stephen  Dalton
01501453
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
01501419
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.
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
01498310
Edwin Giesbers / Barbary ground squirrels (Atlantoxerus getulus) fighting, Fuerteventura, Canary Islands. Introduced from North Africa.
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
01475527
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.
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...
Foxglove (Digitalis purpurea), a non-native species. Near Seno Obstruccion, Magallanes, Chile. January.  -  Ashley Cooper
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Ashley Cooper / Foxglove (Digitalis purpurea), a non-native species. Near Seno Obstruccion, Magallanes, Chile. January.
Snake hunter Dusty Crum catching a Burmese python (Python bivittatus) in the Florida Everglades, USA. September 2019. The pythons, thought to have been released to the Everglades by exotic pet owners...  -  Aaron Gekoski / World Animal Protection
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Aaron Gekoski / World Animal Protection / Snake hunter Dusty Crum catching a Burmese python (Python bivittatus) in the Florida Everglades, USA. September 2019. The pythons, thought to have been released to the Everglades by exotic pet owners...
Heads of Burmese pythons (Python bivittatus), an invasive species in the Florida Everglades, USA. The pythons are chopped up and used as bait in the fishing industry. Their skins are rendered into fas...  -  Aaron Gekoski / World Animal Protection
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Aaron Gekoski / World Animal Protection / Heads of Burmese pythons (Python bivittatus), an invasive species in the Florida Everglades, USA. The pythons are chopped up and used as bait in the fishing industry. Their skins are rendered into fas...
American mink (Neovison vison) on frozen canal. Valkeakoski, Pirkanmaa, Finland. January.  -  Jussi Murtosaari
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Jussi Murtosaari / American mink (Neovison vison) on frozen canal. Valkeakoski, Pirkanmaa, Finland. January.
American mink (Neovison vison) running on frozen canal with fish in mouth. Valkeakoski, Pirkanmaa, Finland. January.  -  Jussi Murtosaari
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Jussi Murtosaari / American mink (Neovison vison) running on frozen canal with fish in mouth. Valkeakoski, Pirkanmaa, Finland. January.
Great crested grebe (Podiceps cristatus) adult with Pumpkinseed sunfish (Lepomis gibbosus) caught to feed to one of its young. The fish species is an introduced invasive species from North America. Va...  -  David Pattyn
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David Pattyn / Great crested grebe (Podiceps cristatus) adult with Pumpkinseed sunfish (Lepomis gibbosus) caught to feed to one of its young. The fish species is an introduced invasive species from North America. Va...
Great crested grebe (Podiceps cristatus) adult with Pumpkinseed sunfish (Lepomis gibbosus) caught to feed to one of its young. The fish species is an introduced invasive species from North America, Va...  -  David Pattyn
01655009
David Pattyn / Great crested grebe (Podiceps cristatus) adult with Pumpkinseed sunfish (Lepomis gibbosus) caught to feed to one of its young. The fish species is an introduced invasive species from North America, Va...
Freshwater ecologist with electrofishing gear in Glenelg River. Dead Carp (Cyprinus carpio) in water, an invasive species that was stunned, caught and killed earlier in day. Victoria, Australia. Octob...  -  Doug Gimesy
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Doug Gimesy / Freshwater ecologist with electrofishing gear in Glenelg River. Dead Carp (Cyprinus carpio) in water, an invasive species that was stunned, caught and killed earlier in day. Victoria, Australia. Octob...
Coypu (Myocastor coypus) adult and young in a pool, Parc Ornithologique, Regional Nature Park of the Camargue, France, September. Introduced species.  -  Mike Read
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Mike Read / Coypu (Myocastor coypus) adult and young in a pool, Parc Ornithologique, Regional Nature Park of the Camargue, France, September. Introduced species.
Green alkanet (Pentaglottis sempervirens). Hampton Court Park, Richmond Upon Thames, England, UK. April.  -  Linda Pitkin
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Linda Pitkin / Green alkanet (Pentaglottis sempervirens). Hampton Court Park, Richmond Upon Thames, England, UK. April.
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.
Muskrat (Ondatra zibethicus) foraging in grass, Breton Marsh, Vendee, France, August.  -  Loic Poidevin
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Loic Poidevin / Muskrat (Ondatra zibethicus) foraging in grass, Breton Marsh, Vendee, France, August.
African sacred ibis (Threskiornis aethiopicus) introduced species foraging on seaweed covered beach along the Atlantic coast in Brittany, France, September  -  Philippe Clement
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Philippe Clement / African sacred ibis (Threskiornis aethiopicus) introduced species foraging on seaweed covered beach along the Atlantic coast in Brittany, France, September
Two African sacred ibises (Threskiornis aethiopicus) introduced species foraging on seaweed covered beach along the Atlantic coast in Brittany, France, September  -  Philippe Clement
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Philippe Clement / Two African sacred ibises (Threskiornis aethiopicus) introduced species foraging on seaweed covered beach along the Atlantic coast in Brittany, France, September
New Zealand Pygmyweed (Crassula helmsii) in flower, an invasive species of plant growing in a pond, Herefordshire, England, September.  -  Will Watson
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Will Watson / New Zealand Pygmyweed (Crassula helmsii) in flower, an invasive species of plant growing in a pond, Herefordshire, England, September.
Orange balsam (Impatiens capensis). Kennet and Avon Canal, Berkshire, England, UK. August.  -  Nigel Cattlin
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Nigel Cattlin / Orange balsam (Impatiens capensis). Kennet and Avon Canal, Berkshire, England, UK. August.
Orange balsam (Impatiens capensis) flowering and seeding at edge of Kennet and Avon Canal, Berkshire, England, UK. August.  -  Nigel Cattlin
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Nigel Cattlin / Orange balsam (Impatiens capensis) flowering and seeding at edge of Kennet and Avon Canal, Berkshire, England, UK. August.
Grey squirrel (Sciurus carolinensis) feeding on Strawberries in garden. Norfolk, England, UK. June.  -  Ernie Janes
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Ernie Janes / Grey squirrel (Sciurus carolinensis) feeding on Strawberries in garden. Norfolk, England, UK. June.
Grey squirrel (Sciurus carolinensis) preparing to jump. Dorset, England, UK. April.  -  Colin Varndell
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Colin Varndell / Grey squirrel (Sciurus carolinensis) preparing to jump. Dorset, England, UK. April.
Itchgrass (Rottboellia cochinchinensis) unopened flower spikes. An agressive weed of crops particularly in tropical and sub-tropical climates.  -  Nigel Cattlin
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Nigel Cattlin / Itchgrass (Rottboellia cochinchinensis) unopened flower spikes. An agressive weed of crops particularly in tropical and sub-tropical climates.
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