860-292474 - Giant Seychelles tortoise (Aldabrachelys gigantea), Turtle island, Prison island, Zanzibar. This island was used as a prison for slaves, and four giant Seychelles tortoises were introduced. Today, they are protected from poachers, and the oldest are between 170 and 200 years old.

860-292412 - Coypu (Myocastor coypus) eating vegetation on a pond.

860-292299 - Coypu (Myocastor coypus) in grass, Etang de Sologne, Loir et Cher, France

860-292298 - Coypu (Myocastor coypus) orange teeth, Etang de Sologne, Loir et Cher, France

1112-7602 - An adult nutria (Myocastor coypus), an invasive species introduced from South America, Spree Forest, Germany, Europe

1112-7599 - An adult nutria (Myocastor coypus), an invasive species introduced from South America, Spree Forest, Germany, Europe

1112-7598 - An adult nutria (Myocastor coypus), an invasive species introduced from South America, Spree Forest, Germany, Europe

860-291042 - Coypu (Myocastor coypus)

860-291352 - Nutria (Myocastor coypus), Slovakia

860-291295 - Muntjack deer (Muntiacus reevesi) standing amongst bluebell and licking his noze, England

860-291351 - Nutria (Myocastor coypus) young, Slovakia

860-290769 - Coypu (Myocastor coypus) walking under the snow, Slovakia

860-290768 - Cold day. I took this picture in afternoon. It was a very cold afternoon.

860-290059 - Coypu , Myocastor coypus, Germany, Europe

860-289840 - Coypu, Myocastor coypus, Germany, Europe

860-289762 - Coypu (Myocastor coypus) line up on driftwood near Lake Kerkini, Greece.

860-290132 - Coypu (Myocastor coypus), young individual near the Rhone, Haute Savoie, France

860-290057 - Coypu, Myocastor coypus, Germany, Europe

860-289830 - Coypu, Myocastor coypus, Germany, Europe

860-289842 - Coypu, Myocastor coypus, Germany, Europe

860-290131 - Coypu (Myocastor coypus), young individual near the Rhone, Haute Savoie, France

860-289839 - Coypu and mallard duck, Myocastor coypus, Germany, Europe

860-290058 - Coypu, Myocastor coypus, Germany, Europe

860-290310 - Coypu (Myocastor coypus) crossing a dry arm of the Loire at dawn, Loire Valley, France

860-289826 - Coypu, Myocastor coypus, Germany, Europe

860-289841 - Coypu, Myocastor coypus, Germany, Europe

860-289827 - Coypu, Myocastor coypus, Germany, Europe

860-290056 - Coypu, Myocastor coypus, Germany, Europe

860-289838 - Coypu on meadow, Germany, Europe

1349-1339 - European Starling

1116-48649 - The Peacock Grouper (Cephalopholis argus) was deliberately introduced to Hawaii and is now considered an invasive species, Island of Hawaii, Hawaii, United States of America

1116-48645 - This gold dust day gecko (Phelsuma laticauda) resting on a palm tree was photographed on the Kona coast of the Big Island, Hawaii, where it is an introduced species, Island of Hawaii, Hawaii, United States of America

860-288029 - Leopard seal (Hydrurga leptonyx) on the beach of Ulva Island in New Zealand wich is "predatory free" because cleared of introduced mammals predators. The Leopard seal is fairly regular in the area and it was really amazing to observe it on a beach and not in the middle of the Antarctic ice.

860-288459 - A Coypu (Myocastor coypus) off the shores of Lake Kerkini, Greece.

860-287381 - Coypu (Myocastor coypus). A large Coypu grooms on a floating log in Greece.

1116-39711 - The Blacktail Snapper (Lutjanus fulvus) reach 13 inches in length and feed mostly on small fish and crabs. This is one of several species that were sucessfully introduced to Hawaii, Hawaii, United States of America

860-284134 - Snail on Carpobrotus, Peninsula Valdes Argentina

860-284310 - Mandarin Duck male on the water, Midlands UK

860-284311 - Mandarin Duck male on the water, Midlands UK

860-284313 - Portrait of Mandarin Duck male on the water, Midlands UK

860-282703 - Red Palm Weevil male on white background

860-283286 - Ring-necked Parakeet perched in a beech in autumn, GB

860-284309 - Pair of Mandarin Ducks on the water, Midlands UK

860-286388 - Ring-necked parakeets on a branch in winter, France

860-284312 - Mandarin Duck male on the water, Midlands UK

857-32785 - Jennifer Carroll, oyster hatchery manager and researcher at Center of Marine Biotechnology, Baltimore MD.She is holding a diploid Asian oyster C. ariakensis in the "algae kitchen" in the biosecure laboratory. She is studying reproduction to determine whether to introduce into the bay.

918-22 - Cargo of acacia wood, an introduced species, Balikpapan Bay, East Kalimantan, Borneo, Indonesia, Southeast Asia, Asia

918-5 - Cargo of acacia wood, an introduced species, Balikpapan Bay, East Kalimantan, Borneo, Indonesia, Southeast Asia, Asia

911-5938 - National Park staff spray weed killer on introduced plant species that are out-competing native flora in the Snowy Mountains, New South Wales, Australia, Pacific

911-5939 - National Park staff spray weed killer on introduced plant species that are out-competing native flora in the Snowy Mountains, New South Wales, Australia, Pacific

743-891 - Grey squirrel (Sciurus carolinensis), in city park, Brandon Park, Bristol, England, United Kingdom, Europe

743-890 - Grey squirrel (Sciurus carolinensis), in city park, Brandon Park, Bristol, England, United Kingdom, Europe

743-887 - Little owl (Athene noctua) in drainpipe, captive, United Kingdom, Europe

817-123222 - European Starling (Sturnus vulgaris), Large migratory flock roosting on power lines in late summer, Wanup, Ontario, Canada