Jeff Rotman / Common thresher shark (Alopias vulpinus) caught in gill net, observed by diver at night, Huatampo, Mexico, Gulf of California, Pacific Ocean. Model released. May 2008.
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Jeff Rotman / Common Thresher Shark (Alopias vulpinus) caught in gill net, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean
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Jeff Rotman / Common Thresher Shark (Alopias vulpinus) silhouette of one caught in gill net, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean
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Paul D Stewart / 'Martha' the last passenger pigeon, (Ectopistes migratorius), who died Cincinnati Zoo, September 1st, 1914. This portrait of her published in March 1915 as the Frontispiece to William Hornaday's 'The...
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Paul D Stewart / Great Auk (Pinguinus impennis) from the Rev. Francis Orpen Morris' 'A History of British Birds' by the printer Benjamin Fawcett circa 1853. Morris was instrumental in founding the Royal Society for th...
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Danny Green / 2020VISION / Adder (Vipera berus) coiled, basking on moss in the spring sunshine, Staffordshire, England, UK, April. Photographer quote: "OK so snakes are perhaps not as sexy as seals or foxes but I just can't get...
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Martin H Smith / Hedgehog (Erinaceus europaeus) eating Oystercatcher eggs on South Uist, Scotland. Introduced to the island in 1974, the hedgehog population has increased dramatically and is causing populations of nes...
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Andy Rouse / 2020VISION / RF- Barn Owl (Tyto alba) portrait perched in old window frame. Wales, UK, March. (This image may be licensed either as rights managed or royalty free.)
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Roland Seitre / Ganges River Dolphin (Platanita gangetica) in front of fisherman. Habitat destruction and disturbance are the main causes of this species' decline. Ganges, India.
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Roland Seitre / Ganges River Dolphin (Platanita gangetica) in front of fisherman. Habitat destruction and disturbance are the main causes of this species' decline. Ganges, India.
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Ross Hoddinott / 2020VISION / Children and mothers pond dipping and enjoying pond environment at Little Bradley Ponds, Bovey Tracy, Devon, UK. July 2011. Model released. Did you know? Newt populations went through decline over the...
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Jeff Rotman / Dead Whitetip Reef shark (Triaenodon obesus) hanging in commercial fishing net, Red Sea, Egypt
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Simon Colmer / Conservation grazing using sheep (Ovis aries) reintroduced by Brighton and Hove Council. Grazing efficently reverses the decline in downland species of ancient downland sites. Sussex, England. March 2...
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) marked by Nic Huin to determine the reasons why the population is in decline, Saunders Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) banded by Nic Huin, for a study on population decline, Saunders Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) group marked by Nic Huin for study on population decline, Saunders Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) marked by Nic Huin for a study on population decline, Saunders Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting group marked by Nic Huin for study on population decline, Sau nders Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) marked by Nic Huin for study on population decline, Saunders Island, Falkland Islands
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Pete Cairns / Orange mesh attached to deer fence to increase visibility and reduce fence collisions of Capercaillie and Black grouse - a common cause of their fatality. This method is used throughout Scotland to t...
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Pete Cairns / Orange mesh attached to deer fence to increase visibility and reduce fence collisions of Capercaillie and Black grouse - a common cause of their fatality. This method is used throughout Scotland to t...
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Martin H Smith / Hedgehog (Erinaceus europaeus) eating Oystercatcher eggs on South Uist, Scotland. Introduced to the island in 1974, the hedgehog population has increased dramatically and is causing populations of nes...
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Martin H Smith / Hedgehog eating Dunlin eggs on South Uist, Scotland (Erinaceus europaeus). Introduced species causing decline in bird populations
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) egg held by by Nic Huin, part a study on population decline, Saunders Island, Falkland Islands
