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An endangered Przewalski's Wild Horse standing in its paddock at London Zoo, October 1927 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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An endangered Coquerel's giant mouse lemur/Coquerel's dwarf lemur/Southern giant mouse lemur, resting on a branch at London Zoo, October 1929 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A Black Spiny-tailed Iguana resting on a log at London Zoo in August 1928 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A mature bull Muskox, also spelled Musk ox and Musk-ox standing, eating in his paddock at London Zoo in 1931 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A Sailfin Lizard, with damaged tail, resting on a log at London Zoo in 1928 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A Northern Plains Gray Langur sitting on a perch in its enclosure at London Zoo in 1928 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A young Darwin's/Lesser Rhea standing on grass, next to the fence of its enclosure, London Zoo, 1928 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A vulnerable Hartman's Zebra standing in its paddock at London Zoo, 1929 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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Elephant Rides, with three asiatic elephants watched by crowds of onlookers at London Zoo in August 1926 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A Southern Tamandua/Collared Anteater/Lesser Anteater, walking along a branch at London Zoo, 1928 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A Lappet-faced Vulture standing on the floor of its enclosure, preening its wing feathers, London Zoo, 1931 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A Bighorn Sheep ram standing on a rock looking out over his enclosure at the foot of the Mappin Terraces, London Zoo. 1931 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A keeper holding a knot of young Royal or Ball Python at London Zoo in 1931 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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The Lion House with five men working on its maintenance, London Zoo, 1926 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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Two Snowy Sheathbills standing and walking on the ground at London Zoo, August 1927 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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European Bison 'Georgina' at the bars of her paddock, London Zoo, 12th August 1926 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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A male Argus Pheasant, or Great Argus, displaying his wing and tail feathers, while a female stands in front of him, London Zoo, January 1926 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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Young Gorilla 'John David' aged 5 years being held by a keeper on a blanket at London Zoo, September 1919 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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An Asian Elephant being ridden by two ladies and a young girl, with a keeper at her side, London Zoo, May 1914 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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Wallich's Deer, also known as the Shou, Central Asian or Tibetan Red Deer, in London Zoo, 1916 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images
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Two Polar Bears, including a juvenile, Hugging and playing in a pool at London Zoo, June 1922 (b/w photo), Bond, Frederick William (1887-1942) / Bridgeman Images