Solvin Zankl / Research scientist Dr. Anne von Philipsborn sorting a laboratory culture of Common fruit flies (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austri...

Roy Mangersnes / Polar bear (Ursus maritimus) in front of the colourful Von Post Glacier, West coast of Spitsbergen, Svalbard, Norway, March

Merryn Thomas / Tall ship "Alexander von Humboldt" at the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Merryn Thomas / Three masted barque "Alexander von Humboldt" and brig "Astrid", with Enterprise ferry boat, and the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Merryn Thomas / Barquentine "Kaliakra", four-masted barque "Sedov" and three-masted barque "Alexander von Humboldt" lining up of the start of the Funchal 500 Tall Ships Regatta race, Saturday 13th September 2008. Fal...

Merryn Thomas / Tall ship "Alexander von Humboldt" at the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Merryn Thomas / Three masted barque "Alexander von Humboldt" at the Funchal 500 Tall Ships Regatta race day, Saturday 13th September 2008. Falmouth, Cornwall, UK

Tui De Roy / Von der Decken's Hornbill (Tockus deckeni), Mpala Research Centre, Kenya

Tui De Roy / Von der Decken's Hornbill (Tockus deckeni) lifelong pair sharing food, Mpala Research Centre, Laikipia, Kenya

Tui De Roy / Von der Decken's Hornbill (Tockus deckeni) female eating nestling, Mpala Research Centre, Laikipia, Kenya

Tui De Roy / Von der Decken's Hornbill (Tockus deckeni) lifelong pair sharing food, Mpala Research Centre, Laikipia, Kenya

Roy Mangersnes / Ice formation in the Temple fjord with Von Post glacier in the background, West coast of Spitsbergen, Svalbard, Norway, March 2009

Roy Mangersnes / Polar bear (Ursus maritimus) in front of the colourful Von Post Glacier, West coast of Spitsbergen, Svalbard, Norway, March

Roy Mangersnes / Tourists on snowmobiles, Temple Fjord, near the Von Post glacier, West coast of Spitsbergen, Svalbard, Norway, March 2009

Roy Mangersnes / Morning light on the Von Post glacier, Tempelfjorden, West coast of Spitsbergen, Svalbard, Norway, March 2009

Roy Mangersnes / Evening light on the Von Post glacier, Tempelfjorden, West coast of Spitsbergen, Svalbard, Norway, March 2009

Thomas Marent / Von Hohnel's Chameleon (Chamaeleo hoehnelii), Mount Kenya National Park, Kenya

Andy Sands / Pond skater (Gerris lacustris) Mating pair von water viewed from above, Wales, UK

Colin Monteath / Skiing mountaineer near summit of Von Bulow Peak, Mount Tasman behind, Westland National Park, New Zealand

Michael D. Kern / Helmeted / Bearded Chameleon {Chamaeleo hoehnelii} captive, occurs Eastern Kenya to Uganda

Michael D. Kern / Helmeted / Von Hohnel's chameleons {Chamaeleo hohnelii} captive, occurs Eastern Kenya to Uganda

Mike Potts / Atkins robber frog {Eleutherodactylus atkinsi} Alexanda von Humboldt NP, Cuba

Mike Potts / Morning mist over rainforest, Alexander von Humboldt NP, East Cuba

Anup Shah / Von der Deckens hornbill {Tockus deckeni} Serengeti NP, Tanzania

Jabruson / Von Der Deckens Hornbill {Tockus deckeni} with dung and mongooses on termite mound, Tsavo NP, Kenya.

Jabruson / Von der deckens hornbill {Tockus deckeni} with Quela chick taken from nest, Tsavo East NP, Kenya

Tony Heald / Rear view of Von der Deckens hornbill {Tockus deckeni} male, Laikipia, Kenya.

Mike Potts / Rainforest frog {Eleutherodactylus iberia} Alexander von Humboldt NP, Cuba, world's smallest frog

Bernard Castelein / Von Hohnels chameleon {Chamaeleo hoehnelii} on a branch, Kenya.

Luiz Claudio Marigo / Von der Deckens hornbill {Tockus deckeni} Samburu NR, Kenya

Mike Potts / Rainforest landscape, Alexander von Humboldt National Park, East Cuba

Bernard Castelein / Von Hohnel's chameleon {Chameleo hohnelii} Mt Kenya NP, Kenya

Jabruson / Dwarf mongoose {Helogale parvula} group inhabit termite mound, male Von der Deckens hornbill {Tockus deckeni} waits for mongooses to leave mound Tsavo East NP, Kenya

Jabruson / Male Von der Deckens hornbill {Tockus deckeni} feeding on Red billed quelea chick {Quelea quelea} Tsavo East NP, Kenya

Paul D Stewart / Illustration of tribal chief with Macaw (Ara sp.) feather ornaments. Early Lithographic print by Brodtmann, from Dr. Shinz, 'Naturgeschichte und Abbilldungen der Saugethiere' 1827/1840, with hand colo...

Paul D Stewart / Portrait of Friedrich Alexander von Humboldt (14th September 1769 - 6th May 1859), Lizars' Steel engraving c 1830 with hand colouring after the 1806 painting by Friedrich Weitsch. A German explorer an...

Paul D Stewart / Portrait of Carl Linnaeus mezzotint engraving by H. Kingsbury with later hand colouring, published by 'Dr. Thornton 1805 from an original in his possesion'. The original was by Martin Hoffman, painted...

Paul D Stewart / Illustration of human Flea (Pulex irritans). 1744 August Johann Roesel von Rosenhof with copperplate art and engraving with handcolouring. From 'Der monatlich-herausgekommenen Insecten-Belustigungen E...

Paul D Stewart / 1744 illustration of a flea by August Johann Roesel von Rosenhof; copperplate art and engraving with handcolouring. From 'Der monatlich-herausgekommenen Insecten-Belustigungen Erste Sammlung' (Insect...

Paul D Stewart / Illustration of Death's Head Hawkmoth and caterpillars (Archerontia atropos), 1744, by August Johann Roesel von Rosenhof with his own handcolouring and plate correction. From 'Der monatlich-herausgeko...

Paul D Stewart / Illustration of Death's Head Hawk Moth (Acherontia atropos), 1744, by August Johann Roesel von Rosenhof copperplate art and engraving with his own handcolouring and plate correction. From 'Der monatli...

Paul D Stewart / Illustration of Death's Head Hawk Moth (Acherontia atropos) by August Johann Roesel von Rosenhof with his own copperplate, handcolouring and plate correction, 1744. From 'Der monatlich-herausgekommene...

Paul D Stewart / Illustration of mythical Papio and man-headed beast. Published in Amsterdam in 1673 by Jacob Von Meurs for Arnoldus Montanusa 'De Nieuwe en Onbekende Weereld' after the first book related to America b...

Erwan Quéméré / Maestro Herbert von Karajan with the crew of "Helisara VI", 1981. Huisman built the maxi racer for Karajan in 1979.