Paul D Stewart / Illustration of 'The Entomologist'. Rare copper print with original hand colouring, drawn by George Spratt, printed by George Madely, and sold individually as part of a series through Charles Tilt's F...

Staffan Widstrand / Wilderness trail guide Artist Ngwetha, iMfolozi National Park, South Africa 2011

Andrew Cooper / Artist painting bluebells (Endymion nonscriptus). Dartmoor, UK, June 2010.

Toby Roxburgh / 2020VISION / Nigel Legge (facing), a fisherman, artist and willow ('withy') lobster pot maker standing outside his workshop, Cornwall, England, UK, March 2011 Model released

Ernie Janes / Grafitti artist at work, South Bank, London, UK

Bryan and Cherry Alexander / Inuit artist Kananginak Pootoogook's unfinished stone cut plate of a walrus. Cape Dorset, Nunavut, Canada, 2002. Editorial use only.

Bryan and Cherry Alexander / Kananginak Pootoogook, an acclaimed Inuit artist drawing a Walrus in the print shop at Cape Dorset, Nunavut, Canada, 2002. Editorial use only.

Bryan and Cherry Alexander / Kenojuaq Ashevak, an internationally acclaimed Inuit artist at home in Cape Dorset. Nunavut, Canada, 2002. Editorial use only.

Juergen Freund / Papua New Guinean artist carving Malagan wooden sculptures, the ceremonial art of New Ireland's living culture, from the soft, abundant Saba tree wood. He uses four natural pigments for paint. Kavien...

Juergen Freund / Papua New Guinean artist with the four natural pigments he uses for paint. He carves Malagan wooden sculptures, the ceremonial art of New Ireland's living culture, from the soft, abundant Saba tree wo...

Juergen Freund / Papua New Guinean artist carving Malagan wooden sculptures, the ceremonial art of New Ireland's living culture, from the soft, abundant Saba tree wood. He uses four natural pigments for paint. Kavieng...

Juergen Freund / Papua New Guinean artist with the natural pigment he uses when carving Malagan wooden sculptures, the ceremonial art of New Ireland's living culture. The black pigment is made from a fruit of a Kalapu...

Toby Roxburgh / Artist's Fungus (Ganoderma applanatum) growing on Beech tree (Nothofagus genus), surrounded by brown spores, banks of the River Usk, Wales.

Robert Thompson / Artist fungus (Ganoderma applanatum) growing on tree stump, Tollymore Forest, County Down, Northern Ireland, UK, October

Sue Flood / Narwhal tusk being carved by Inuit artist, Looty Pijamini, depicting wildlife and traditional scenes, March 2004

Sue Flood / Narwhal tusk carved to depict a narwhal by Inuit artist, Looty Pijamini

Sue Flood / Watercolour artist, David McEown, painting on Half Moon Island, Antarctic peninsula, November 2008

Sue Flood / Canadian artist, David McEown, painting a watercolour of Russian nuclear icebreaker "Yamal" at the North Pole, July 2007

Robert Thompson / Artists' fungus {Ganoderma applanatum} Killevy Castle, County Armagh, Northern Ireland, January

Robert Thompson / Artists' fungus {Ganoderma applanatum} under fallen Beech trunk, Castle Coole, County Fermanagh, Northern Ireland, Ocotber

Inaki Relanzon / Bosque Animado de Oma (The animate forest of Oma) tree trunks painted by the artist Agustin Ibadrola, Urdaibai Natural Reserve, Vizcaya, Northern Spain, September 2008

Inaki Relanzon / Bosque Animado de Oma (The animate forest of Oma) tree trunks painted by the artist Agustin Ibadrola, Urdaibai Natural Reserve, Vizcaya, Northern Spain, September 2008

Inaki Relanzon / Bosque Animado de Oma (The animate forest of Oma) tree trunks painted by the artist Agustin Ibadrola, Urdaibai Natural Reserve, Vizcaya, Northern Spain, September 2008

Inaki Relanzon / Bosque Animado de Oma (The animate forest of Oma) tree trunks painted by the artist Agustin Ibadrola, Urdaibai Natural Reserve, Vizcaya, Northern Spain, September 2008

Kirkendall-Spring / Winter view of Mount Baker from Artist Point in the Heather Meadows Recreation Area of Mount Baker-Snoqualmie National Forest, Washington, USA

Kirkendall-Spring / Winter at Artist Point in Mount Baker-Snoqualmie National Forest, Washington, USA

Adrian Davies / Artist's Bracket Fungus {Ganoderma applanatum}growing on Beech tree, brown spores visible underneath the brackets

Tony Phelps / Artist painting Elephant on Ostrich egg for tourism trade, Oudtshoorn, Little Karoo, South Africa

Philippe Clement / Artist's fungus, bracket fungus {Ganoderma applanatum / lipsiense} growing on Beech tree, Belgium

George McCarthy / Artist impression, Death Valley, California, USA

Philippe Clement / Artist's fungus, bracket fungus {Ganoderma applanatum / Ganoderma lipsiense} growing on beech tree, Belgium

Doug Wechsler / Artist's palette, green colour comes from decomposing mica, Badlands, Death Valley NP, California, USA

Niall Benvie / Artist, Derek Robertson, studies tame Red squirrel {Sciurus vulgaris} Scotland, UK

Niall Benvie / Artist Derek Robertson sketching a tame Red squirrel {Sciurus vulgaris} Perthshire, Scotland, UK

Hermann Brehm / Lower Falls in full flow in the Yellowstone River, as seen from Artist Point, Yellowstone NP, Wyoming, USA

Philippe Clement / Artist's bracket {Ganoderma applanatum} growing on dead tree trunk, Belgium.

Niall Benvie / Artist watching and drawing red squirrel (Derek Robertson) Scotland

Niall Benvie / Artist Derek Robertson watching and drawing red squirrel, Scotland

Philippe Clement / Lower falls of the Yellowstone river viewed from Artist point, Yellowstone, USA

Philippe Clement / Lower falls of the Yellowstone river viewed from Artist point, Yellowstone, USA

George McCarthy / Artist's fungus, bracket fungus {Ganoderma applanatum} Selborne, Hampshire, UK

Paul D Stewart / Illustartion of series of primate skeletons, the frontis engraving by Waterhouse Hawkins from the first edition of Huxley's 1863 'Evidences as to Man's Place in Nature'. In this book Huxley presented...

Paul D Stewart / Illustration of iguanodon and megalosaurus by Riou in the revised English 1867 translation of Louis Figuier's 'Earth before the Deluge' 1863. The figure shows impressions after the collaboration betwe...

Paul D Stewart / 1909 illustration of Charles Darwin in tree with young chimpanzee (left) and orangutan (right) by the German artist Thomas Theodor Heine in the periodical 'Simplicissimus' 15th February 1909. This for...

Paul D Stewart / 1909 'On Darwin's hundredth Birthday' Illustration of Charles Darwin in heavenly tree with young chimpanzee (left) and orangutan (right). Chromolithograph by the German artist Thomas Theodor Heine in...

Paul D Stewart / Illustration of 'The Country of the Iguanodon' by the apocalyptic artist John Martin, commissioned by Gideon Mantell as the frontis for his popular book 'The Wonders of Geology' (1838). Martin was vis...

Paul D Stewart / Illustration of Viscacha (Lagidium sp.). Plate 42 from Volume 1 Trans Zool Soc London, 1835, 'Additional remarks on the Genus Lagotis, with some account of a second species referrible to it' with cont...

Paul D Stewart / A Galapagos Mockingbird, from the collection of the Charles Darwin Research Station on Galapagos. While actually on the Beagle voyage, it was the mockinbirds, and not the celebrated finches gave Darwi...

Paul D Stewart / Two Galapagos Mockingbirds (right, upper from Espanola lower from San Cristobal), three Galapagos finch species (upper left) and Yellow Warbler (gold, lower left), from the collection of the Charles D...

Paul D Stewart / A group of Darwin's finches, Geospizinae, from the collection of the Charles Darwin Research Station on Galapagos, showing a range of beak sizes and shapes. Darwin originally misidentified the finches...

Paul D Stewart / Illustration from page 379, 'Journal of Researches' 2nd Edition 1845 Charles Darwin. The contrasting beaks of four Galapagos finches, three Geospizinae genus and one Certhidea (Warbler finch). Darwin...

Paul D Stewart / Red Fox (Vulpes vulpes) portrait detail from a woodcut with old colouring. Conrad Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. Gesner's artist catches the perceived intelligent a...

Paul D Stewart / Red Fox (Vulpes vulpes) portrait detail from a woodcut with old colouring. Conrad Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. Gesner's artist catches the perceived intelligent a...

Paul D Stewart / Woodcut illustration of Satyrus marinus - a sea monster or mermaid of partially human form, with old colouring. Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. Gesner reproduced thi...

Paul D Stewart / Portrait of Conrad Gesner (or Gessner) Swiss Natural Historian (1516-1565). His major four volume work Historiae Animalium (1551-1558) is considered the beginning of modern zoology. In it he summarise...

Paul D Stewart / Portrait of Conrad Gesner (or Gessner) Swiss Natural Historian (1516- 1565). His major four volume work Historiae Animalium (1551-1558) is considered the beginning of modern zoology. In it he summaris...

Paul D Stewart / 1855 Cartoon from Punch's Almanac of that year, ascribed to John Leech, captioned 'A visit to the antediluvian reptiles at Sydenham - master Tom strongly objects to having his mind improved'. Clockwis...

Onne van der Wal / The house where artist Gilbert Stuart was born in 1755, in Saunderstown, Rhode Island. It is a fine example of a typical New England wooden clapboard house with a water wheel on the right of the house...

John Cancalosi / Desert View Watchtower, Grand Canyon National Park, Arizona, USA. Looking up at roof with murals by Hopi artist Fred Kabotie, Watchtower designed by Mary Colter, Completed in 1933

John Cancalosi / Desert View Watchtower, Grand Canyon National Park, Arizona, USA. Looking up at roof with murals by Hopi artist Fred Kabotie, Watchtower designed by Mary Colter, Completed in 1933

George McCarthy / Artist's fungus growing on tree {Ganoderma applanatum} Woodland, Sussex, England, UK

George McCarthy / Artist's fungus {Ganoderma applanatum} growing on tree trunk, UK.

Adrian Davies / Artist's fungus growing on Beech tree {Ganoderma applanatum} Woodland, Surrey,