Bence Mate / Great egret (Ardea alba) with green colouring near beak during breeding season, Lake Csaj, Pusztaszer, Hungary, April.

Paul D Stewart / Lithograph with contemporary colouring, continental version of the wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It is entitled 'Enaliosauria, or marine...

Paul D Stewart / Lithograph with contemporary colouring, continental version of the last wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It is entitled 'Pachydermata and C...

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...

Paul D Stewart / Copperplate engraving of rays with contemporary hand colouring from 'Bilderbuch fur Kinder' by F.J. Bertuch, Weimar, 1795. This book set out to explain and illustrate a range of topics for children.

Paul D Stewart / Copperplate engraving of a Stag Beetle (Lucanus cervus), with hand colouring possibly by Donovan himself. While most plates were thinly coloured to tint the interstices of the lines of the engraving b...

Paul D Stewart / A rare British broadsheet illustration with contemporary hand colouring, drawn and engraved by John Emslie and published by James Reynolds in 1849. It shows reconstructions of extinct creatures in the...

Edwin Giesbers / Portrait of Eurasian Jay (Garrulus glandarius) showing colouring on cheek and primary flight feathers. The Netherlands, June.

Igor Shpilenok / Looking down into the crater lake of the Maly Semyachik Volcano with ice at the rim and azure blue colouring caused by the acidic water, July.

Karine Aigner / Children learning about Mexican Free-tailed bats (Tadarida brasiliensis), and make 'bat masks' while waiting for the bats to emerge at Bracken Cave. Bracken Cave Preserve, San Antonio, Texas, USA. Jul...

Ashley Cooper / The Aiguillette des Posettes with Bilberry plants colouring up in late summer, above Chamonix, French Alps, and the rapidly retreating Glacier du tour. France, September 2014.

Ashley Cooper / The Aiguillette des Posettes with Bilberry plants colouring up in late summer, above Chamonix, French Alps, and the rapidly retreating Glacier du tour. September 2014.

Tony Heald / Double-banded courser (Rhinoptilus africanus) rare leucistic colouring, Etosha National Park, Namibia.

Tony Heald / Double-banded courser (Rhinoptilus africanus) rare leucistic colouring, incubating egg, Etosha National Park, Namibia.

Paul D Stewart / Copperplate illustration of Indian rhinoceros (Rhinoceros unicornis) by W. Read with later hand colouring . From 'Nature Displayed in the Heavens and on Earth' by Simeon Shaw 1823

Paul D Stewart / Copperplate illustration of Indian rhinoceros (Rhinoceros unicornis) by W. Read with later hand colouring. From 'Nature Displayed in the Heavens and on Earth' by Simeon Shaw 1823

Paul D Stewart / Illustration of four New World monkeys (Atelidae) Copperplate engraving with contemporary hand colouring from 'Bilderbuch fur Kinder' by F.J. Bertuch, Weimar, circa 1820.

Paul D Stewart / Copperplate engraving of Hare dog with contemporary hand colouring from 'The Viviparous Quadrupeds of North America' by John James Audubon and John Bachman, originally published in three volumes (1845...

Paul D Stewart / 'The Falkland Island Aguara dog' the extinct Falkland wolf (Canis antarctus / Dusicyon australis) plate 23 steel engraving with hand colouring as issued. From 'Natural History of Dogs' Charles Hamilt...

Paul D Stewart / Illustration of Saffron crocus (Crocus sativus) and stigmas - or threads, used as seasoning and food colouring and worth more than its weight in gold. From Friedrich Johann Justin Bertuch's 'Bilderbuc...

Rod Williams / Green Shieldbug (Palomena prasins) in pre-hibernation colouring Lewisham, London, November

Igor Shpilenok / Red Fox (Vulpes vulpes) in dry grasses showing similarity of colouring between fur and grass. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, July.

Andy Trowbridge / Blue Duck (Hymenolaimus malacorhynchos) perched on mid-stream boulder with late eveing light colouring the water in the background. Hollyford River, Fiordland National Park, Southland, South Island, N...

Paul D Stewart / 1837 illustration of Greenland / Bowhead Whale (Balaena mysticetus) breaching, from Jardine's 'Naturalist's Library', Whales, Plate 23 Volume VI, from artwork of Stewart engraved by W. H. Lizars. Ori...

Will Watson / Achiote (Bixa orelliana) seed capsules, used to make the red dye annato for food colouring. Manabi Province, Ecuador, February

Edwin Giesbers / Eurasian Jay (Garrulus glandarius) in profile showing colouring on cheek and primary flight feathers. The Netherlands, June.

Edwin Giesbers / Eurasian Jay (Garrulus glandarius) in profile showing colouring on cheek and primary flight feathers. The Netherlands, June.

Juan Carlos Munoz / Aerial view of Rio Tinto estuary with iron minerals colouring the soil and water, Costa de la Luz, Huelva, Andalucia, Spain, March 2008

Juan Carlos Munoz / Aerial view of Rio Tinto estuary with iron minerals colouring the soil and water, Costa de la Luz, Huelva, Andalucia, Spain, March 2008

Juan Carlos Munoz / Aerial view of Rio Tinto estuary with mineral iron colouring the water, Costa de la Luz, Huelva, Andalucia, Spain, March 2008

Juan Carlos Munoz / Aerial view of Rio Tinto estuary with iron minerals colouring the soil and water, Costa de la Luz, Huelva, Andalucia, Spain, March 2008

Juan Carlos Munoz / Aerial view of Rio Tinto estuary with iron colouring the water, Costa de la Luz, Huelva, Andalucia, Spain, March 2008

Igor Shpilenok / Looking down into the crater lake of the Maly Semyachik Volcano with ice at the rim and azure blue colouring caused by the acidic water, July.

Jose B. Ruiz / Water and soil from the Riotinto delta with minerals colouring the soil orange, Huelva, Spain

Roger Powell / Pine Grosbeak (Pinicola enucleator) pair at nest, unusual male plumage with female colouring, Finnish Lapland

Jane Burton / Domestic cat {Felis catus} mixed colouring, black and white and tabby, UK

Igor Shpilenok / 'Velikan' or 'Giant' Geyser, with colonies of thermophilic bacteria colouring foreground, Kronotsky Zapovednik Reserve, Russia. Tthe largest geyser on Kamchatka, periodically erupting, releasing up to...

Peter Blackwell / Maasai warrior with head painted in red ochre. Eunoto ceremony. Mara region, Kenya. Head is shaved before colouring. 1995

Tom Vezo / Grey squirrel (black phase) {Sciurus carolinensis} Vancouver, Canada

Nigel Cattlin / Hoverfly (Episyrphus balteatus) feeding from the red flower of a long-headed poppy, (Papaver dubium), Berkshire, July

Paul D Stewart / Lithograph with contemporary colouring, continental version of the wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It includes elements of the fourth and...

Paul D Stewart / Lithograph with later hand colouring combining two of Benjamin Waterhouse Hawkins' six wall posters 'Waterhouse Hawkins Diagrams of the Extinct Animals' produced for the Department of Science and Art...

Paul D Stewart / Portrait of Richard Owen (20, July 1804 - 18 December 1892), 1894 engraving from an 1840s painting by Pickersgill, later hand colouring. Owen was a comparative anatomist and palaeontologist. He coined...

Paul D Stewart / 1837 portrait of Gideon Mantell (3 February 1790 - 10 November 1852). Engraved from a painting by Samuel Stepney, later hand colouring. Published in G. Mantell's 'Thoughts on a Pebble' 1849. Gideon Ma...

Paul D Stewart / 1837 illustration of lesser Rorqual (now more commonly known as Minke whale Balaenoptera acuto-rostrata) beached and tied. From Jardine's 'Naturalist's Library', Whales, Volume VI, from artwork of Ste...

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 / Illustration of Gir Indian Lion (Panthera leo). Plate 24 from Volume 1 Trans. Zool. Soc. London, 1835, 'Some Account of the maneless Lion of Guzerat' with contemporary hand colouring as issued. The pl...

Paul D Stewart / Illustration of Edward Lear's first fossa (Cryptoprocta ferox). Plate 14 from Volume 1 Trans Zool Soc London, 1835, 'Notice of a Mammiferous Animal from Madagascar, constituting a New Form among the V...

Paul D Stewart / Portrait of Reverend Thomas Malthus, author of 'An Essay on the Principle of Population'. Mezzotint with later hand colouring painted and engraved by John Linnell, published 1834 by Dominic Colnaghi....

Paul D Stewart / 1834 steel engraving with contemporary hand colouring, the earliest coloured reconstruction of extinct fossil animals. It is from Guerin's Dictionnaire pittoresque Vol 1. plate 24. Numbered it include...

Paul D Stewart / 'Organic Remains restored' front page illustration of the Penny Magazine, October 26th 1833, with wood engraving illustration and later hand colouring. This is the first illustrated popular article on...

Paul D Stewart / Illustration of Chimpanzee (Pan troglodytes). 1833, Plate 1. Troglodytes niger, 'Black Orang'. The species was not well known yet with the first arriving in London zoo in 1835. Steel plate engraving w...

Paul D Stewart / Illustration of Orangutan (Pongo pygmaeus). Plate 2 (and 3) Propithecus satyrus. 'The Red or Asiatic Orangutang' (sic). The orangutan was the first great ape to be well known in Europe and Britain. On...

Paul D Stewart / Portrait of 'The Reverend William Buckland D.D. F.R.S. Canon of Christ Church and Professor of Geology and Mineralogy in the University of Oxford 1833' Painted by Thomas Phillips and Mezzotint engrave...

Paul D Stewart / Fine steel engraving with later hand colouring by l. Lewitt and Radclyffe of the 'British Museum - Zoological Gallery' in 'London Interiors' published by Joseph Mead of London (1841). The engraving sh...

Paul D Stewart / Early Lithographic print by Honegger drawn by Fuchs, from Dr. Shinz, 'Naturgeschichte und Abbilldungen des Menschen der verschiedenen' 1827/1840, with hand colouring. A trio of Papua New Guinea men wi...

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 / Early Lithographic print by Carl Brodtmann from Dr. Shinz, 'Naturgeschichte und Abbilldungen des Menschen der verschiedenen' 1827, with hand colouring. A pair of Marquesas men with traditional tribal...

Paul D Stewart / Illustration of Mammoth and Pteranodon 1820. An unrecorded, possibly unique print by 'E.S - F.G.S' (Fellow of Geological Society) in mezzotint style with contemporary hand colouring and ink inscriptio...

Paul D Stewart / Portrait of George Cuvier, naturalist, comparative anatomist and palaeontologist (23 August 1769 - 13 May 1832). Portrait engraving by James Thompson, issued by Mackenzie Glasgow around 1833 with late...

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 / Sir Joseph Banks, botanist and naturalist. (13th February 1743 - 19th June 1820). Engraving by C.E. Wagstaff with later colouring, after the painting of Banks as President of the Royal Society by Phil...

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 / Portrait of Thomas Jefferson, polymath, American Founding Father and President (b. 13 April 1743 - d. 4 July 1826). Engraving by W.Holl in 'The Gallery of Portraits' 1837 with later colouring, after p...

Paul D Stewart / Portrait of Erasmus Darwin (1731-1802) from a picture by Wright of Derby, reproduced with later hand colouring by his grandson, Charles Darwin in 'Life of Erasmus Darwin' 1879 (Ernst Krause co-author)...

Paul D Stewart / Copperplate engraving of a Stag Beetle (Lucanus cervus), with hand colouring possibly by Donovan himself. While most plates were thinly coloured to tint the interstices of the lines of the engraving b...

Paul D Stewart / Portrait of William Paley (July 1743 - 25 May 1805); stippled engraving published by Joshua Belcher 1810 as frontis to 'The Works of William Paley' Volume I, prepared and with later hand colouring aft...

Paul D Stewart / Portrait of James Cook, Captain of HMS Barc Endeavour (b. 7th November 1728 - d. 14th February 1779); steel engraving by E. Scriven 1833 with later hand colouring, after the painting by N. Dance 1775/...

Paul D Stewart / Illustration of Madagascan Pipevine Swallowtail (Pharmacophagus antenor / Batthus philenor, Drury 1773). Strong late 18th Century illustration with contemporary colouring following its discovery. As a...

Paul D Stewart / Portrait of Jean Jacques Rousseau, Naturalistic Philosopher (28 June 1712 - 2 July 1778); steel engraving by Thevenin after a design by Gleyre with later colouring, after the 1764 portrait by M. Quent...

Paul D Stewart / Portrait of Georges-Louis Leclerc, Comte de Buffon. French naturalist (7 September 1707 - 16th April 1788). Steel engraving 1833 by Robert Hart with later colouring, from the painting by F.H. Drouais...

Paul D Stewart / Copper plate illustration with contemporary hand colouring, possibly of an orang utan (Pongo pygmaeus), printed 1757. 'The satier, savage, wild man, pigmy, orang-autang, chimp-anzee & c. '. From 'Glea...

Paul D Stewart / 1731 illustration from Physica Sacra (Sacred Physics) by Johann Scheuchzer (1672-1733) folio copper engraving of the fifth day of creation (with later hand colouring) drawn by a team of engravers unde...

Paul D Stewart / 1731 Physica Sacra (Sacred Physics) by Johann Scheuchzer (1672-1733) the fourth day of creation folio copper engraving (with later hand colouring) drawn by a team of engravers under the direction of J...

Paul D Stewart / 1731 Physica Sacra (Sacred Physics) by Johann Scheuchzer (1672-1733). Creation of Man from Dust (Homo ex humo) folio copper engraving with later hand colouring drawn by a team of engravers under the d...

Paul D Stewart / Copperplate engraving of mythical hydra with hand colouring by J. Chapman 1806 after engraving by Seba in his 'Treasury of Natural History' (1734). In 1735 a young Linnaeus visited Hamburg. While ther...

Paul D Stewart / Illustration with later hand colouring from Thomas Burnet's 'The Sacred Theory of the Earth' 1684. In it he postulates how the 'perfect' featureless earth of the creation is transformed by waters unle...

Paul D Stewart / Illustration with later hand colouring from Thomas Burnet's 'The Sacred Theory of the Earth' 1684. In it he postulates how the 'perfect' featureless earth of the creation is transformed by waters unle...

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 of Common electric ray (Torpedo torpedo) with old colouring. From Conrad Gesner's 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. The torpedo or electric ray had been well know by...

Paul D Stewart / Illustration of Sea Serpents from Gessner's 'Historia Animalium', volume 4, 1558. Later hand colouring. Gessner's accounts included creatures which exist, and creatures which we now know do not. There...

Paul D Stewart / Illustration of Sea Serpents from Gesner's 'Historia Animalium', volume 4, 1558. Later hand colouring. Italic marginalia by contemporary scholar. Gessner's accounts included creatures which exist, and...

Paul D Stewart / Woodcut of mythical creature with early colouring from Conrad Gesner's 'Icones Animalium' 1557. Publ. Christof Froshover, Zurich. Gesner takes this image from Breidenbach's 'Journey to the Holy Land'...

Paul D Stewart / Woodcut illustration of mythical creature with contemporary colouring from 'Icones Animalium' Publ. Christof Froschover, Zurich, 1560. Gesner illustrates a creature captured in the forest of Hanesberg...

Paul D Stewart / Woodcut illustration of Crested Porcupine (Hystrix cristata) with colouring. From Gesner's 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. Of Gesner's many woodcuts this is one of the more...

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 with old colouring of shark and shark tooth fossil from Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560 (also 1558 in Historiae Animalium, Liber IIII). This is the first West...

Paul D Stewart / Woodcut illustration of Flying fish (Exocoetus spp.) with old colouring and paper age toning and staining. From Gesner's 'Icones Animalium' publ. Christof Froschover, Zurich, 1560.

Paul D Stewart / Woodcut with old colouring of fish. Conrad Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. In marked contrast to his exotica which were often fancifully drawn Gesner's woodcuts of f...

Paul D Stewart / Woodcut illustration with old colouring of Barbary Macaque monkey (Macaca sylvanus) identified as 'Ein Aff' (An ape). From Gesner's 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. The divi...

Paul D Stewart / Woodcut illustration of whale slaughter with old colouring from Gesner 'Icones Animalium' publ. Christof Foschover, Zurich, 1560. Gesner appears to derive this image partly from Olaus Magnus 'Historia...

Paul D Stewart / Woodcut illustration of whale attacking ship, with old colouring. From Gesner's 'Icones Animalium' published by Christof Froschover, Zurich, 1560.

Paul D Stewart / Woodcut illustration of sharks attacking a man, with a ray coming to help, with old colouring. From Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. This scene is copied by Gesner fr...

Paul D Stewart / Woodcut illustration of a Mole, (Talpa europaea), with original hand colouring from Conrad Gesner 'Icones Animalium' 1560. Before the advent of Linnaeus' binomial latin taxonomic nomenclature such tra...

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...