Terry Whittaker / Pete Turner weighs Pine marten (Martes martes). in trap. Part of Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

David Fleetham / Sea snail (Thyca crystallina), two growing on host Blue sea star (Linckia laevigata). Philippines.

Paul D Stewart / The history of life, proposed by Swiss-American naturalist Louis Agassiz. Agassiz would disagree strongly with Darwin's theory of evolution. This diagram from 1855 shows how he understood biological...

Paul D Stewart / Illustration of mythical Unicorn, also known as Monoceros, by engraver Matthaus Merian 'the Elder', hand coloured copperplate engravings from 'Historia Naturalis', 1657.

Paul D Stewart / Illustration of various types of mythical unicorns, also known as monoceros, by engraver Matthaus Merian 'the Elder', hand colored copperplate engravings from Historia Naturalis , 1657.

Paul D Stewart / Illustration of a Vampire bat (Vespertilio vampyrus) by Heath published 1800 in George Shaw 'General Zoology or Systematic Zoology', in which the Vampire bats feeding habits are described. However th...

Paul D Stewart / Illustration of Peeping frog - now commonly called Northern Leopard frog (Rana pipiens) plate by Hill. From George Shaw 'General Zoology or Systematic Natural History 1802.

Paul D Stewart / Illustration of a Black headed uakari (Cacajao melanocephalus) engraving from a sketch by Alexander von Humboldt and Aime Bonpland, included in their volume on comparative zoology and anatomy. The ske...

Paul D Stewart / Illustration of Great auk (Pinguinus impennis) swimming, from Welsh naturalist Thomas Pennant's book 'British Zoology' 1776 .This species, now extinct was last sighted in 1852 on the Grand Banks of Ne...

Paul D Stewart / Portrait of George Shaw (175 - 1813) English zoologist most famous for his illustrated encyclopaedic zoology books such as 'General Zoology'(16 vol s 1809-1826) and with Nodder 'The Naturalist's Mis...

Terry Whittaker / Pine marten (Martes martes) finding bait in plastic tube, left to collect hair samples for DNA analysis to study the interrelatedness and distribution of pine martens. Pine marten research by the Wate...

Terry Whittaker / Pine marten (Martes martes) finding bait in plastic tube, left to collect hair samples for DNA analysis to study the interrelatedness and distribution of pine martens. Pine marten research by the Wate...

Terry Whittaker / Pine marten (Martes martes) finding bait in plastic tube, left to collect hair samples for DNA analysis to study the interrelatedness and distribution of pine martens. Pine marten research by the Wate...

Terry Whittaker / Jacinta Mullins tests DNA samples from small samples of hair to study the interrelatedness and distribution of pine martens. Pine marten research by the Waterford Institute of Technology, Republic of...

Terry Whittaker / Jacinta Mullins tests Pine Marten (Martes martes) DNA samples, to study the interrelatedness and distribution of pine martens. Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Jacinta Mullins tests Pine Marten (Martes martes) DNA samples, to study the interrelatedness and distribution of pine martens. Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Jacinta Mullins tests Pine Marten (Martes martes) DNA samples, to study the interrelatedness and distribution of pine martens. Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pine marten (Martes martes) hair samples for DNA analysis to study the interrelatedness and distribution of pine martens. Pine marten research by the Waterford Institute of Technology, Republic of Ire...

Terry Whittaker / Researcher feeding jam to trapped Pine Marten (Martes martes) Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pete Turner releases Pine Marten (Martes martes) from trap after removing radio collar. Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pine marten (Martes martes) caught to remove radio collar. Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pete Turner weighs pine marten. Part of Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Feeding jam to trapped pine marten (Martes martes) part of Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pete Turner trapping pine martensPine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pine marten (Martes martes) trap, used for Pine marten research by the Waterford Institute of Technology, Republic of Ireland.

Terry Whittaker / Pine marten (Martes martes) research by the Waterford Institute of Technology, Republic of Ireland. Using baited plastic tubes they collect small samples of hair for DNA analysis to study the interrel...

Terry Whittaker / Pete Turner radio tracking pine martens (Martes martes) accompanied by border collie dog, Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pete Turner with traps to catch Pine martens (Martes martes) to remove radio collars. Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pete Turner with traps to catch Pine martens (Martes martes) to remove radio collars. Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pete Turner with traps to catch Pine martens (Martes martes) to remove radio collars. Pine marten research by the Waterford Institute of Technology, Republic of Ireland. August 2008

Terry Whittaker / Pete Turner collecting Pine marten (Martes martes) hair samples. Research by the Waterford Institute of Technology, Republic of Ireland. Using baited plastic tubes they collect small samples of hair f...

Terry Whittaker / Pete Turner collecting Pine marten (Martes martes) hair samples. Research by the Waterford Institute of Technology, Republic of Ireland. Using baited plastic tubes they collect small samples of hair f...

Terry Whittaker / Pete Turner collecting Pine marten (Martes martes) hair samples. Research by the Waterford Institute of Technology, Republic of Ireland. Using baited plastic tubes they collect small samples of hair f...

Terry Whittaker / Pete Turner collects Pine marten (Martes martes) hair samples. Using baited plastic tubes they collect small samples of hair for DNA analysis to study the interrelatedness and distribution of pine mar...

Terry Whittaker / Pete Turner radio tracking Pine Martens (Martes martes) Pine marten research by the Waterford Institute of Technology, Republic of Ireland, August 2008

Paul D Stewart / Portrait of John Gould (14 September 1804 - 3 February 1881). Engraving by T.H. Maguire 1849 as part of the friends of the Ipswich Museum series. Gould was a wildlife illustrator and ornithologist bor...

Paul D Stewart / Toxodon platensis fossil teeth together with the illustrations featured in George Sharf's life-sized lithograph (pl. IV) from 'The Zoology of the Voyage of HMS Beagle' under the supervision of Charles...

Paul D Stewart / Toxodon platensis fossil teeth together with illustrations in George Sharf's lithograph (pl. IV) from 'The Zoology of the Voyage of HMS Beagle' under the supervision of Charles Darwin, Part 1, 'Fossil...

Paul D Stewart / Toxodon platensis fossil teeth together with teeth featured in George Sharf's life-sized lithograph (plate IV) from 'The Zoology of the Voyage of HMS Beagle' under the supervision of Charles Darwin, P...

Paul D Stewart / Illustration of the extinct Falkland Island Wolf or Fox (Dusicyon australis). Hand coloured lithograph, Plate IV, The Zoology of the Voyage of H.M.S. Beagle, edited and superintended by Charles Darwin...

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...

Paul D Stewart / Illustration 'Of the Tiger' (Panthera tigris) a 1607 engraving with later tinting from Edward Topsell's 'History of four Footed Beasts'. Topsell produced one of the first printed English Bestiaries, c...

Paul D Stewart / Illustration of Indian Elephant (Elephas maximus) 'Of the Elephant' a 1607 engraving with later tinting from Edward Topsell's 'History of four Footed Beasts'. Topsell produced one of the first English...

Paul D Stewart / Portrait of Gaius Plinius Secundus, army commander, naturalist and author (23AD to 25 August 79AD). Copperplate engraving from Andre Thevet's 'Portraits et vies des hommes illustres' publ Guillaume Ch...

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...

Mark Moffett / Carol Patton of University of California Museum of Vertebrate Zoology searches for traps in highlands near Darmazar, Kerman Province, Iran

Joel Sartore / Photo Ark / Two Yosemite toad (Anaxyrus canorus) juveniles, side by side, one with mouth open, portrait, Museum of Vertebrate Zoology at U.C. Berkeley, California, USA. Captive. Endangered.