Anup Shah,Anup Shah / Male lion (Panthera leo) in confrontation with Cape buffalo (Syncerus caffer). Masai Mara National Reserve, Kenya, July

Danny Green / Common cranes (Grus grus) fighting, Hula Valley, Northern Israel, January

Nick Upton / 2020VISION / Common snipe (Gallinago gallinago) standing upright to challenge Common starling (Sturnus vulgaris) as they forage on the same unfrozen patch of flooded marshland on a sunny winter day. Greylake RSPB...

Paul D Stewart / Photographic portrait of Richard Owen (20, July 1804- 18 December 1892). Woodburytype photograph by Lock & Whitfield published in 'Men or Mark' 1878. Owen was a comparative anatomist and palaeontologi...

Paul D Stewart / Illustrated portraits of Richard Owen (20, July 1804- 18 December 1892) and Thomas Henry Huxley (4 May 1825 - 29 June 1895). Linley Sambourne's illustration for the new 1885 Macmillan edition of Kings...

Paul D Stewart / Portrait of Richard Owen (20, July 1804- 18 December 1892); 1883 portrait in his home study for The Graphic magazine, in the year he retired from the BMNH. Owen was a comparative anatomist and palaeon...

Paul D Stewart / Portrait of Richard Owen (20, July 1804- 18 December 1892), 1889 mezzotint by H.J. Thaddeus with contemporary face but pose taken from an earlier 1852 photograph with dinosaur. Owen was a comparative...