Marie Read / Crested caracaras (Caracara cheriway), midair aggressive interaction between two for access to perch, Martin Refuge, Rio Grande Valley, Texas, USA, March.
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Tony Wu / Malabar pied hornbills (Anthracoceros coronatus) pair engaged in an argument, with their beaks locked together and one bird flipping over the other, Yala National Park, Sri Lanka
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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...
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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...