Summer Day with a Sow and her Piglets by Carl Henrik Bøgh, 1875“A Samotherium mother warns an approaching Megalochoerus in Late Miocene Turkey, 7 million years ago.” – Dhruv Franklin, artistWild boar illustration by Ludwig Beckmann from the book Brehms Tierleben, Vol. 3 by Alfred Edmund Brehm, 1900Linnaeus’s mouse opossum (Marmosa murina) by Édouard Traviès from the Dictionnaire universel d’histoire naturelle, atlas, vol. 1 by Charles Henry Dessalines d’Orbigny, 1849Lioness by Édouard Traviès from the Dictionnaire universel d’histoire naturelle, atlas, vol. 1 by Charles Henry Dessalines d’Orbigny, 1849Illustration by Charles Herrmann-Léon from the book Domesticated Animals, their Relation to Man and to his Advancement in Civilization by Nathaniel Southgate Shaler, 1895Woodcut from the book List of the Vertebrated Animals Now or Lately Living in the Gardens of the Zoological Society of London by the Zoological Society of London, 1896Rabbits in the Rain by John Lechner, 2021From the book Strange Dwellings by JG Wood with illustrations by WF Keyl, JB Zwecker and E Smith, 1903Foster moms from The Book of the Animal Kingdom by William Percival Westell, 1910From the book The Royal Natural History, Volume 2 by Richard Lydekker, 1893From the book The Royal Natural History, Volume 4 by Richard Lydekker, 1893