Closely related are the entries in his bestiary, a compendium of short tales of animals and moral lessons based on their traits. Bestiaries were popular among the ancients and in the Middle Ages, and the spread of printing presses meant that many were reprinted in Italy beginning in the 1470s. Leonardo had a copy of the bestiary written by Pliny the Elder and three others by medieval compilers."
( Walter Isaacson )
[ Leonardo da Vinci ]
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