These are works by “the greatest French artist of all time,” according to Louis XIV. Charles Le Brun (1619-1690) used his artistry to compare human and animal faces, later inspiring Charles Darwin to write The Expression of the Emotions in Man and Animals.
Bear
Boar
Camel
Cat
(via Charles Le Brun)
Cow
Crow
Donkey
(via Charles Le Brun)
Eagle
Goat
Horse
(via eBay)
Lion
Lynx
(via eBay)
Monkey
Owl
Ox
Parrot
(via Xiaoyang85)
Pig
Rabbit
Raccoon
Ram
Wolf
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The images are from Wellcome Library, except when noted otherwise.