Red wolf, Canis lupus rufus (critically endangered), and silver fox, Vulpes vulpes.

This image could have imperfections as it’s either historical or reportage.

Red wolf, Canis lupus rufus (critically endangered), and silver fox, Vulpes vulpes. Handcoloured copperplate stipple engraving from Frederic Cuvier's "Dictionary of Natural Science: Mammals, " Paris, France, 1816. Illustration by J. G. Pretre, engraved by Nargeot, directed by Pierre Jean-Francois Turpin, and published by F.G. Levrault. Jean Gabriel Pretre (1780~1845) was painter of natural history at Empress Josephine's zoo and later became artist to the Museum of Natural History. Turpin (1775-1840) is considered one of the greatest French botanical illustrators of the 19th century.