Le zebre mâle [male zebra]
[click to enlarge]
Nouvelle description du Cap de Bonne-Espérance
Carel Frederik Brink 1758-1784
Amsterdam, Chez J.H. Schneider, 1778.
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In contrast to the "female zebra" this depiction of the male has the zebra's traditional stripe pattern, suggesting they may have seen the difference in stripe pattern as a difference in gender.