Drawing by Adam Hochreiter from last part of 16th century, after 1585. This shows the rhinoceros in Madrid at the time. Universitats- und Landesbibliothek Tyrol, Sign. MS 1 b 42. More information in Haag, S., 2015. Echt Tierisch: die Menagerie des Fursten. Innsbruck, Schloss Ambras, pp. 132-133
