This illustration shows an Ezo Wolf (also known as a Hokkaido Wolf); which is believed to have gone extinct in the late 19th century; after this illustration was made. The animal is seen here with its paw on a human skull.

The Kaikidan Ekotoba is a mid-19th century handscroll that profiles 33 legendary monsters and human oddities; mostly from the Kyushu region of Japan; but with several from other countries; including China; Russia and Korea. The document; whose author is unknown; is in the possession of the Fukuoka City Museum.