The Japanese river otter, once common throughout Japan, is now extinct due to habitat destruction and hunting.

The Taisho period, which lasted from 1912 to 1926, was marked by political instability and social change, including the rise of labor unions and women's rights movements.

Yakiniku, a dish made with grilled meat and vegetables, is a popular Japanese dish that is often served in restaurants where diners cook the meat themselves at the table.