The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.

The Japanese sparrowhawk is a small bird of prey that is found throughout Japan and is known for its agility and speed.

The Japanese spider crab is the largest arthropod in the world, with a leg span of up to 4 meters (13 feet).