On the other hand, since after the early Jomon period, the development of foraging and fish catching as well as the advancement of the settled way of life lead to the increase of ambush hunting with pitfalls.
一方で、縄文時代前期以降は採集・漁撈の充実および定住生活のいっそうの進展とともに落とし穴を利用する待ち伏せ狩猟も増加していくのである。