子熊のブブブブ鳴き
https://twitter.com/yusai00/status/1527575104288346112?t=YccT_JcIhIZHsWDOJgKYIQ&s=19
https://twitter.com/aki_safariland/status/1514501624848580609?t=9Gw1zN6sOP4iiNNtSbXw0Q&s=19