TIL The water boatman insect, which is 2mm long, sings at an amazing 99.2 decibels, which is the equivalent of standing by a hurtling freight train., making it the loudest animal for its size yet discovered. Even more impressive is that it makes this sound by rubbing its penis on its belly.

https://sonicfield.org/loudest-animal-sound/
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1g9smsf/til_the_water_boatman_insect_which_is_2mm_long/