This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/MarzipanBackground91 on 2025-04-26 15:42:00+00:00.

Original Title: TIL during WWII, the U.S. developed bat bombs, attaching napalm to hibernating Mexican free-tailed bats to ignite Japanese cities. Tested in 1942-43, the project caused accidental fires in US military camps but was canceled in 1944 for the atomic bomb