Tiger moths can block a bat's sonar!

The tiger moth's biggest predators are bats. It makes sense, then, that they are engaged in an evolutionary race for their survival. The tiger moth has developed a keen ear for sonar signals that bats emit, which helps them avoid being eaten.

But their abilities don't stop there. Tiger moths can also release 4,500 clicks per second. What this does is it jams a bat's sonar ability, and makes them hard to find through echolocation. The tiger moth's technique works much like a jammer can block a phone signal, and is 93% effective in making bats miss them.
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