New research finds that one species of moth is capable of
actively jamming the sonar used by moth-hunting bats. This
biological equivalent of the 'electronic countermeasures' used
by the military to jam radar and sonar signals is described in
the journal Science. In the study, researchers used ultrasonic
recording and high-speed infrared video to examine the
relationship of bats and a tiger moth known as Bertholdia
trigona. They found that sudden bursts of ultrasound emitted by
the tiger moth appears to actually jam the bat's sonar, not just
startle the bat or warn of a bad-tasting moth. We'll find out
more. Produced by Flora Lichtman, Correspondent and Managing
Editor, Video