The dept of conservation in NZ is using a similar thing in remote locations to detect the call of a bird that we haven't seen in a while. It is thought to be ex

The dept of conservation in NZ is using a similar thing in remote locations to detect the call of a bird that we haven't seen in a while. It is thought to be extinct, but we thought the takahe was extinct too. From memory it's the one shown at the end of ”Hunt for the Wilderpeople”. Keep it skux.