Note that there is a bit of subterfuge in this -- some or all of the lyrebirds mimicking were in captivity and would have heard these unnatural sounds much more

Note that there is a bit of subterfuge in this -- some or all of the lyrebirds mimicking were in captivity and would have heard these unnatural sounds much more than the typical wild bird. https://theconversation.com/lyrebirds-mimicking-chainsaws-fact-or-lie-22529 https://theconversation.com/lyrebirds-mimicking-chainsaws-fa...