The lyrebird can perfectly mimic complex sounds like chainsaws, camera shutters, and car alarms.
Why it is true
This Australian bird possesses the most complex syrinx in the world, allowing it to accurately reproduce almost any sound it hears in its environment, including human voices.
Source: Ornithology
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.