Three sailors are shipwrecked on an island. They are sending smoke signals to catch the attention of a passing aeroplane. But only one of their signals has reached the pilot. Can you tell whose smoke signal is it?
Mimicry is an art wherein a person imitates the voice of another. This talent is not restricted to just humans. There are birds that can mimic our voices and even learn an entire language! Parrots are commonly known to imitate sounds.