Original air date: 03 Jan 2022
The table below shows a timeline of what happens in the programme
How do birds sing?
Birds can make much more complicated sounds the we, humans, can do because their vocal chords are more finely tuned, their left and right parts can be tuned separately (different colours in the picture, from ca. 14′-15’10).
Scientific analysis of a bird song
The results from these finely tuned songs can be seen in spectrograms like the one below
One of many spectrograms (16′) taken from the programme. Each white line represents a tiny part of a bird song.