The song of most small birds just sounds like a stream of tweets and whistles to us, but if you slow them down, you can get a wonderful feel for what’s going on.
Here’s a nice compilation of lots of them. I like the little wren at the beginning, the (rather quiet) skylark at about 17:57 has a nice rhythm when slowed down, and the song thrush that follows him is quite fun. If other birds can pick out these details, you can imagine there might be quite a lot of communication going on.
The real star, however, is the Veery Thrush, whom you can hear in this slowed-down clip. He’s the subject of the rather fun New Scientist article, which was what first caught my attention.
Now, I wonder if you sped up a clip of cows mooing, you could get a similar effect?
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