Why do birds sing? Because they’re all on drugs – The Guardian

Name: Jazz.
Age: Much older than you think.
Appearance: Small, feathery, fond of worms.
Sorry, Im not good at jazz lingo. What does feathery mean? It means covered in feathers, like a bird.
Oh, its a metaphor. No, its a real-life description. Jazz is feathery like a bird, because birds invented jazz.
That sounds incorrect. Tell that to the biologist Lauren Riters from the University of Wisconsin-Madison. She has determined that birds have two types of song, purposeful ones, such as those de…

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