Why don't you write about this !
It includes both, music and animals !
It is a new discovery pertaining to hummingbirds.
I don't have all the details on who and where this study took place but,
It is recent and was conducted at some college or university in the U.S.
The discovery has to do with
Some, if not all species of hummingbirds.
The male, or males while flying around to court the females,
Go into a dive and give out a " chirp " ,
It is while studying this " chirp " that they discovered that,
The bird is not using it's mouth and or talk box/vocal chords
To produce this sound,
It is produced by fanning out it's tail feathers for an instant,
And the feathers actually vibrate ,
Not unlike vocal chords vibrate to create sound !
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