How long is a hummingbirds tongue?

Ruby throated hummingbird, Rondeau Provincial Park, Ontario, Canada, Sept 4, 2020.

Didn't realize I had caught it stick his tongue out.
Archilochus colubris
It turns out that hummingbirds use their tongues as elastic ‘micropumps’, which work in a similar way to how we drink from straws. Only they use elastic energy stored at the base of the tongue to bring up nectar, rather than creating a vacuum in a straw like we do. It’s more like how we take up liquids using a squeezy pipette.
And this is going on at seriously high speed – a hummingbird’s tongue will go in and out of a flower up to twenty times per second!

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