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Efficient Swimming

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Rev. Green | 16:49 Sat 27th Apr 2019 | Science
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Ducks fly in V-formation to save energy. When swimming, should the V be sharper or flatter? Does it depend on viscosity, or speed of sound in the medium, or both?

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'' Speed of sound in the medium'' ?

Also, do ducks swim in a V formation ? I've only seen them swimming in line-ahead, as a family.
Just had a look out of the window - the ducks as usual are swimming around quite randomly, no formation noticeable apart from some ducklings following Mum (well most of them).
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Make it geese then.
I'll go and look.
Read this, probably will give you more of a scientific answer
https://digitalcommons.wcupa.edu/cgi/viewcontent.cgi?article=1005&context=bio_facpub
Prudie is quite right, stick with the science - I have to go and feed them now they've seen me spying.

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Efficient Swimming

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