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Still Waters

Turtle passes waste urea through its mouth

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Chinese soft-shelled turtles pass waste through their mouths, scientists in Singapore have found.

Biologists were puzzled by the turtle's behaviour because, despite using its lungs to breathe air, it often submerges its head in water.

By testing the water, they found that the reptile was excreting urea through its mouth instead of its kidneys.

The discovery adds to previous research, which suggested the turtles have highly specialised mouth tissues.

http://www.bbc.co.uk/nature/19883278

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No wonder you never see turtles kissing...

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That's gross... but the turtles seem to have no problem, have they?

Edited by ShadowOfMothman

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Talk about a **** eating grin, eh? Gross.

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Gross, makes something want to come out of my mouth.

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