Since early morning he had been swimming in the river, in company with his friends the ducks. And when the ducks stood on their heads suddenly, as du… - Kenneth Grahame

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Since early morning he had been swimming in the river, in company with his friends the ducks. And when the ducks stood on their heads suddenly, as ducks will, he would dive down and tickle their necks, just under where their chins would be if ducks had chins, till they were forced to come to the surface again in a hurry, spluttering and angry and shaking their feathers at him, for it is impossible to say quite all you feel when your head is under water.