This is a folktale of the Hausa, a farming culture of around 30 million people, located primarily in Nigeria and Niger but with other communities scattered around Africa. I find the different cultural assumptions revealed to be... attention-catching; you wouldn't find a tale like this in Aesop. From Hausa Tales and Traditions by Frank Edgar and Neil Skinner; HT Robert Greene.

The Farmer, the Snake and the Heron

    There was once a man hoeing away on his farm, when along came some people chasing a snake, meaning to kill it. And the snake came up to the farmer.
    Says the snake "Farmer, please hide me." "Where shall I hide you?" said the farmer, and the snake said "All I ask is that you save my life." The farmer couldn't think where to put the snake, and at last bent down and opened his anus, and the snake entered.
    Presently the snake's pursuers arrived and said to the farmer "Hey, there! Where's the snake we were chasing and intend to kill? As we followed him, he came in your direction." Says the farmer "I haven't seen him." And the people went back again.
    Then the farmer said to the snake "Righto - come out now. They've gone." "Oh no" said the snake, "I've got me a home." And there was the farmer, with his stomach all swollen, for all the world like a pregnant woman!

    And the farmer set off, and presently, as he passed, he saw a heron. They put their heads together and whispered, and the heron said to the farmer "Go and excrete. Then, when you have finished, move forward a little, but don't get up. Stay squatting, with your head down and your buttocks up, until I come."
    So the man went off and did just exactly as the heron had told him, everything. And the snake put out his head and began to catch flies. Then the heron struck and seized the snake's head. Then he pulled and he pulled until he had got him out, and the man tumbled over. And the heron finished off the snake with his beak.
    The man rose and went over to the heron. "Heron" says he, "You've got the snake out for me, now please give me some medicine to drink, for the poison where he was lying."
    Says the heron "Go and find yourself some white fow...

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