An eagle, cat, and sow lived together in a tree: eagle on top, sow at the bottom, and cat in-between.
The cat said to the eagle, "Beware: the sow is digging up the tree's roots in order to topple it and eat your chicks."
To the sow she said, "The eagle craves your little piglets."
The eagle dared not leave her chicks unguarded, nor did the worried sow venture forth to find food, so they both finally starved to death.
The cat and her kittens then had the whole tree to themselves, and they fed on the chicks and piglets.
Inspired by: Fables of Aesop and Other Eminent Mythologists by Roger L'Estrange, 403.
Notes: This is Perry 488.
Here is an illustration by Edward Eksergian: