The Birds, the Beasts, & the Bat
It was a terrible battle. Many a Hare and many a Mouse died. Chickens and Geese fell by the score—and the victor always stopped for a feast.
Now the Bat family had not openly joined either side. They were a very politic race. So when they saw the Birds getting the better of it, they were Birds for all there was in it. But when the tide of battle turned, they immediately sided with the Beasts.
When the battle was over, the conduct of the Bats was discussed at the peace conference. Such deceit was unpardonable, and Birds and Beasts made common cause to drive out the Bats. And since then the Bat family hides in dark towers and deserted ruins, flying out only in the night.
The deceitful have no friends.