Aesop's fables generally communicate some kind of moral message, often through the depiction of animals, who speak or otherwise take on human characteristics.
Stories for Kids || Aesop's Fables || The Swallow & the Other Birds

The Swallow & the Other Birds

It happened that a Countryman was sowing some hemp seeds in a field where a Swallow and some other birds were hopping about picking up their food. ‘Beware of that man,’ quoth the Swallow. ‘Why, what is he doing?’ said the others. ‘That is hemp seed he is sowing; be careful to pick up every one of the seeds, or else you will repent it.’ The birds paid no heed to the Swallow’s words, and by and by the hemp grew up and was made into cord, and of the cords nets were made, and many a bird that had
despised the Swallow’s advice was caught in nets made out of that very hemp. ‘What did I tell you?’ said the Swallow.

Destroy the seed of evil, or it will grow up to your ruin.

The Bat, the Birds, and the Beasts - Stories for Kids : Aesop's Fables

Aesop's fables generally communicate some kind of moral message, often through the depiction of animals, who speak or otherwise take on human characteristics.
Stories for Kids || Aesop's Fables || The Bat, the Birds, and the Beasts

The Bat, the Birds, and the Beasts

A great conflict was about to come off between the Birds and the Beasts. When the two armies were collected together the Bat hesitated which to join. The Birds that passed his perch said: ‘Come with us"; but he said: ‘I am a Beast.’ Later on, some Beasts who were passing underneath him looked up and said: ‘Come with us"; but he said: ‘I am a Bird.’ Luckily at the last moment peace was made, and no battle took place, so the Bat came to the Birds and wished to join in the rejoicings, but they all turned against him and he had to fly away. He then went to the Beasts, but soon had to beat a retreat, or else they would have torn him to pieces. ‘Ah,’ said the Bat, ‘I see now,

‘He that is neither one thing nor the other has no friends.’