An Owl held a party. Dove wanted to leave early but as others left and were insulted by the Owl Dove stayed and left last so no-one would hear the insult.
Slander wounds; do not berate others.
A lazy Cuckoo let a Hedge-sparrow hatch and rear her young and then complained to an Owl when the young flew off without acknowledging the Cuckoo.
Do not expect from others that which you cannot give in return.
An Owl resided in a library and mistook gravity for wisdom. A Nightingale sang to the Owl’s displeasure. Nightingale chided Owl as learned but not wise.
One can be learned but not wise.
A young Owl wanted to marry the daughter of the Eagle. A Crow presented the proposal. The Eagle said OK if the Owl would meet at sunrise. No marriage.
Know your place.
Minerva begged her Owl to speak wisely. The Owl demurred but on threat admitted that with world being so depraved it was better to hold his tongue.
If you have nothing nice to say then don’t say anything.
Night birds got together in shade and said the Sun was a problem. The Sun overheard but was kind enough to just shine on and not burn them.
Hope that a strong enemy does not exert its strength.