The owl known as Athena's sacred animal because owls are known for being wise animals and Athena is the goddess of wisdom and war so it just gladly became Athena's sacred animal.
I'm Athena. I am a wisdom and war goddess, I was believed to be born from the head of Zeus, my father.
Since Athena couldn't be dominated by other goddesses such as Aphrodite and Aphrodite was a palace goddess she could not be violated.
Athena's little owl usually represents or accompanies her. Known as the little virgin goddess of wisdom.
Athena is the goddess of wisdom and war because she was the daughter of Zeus. They says sprang from Zeus's head ,full grown and clothed in armor. They also said Athena was a ferce and ruthless warrior.