Owls are nocturnal animals, they are active at night.

An opossum is a nocturnal animal.

We headed to Kyoto by night bus.

We traveled to Kyoto by night bus.

He was trembling in fear of the night parade of demons.

Education about sex is very important.

The Monito del Monte, also known as the Dromiciops gliroides, is a unique species in South America and a very rare animal.

I saw many animals at the zoo.

I headed to Kyoto on the night train.

His nature is very kind.