Owls are nocturnal animals, they are active at night.

I saw a horned owl in the park.

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.

Zuku is a nocturnal animal like a horned owl.

She quickly became emotionally attached to the puppy.

Where are you going?

This pig iron is a raw material for making high-quality steel.