As the phrase 'If it does not sing, let's wait until the cuckoo sings' suggests, we should wait patiently until the opportunity comes.

He is still in a state of not yet having a success for a long time.

Recently, this store has become so quiet that you can hear a pin drop.

The barn owl is a nocturnal bird and is popular for its beautiful appearance.

The barn owl is a nocturnal bird, and its beautiful appearance fascinates people.

The Eurasian pygmy owl is a small owl from Eurasia, and its beautiful appearance fascinates those who see it.

The little owl is a nocturnal bird that mainly eats small mammals and insects.

The boreal owl is a beautiful bird that lives in the north.