The beautiful song of the common nightingale filled the night sky.

I heard the beautiful song of a common blackbird in the park.

A mourning cloak is flying around the garden.

A globe skimmer is flying over the pond.

We are aiming to kill two birds with one stone with this plan.

The Atlantic puffin is one of the most commonly seen birds in the North Atlantic.

He was considered the wisest among the ignorant, like a bat in the land of the blind.

The Papua fire-eating bird, with its unique appearance, is a bird you won't forget once you see it.

He is interested in geometrical shapes.

He is conducting research on historical kana usage.