My favorite song is Aegukka.

He started singing The Internationale.

The tyrant flycatcher is known for its beautiful plumage and unique call.

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

It's a family tradition to roast and eat a turkey at Christmas.

The horned puffin lives in the cold waters of the North Pacific.

This cave is rich in guano.

I saw a red-crested cardinal in the park.

Every day, a chicken visits my garden.

The southern cassowary, a large bird native to Australia, is known for its beautiful feathers.