He is an expert in ornithology, studying types of birds all over the world.

This rock contains sanidine.

He believes that he has supernatural powers.

I saw a woodpecker pecking at a tree.

A coronal is a sound that is pronounced using the tip or the upper part of the tongue.

The wild turkey is the national bird of America.

The bird of paradise spread its beautiful wings and took off.

The beautiful feather color of the bird of paradise captivates the eye.

The anglerfish is a rare fish that lives in the deep sea.

I have a sterlet in my aquarium.