The seismologist is studying earthquake prediction and disaster prevention.

He is a world-renowned biologist.

He is a world-famous archaeologist.

He is traveling around the world as an ecologist.

He is a world-renowned bacteriologist.

The European water vole is a small mammal native to Europe.

He likes to take a walk in the park at dusk.

Haku is good at counting numbers.

He decided to make a name for himself by starting his own company.

He is knowledgeable about music, but when it comes to cooking, it's a different field for him.