He is an expert in ethology, and his research is highly regarded worldwide.

He is studying about ancient animal worship.

As the name suggests, onychophorans are a unique group of animals that have claws.

He has a deep interest in paleozoology.

He is an expert in paleozoology and has a deep knowledge about the ecology of dinosaurs.

We are planning to go to the science museum tomorrow.

My younger sister says she wants to become a pediatrician.

The sexology class is very interesting.

Tachyglossidae is a type of mammal with a unique appearance.

My brother works as a psychiatrist.