We went to the zoo with our family on the weekend.

Ruminants have the characteristic of re-chewing food after swallowing it once.

His tribe has been practicing zoolatry since ancient times.

The animal kingdom is incredibly diverse, and it is said that there are still species that have not been discovered.

The animal kingdom is known for its diversity and complexity.

My father is an ichthyologist and has a deep knowledge about marine life.

He always likes to be pedantic, explaining things down to the smallest detail.

He is a beginner in Japanese.

He is a world-renowned biologist.

He is a world-famous archaeologist.