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.

I avoid eating animal products.

He is deeply involved in the animal liberation movement.

Protozoans are single-celled organisms.

As the name suggests, chordates are a group of animals that have a notochord.

They appear to be antagonistic on the surface, but in reality, they are seemingly not part of the same group.

The blue-ringed octopus is a very dangerous creature, its venom can kill a human.

On a winter night, I could hear the sound of the winter wind blowing through a bamboo fence.