He chose euthanasia to be freed from the pain of his illness.

He is an expert in musicology.

I ate delicious ramen in Kagurazaka.

He always does perfect work, but he made a mistake today. Well, even monkeys fall from trees.

Seeing his failure, we laughed like a monkey's butt.

The Monkey-eating Eagle, also known as the Philippine Eagle, is the national bird of the Philippines and is listed as an endangered species.

Capuchin monkeys are considered to be very intelligent.

Old World monkeys primarily inhabit Africa and Asia.

The black lemur lives in Madagascar.

The siamang resonates the forest with its distinctive voice.