Why are Pink Dolphins pink?

The pink river dolphin is a freshwater river dolphins who lives in the Amazon and Orinoco rivers in South America.

They are also known as Boto.

Although they are bright pink usually, sometimes they are also gray, brown or white.

Usually, when they are excited or surprised they become pinker.

Links to other pages in this site

What Is The Life Span Of A Dolphin?
What Does A Bottlenose Dolphins Look Like?
Where Do Dolphins Live?
What Does It Take To Rescue Dolphins?
Why Are Dolphins Important To Humans?