Rare Pink Dolphins Return To Hong Kong Waters

I've been studying these dolphins since 1993 and I've never seen anything like this dramatic change before, and the only thing that changed is 200 ferries stopped traveling, Dr. Lindsay Porter, a senior research scientist with the University of St Andrews, told The Guardian. They are spending much more time socializing or splashing around on the surface. Seeing them playing, to see them having a good time, that was really great to see.