Pink Dolphin

picture taken by: http://www.lavanguardia.com/natural/20151130/30501596790/delfines-rosas-extincion-hong-kong.html

Of the five species of dolphins that live in the rivers, the most popular is the pink dolphin also known as Boto, boutu or Amazon river dolphin, because living in the Amazon River. Among the species of river dolphins, Amazon pink dolphins are considered the most intelligent, with a brain capacity 40% higher than the humanos.Los beings river dolphins are among the most endangered species among all cetaceans in the world.

http://www.colgadoporlosnewtons.es/2013/05/delfines-rosa-en-peligro.html