Why are Amazon river dolphins pink: Here's the surprising science behind their unusual colour

A flash of pink in the murky waters of the Amazon can seem almost unreal. Among tangled roots, flooded forests and ...
Newsday

Endangered pink river dolphins face a rising mercury threat in the Amazon

PUERTO NARINO, Colombia — A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of river ...