Story transcript. Twenty years ago, British shop-keeper Richard Thorns became obsessed with a duck. Not just any duck: a pink-headed one. The obsession is all about seeing the duck in the wild.

The pink-headed duck gave up its secrets under laser light. The bird’s rosy head feathers were colored by carotenoids, a type of naturally occurring pigment.

To prove that a colorful duck is not extinct. This week, he launches a seventh expedition into the inaccessible wilds of Myanmar to search for the pink-headed duck that hasn’t been seen alive ...

Richard Thorns launches a seventh expedition into inaccessible wilds of Myanmar to search for pink-headed duck that hasn't been seen alive since 1949, and that was in India ...