Wrangling Rays to Solve a Scientific Mystery
Devil rays are fish with wing-like fins that stretch over nine-feet wide. Every summer, a large population gathers near the Azores, an island chain to the west of Portugal. Why they do so has puzzled scientists. By outfitting some of the rays with a specially-designed camera harness, the "Animals with Cameras" team helps scientists begin to unravel the mystery.
Aired: 02/14/18Video has closed captioning.