S36 E10: Wrangling Rays to Solve a Scientific Mystery

Aired: 2/14/2018 | 0:02:42 | Clip
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.