No longer available to stream
Date Added: 2nd May 2019
Date Removed: 6th November 2019
Available for: 6 months
As pollution was taking its toll, scientists warned people that the seals of the Baltic Sea would not survive. Most were sterile and others were caught in fishing gear. Then, a virus hit the shores and killed many more. However, after a three-year recovery, the seal song can be heard again.
Duration: 49 min