This video is called Pilot whale & lady swimmer.
Ecomare museum on Texel island in the Netherlands reports today on a cetacean, beached on Schouwen island in Zeeland province on 17 December 2014.
The marine mammal had died a long time before stranding. Much of its body had decomposed. After research at Utrecht University, people found out this was a male long-finned pilot whale.
Another pilot whale beached in the Netherlands: here.