This video is called Solstice – Scotland’s Basking Sharks.

From Wildlife Extra:

Second year of Basking shark tagging gets underway off Scotland

The second year of a project to track basking sharks in Scottish waters gets underway

July 2013. Scientists from Scottish Natural Heritage (SNH) and the University of Exeter are heading out to the Inner Hebrides to tag another 27 of the huge sharks with satellite tracking tags. The tags, which let the public follow the movements of a number of the sharks online, will collect data that will give the team an insight into their behaviour during the summer months.

The work is part of a wider programme of marine research led by SNH and Marine Scotland, to help Government and others plan for the sustainable management of the sea. Results from the tagging project will help the Scottish Government decide whether a Marine Protected Area