A regular visitor to Donegal has captured stunning video footage and photographs of humpback whales feeding off Sliabh Liag.
Brendan Quinn is from Strabane from has been visiting the Gaoth Dobhair area weekly for many years.
He has been helping a student to check the DNA of the whales. On the day when this footage was captured, Brendan also spotted dolphins and was surrounded by a shoal of around 100 bluefin tuna, as well as smaller fish such as sprat, young herring, sandeels and garfish (needle eye).
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