The animals were thought to have moved away from the shallow waters of Loch Carnan in South Uist, but returned later on in the day.
However, marine experts said the whales have not been seen since yesterday evening and are now thought to have left the loch. Their apparent departure follows the death of one of the animals, whose body was discovered on an island in the loch.
A post-mortem examination carried out on the whale has suggested it died of an infection. Dave Jarvis, of the charity British Divers Marine Life Rescue (BDMLR), said: “It appears that what has been witnessed is a group of these extremely social creatures accompanying an ill individual and that the infection may have caused this animal to strand. Read more
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