Seven-metre long Spot was seen with 10 minke whales and hundreds of dolphins off Donegal's coast.
Read moreBy Louise Cullen
BBC NI agriculture and environment correspondent

Speaking to the BBC, Ukraine's leader stresses that the counter-offensive is not a Hollywood movie.

Speaking to the BBC, Ukraine's leader stresses that the counter-offensive is not a Hollywood movie.

The World Bank says many years of financial support are needed as London hosts a major conference.

Many migrants leave from Tunisia by boat to reach Europe, but the consequences can be tragic.

French officials say the searches are part of two earlier preliminary corruption investigations.

A wave of air attacks is reported on Kyiv and other cities - but no-one is injured, officials say.

Andrew Tate and his brother charged in Romania over human trafficking and sexual exploitation.

Ukraine says three of the 11 men are now free but the two countries are still at loggerheads.

Speaking to the BBC, Ukraine's leader stresses that the counter-offensive is not a Hollywood movie.

The World Bank says many years of financial support are needed as London hosts a major conference.

Many migrants leave from Tunisia by boat to reach Europe, but the consequences can be tragic.

French officials say the searches are part of two earlier preliminary corruption investigations.

A wave of air attacks is reported on Kyiv and other cities - but no-one is injured, officials say.

Andrew Tate and his brother charged in Romania over human trafficking and sexual exploitation.

Ukraine says three of the 11 men are now free but the two countries are still at loggerheads.

The World Bank says many years of financial support are needed as London hosts a major conference.

Many migrants leave from Tunisia by boat to reach Europe, but the consequences can be tragic.

French officials say the searches are part of two earlier preliminary corruption investigations.
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