Scientists and conservationists are once again puzzled over the behaviour of whales - with two different pods of pilot whales beaching themselves this weekend on either side of the Atlantic.

A pod of 26 pilot whales stranded themselves off the coast of Fife in Scotland.

Crowds of on-lookers gathered to watch the massive rescue and relief operation.

13 of the 26 whales did not make it.

And in a strange coincidence... another pod of whales beached themselves along the coast of south-central Florida in the U.S.

This time, 22 pilot whales stranded themselves near Fort Pierce.

Only five whales survived.

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