Rebellious orcas that have developed a reputation for wrecking luxury yachts could actually be bored youth that have been left unsupervised by older relatives, according to experts.
The endangered population, who live off the coast of Gibraltar, have launched a series of attacks on passing vessels in recent years, including ripping the rudders right off boats in some cases and sinking luxury yachts. Their behaviour has included ramming, biting and nudging the boats.
