Menacing orcas sank another tourist yacht off the coast of Portugal before a family was rescued by the Portuguese air force.

MENACING orcas sank another tourist yacht off the coast of Portugal before a family was rescued by the Portuguese Air Force. The air force was mobilised to save the family of five from their yacht ...

While well documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in Australia. However, orcas are actually sighted year-round in all coastal ...