Off Argentina's Patagonian coast, whales and their calves dive deep for food - This is the moment several giant migrating fin whales were spotted off the Costa del Sol - 'Mass stranding' of more than 70 pilot whales in Scotland - Rare sighting of fin whales off Costa Tropical in south of Spain - Spring spectacle: Fin whales thrill visitors along Denia's shores - Unexpected number of whales currently swimming off the coast of New England