The biggest iceberg on Earth is heading toward a remote island, creating a potential threat to penguins and seals inhabiting the area.

The world's largest iceberg, A23a, is on a collision course with South Georgia Island, raising alarms for local wildlife. Penguins and seals may face starvation as the massive ice block disrupts access to their feeding grounds.

The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist warns it risks disrupting feeding for baby penguins