The trillion-ton slab of ice — called a megaberg — could slam into South Georgia Island, making it hard for penguin parents to feed their babies and some young could even starve.

The world’s biggest iceberg — a 130-foot (40-meter) tall wall of ice the size of Rhode Island — that had shaken loose of its mooring is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals.

The trillion-ton slab of ice named A23a could slam into South Georgia Island and get stuck or be guided around it by currents.

The world’s largest iceberg – A23a – continues to move along its collision course with the remote British island of South Georgia. If previous iceberg crashes are anything to go by, a bump with this icy behemoth could be a catastrophe for their resident seals,