Some penguins can grow up to 45 inches tall and weigh up to 100 pounds, so when a group gathers on an iceberg, it’s no surprise that the added weight can cause it to tip.

The world's biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote island off Antarctica that's home to millions of penguins and seals.

A23a: World's largest iceberg on collision course with remote British island threatening penguins and seals - Iceberg double the size of Greater London is heading towards South Georgia, a British ...

The world's biggest iceberg — a wall of ice the size of Rhode Island — is lumbering toward a remote island off Antarctica that's home to millions of penguins and seals.

The massive A23a iceberg, covering around 3,500 square kilometers (1,350 square miles), broke off from the Antarctic shelf in 1986 and remains the world's largest and oldest iceberg.

The largest iceberg in the world is headed toward an island with a massive population of penguins and seals, according to satellite tracking from NOAA. The trillion-ton slab of ice that scientists ...

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 ...

You’ll never forget one of the world’s greatest wildlife encounters – but nobody tells you penguins have stinky feet, not happy feet.

ANTARCTICA: Iceberg, right ahead! For Sunnyvale’s Carla Klein, a close-up view of icebergs, penguins, seals and whales were among the highlights of a trip to Argentina and Antarctica earlier ...