Today, the biggest egg you can get your mitts on is that of an ostrich. The biggest of those eggs on record weighed in at an impressive 2.589 kilograms (5.7 pounds), or about the weight of a small house cat. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

It’s hardly surprising, given they’re the world’s largest birds, and they have footballs for eggs to show for it. If we take into account all the animals the world’s ever seen, however, the ostrich egg isn’t all that impressive compared to those of some extinct giants.

Once upon a time (well, about 1,000 years ago), a 3-meter (10-foot) -tall behemoth stomped across Madagascar laying the biggest eggs the world’s ever seen. They were known as the elephant birds, with one in the genus

See Full Page