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. While you might feel sorry for the ostrich, other birds have ...
the egg measures 1ft (30cm) across and is large enough to hold seven ostrich eggs, 180 chicken eggs or 12,000 hummingbird eggs. Elephant birds were once a common sight in Madagascar. They weighed ...