The ostrich lays the largest eggs in the world, weighing up to 1.9 kg. These massive eggs are equivalent to 12-15 chicken ...

An intact, fossilized specimen of the world’s largest egg—of any known species ever on Earth—entered the National Geographic ...

Among the centre's most impressive examples is a rare, complete and colossal egg of the extinct Madagascan elephant bird One of the biggest eggs in the world ... 180 chicken eggs or 12,000 ...