Largest bird egg ever

Largest bird egg ever
Who
Elephant bird (Aepyornis maximus)
What
33 cm / 8.5 litres dimension(s)
Where
Madagascar
When
1,000 years ago

The extinct Madagascan elephant bird Aepyornis maximus (or possibly Vorombe titan) laid eggs measuring up to 33 cm (13 in) long and with a liquid capacity of 8.5 litres (2.25 US gallons). The latter is the equivalent of seven ostrich eggs, 150-180 chicken eggs or more than 12,000 hummingbird eggs!

Elephant birds became extinct about 1,000 years ago and were endemic to the island of Madagascar, off the coast of Africa.

Its eggs were the largest ever single cell to have existed, and were bigger than any known dinosaur eggs.