what bird lays the largest eggs

The bird that lays the largest eggs of any living species is the ostrich.

Quick Scoop: Short Answer

• The ostrich, the world’s largest bird, lays the world’s largest bird eggs.

• A typical ostrich egg is about 15–18 cm long and can weigh around 1.5–2 kg.

• By contrast, the kiwi lays the largest egg relative to its body size, but its eggs are still smaller in absolute size than an ostrich egg.

Largest Eggs (Living Birds)

• Ostrich : Largest egg by size and weight among living birds; around 15 cm long and up to roughly 2 kg.

• Emu & other ratites (emu, cassowary, rhea): Also lay very large eggs, but all are smaller than those of an ostrich.

So if the question is “what bird lays the largest eggs?” , the clear factual answer is: the ostrich.

TL;DR: Ostriches lay the largest eggs of any living bird, while kiwis win only if you compare egg size to the mother’s body size.

Information gathered from public forums or data available on the internet and portrayed here.