- Who
- Kiwi bird
- What
- 60 percentage
- Where
- ()
The bird eggs with the highest yolk content to egg volume are those of New Zealand's kiwis (order Apterygiformes). Some 60% of a kiwi egg's volume is taken up by yolk, and contains so much nutrient that the kiwi chick does not have to eat for several days after hatching.
