Diagram of Duck Egg development Duckling chick hatching out still half in its shell
![Diagram of the development of a duck egg duckling chick hatching out natural history illustration by Lizzie Harper](https://lizzieharper.co.uk/wp-content/uploads/2018/04/duck-egg-hatching-500x291.jpg)
Stylized diagram of the development of a duck egg from being laid until after hatching duckling hatching half in half out of shell with prominent egg tooth
Stylized diagram of the development of a duck egg from being laid until after hatching duckling hatching half in half out of shell with prominent egg tooth