![Schematic Diagram of Duck Egg](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Schematic Diagram of Duck Egg
Stylized diagram of the duck egg showing chalaza, yolk, white, germination, membranes, and air pocket
![Cuckoo Cuculus canorus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Cuckoo Cuculus canorus
Cuckoo Cuculus canorus
![Diagram of Duck Egg development Day 1](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of Duck Egg development Day 1
Stylized diagram of the development of a duck egg from being laid until after hatching Day one yolk held in place with chalaza, germinal disc where fertilized chick starts to grow
![Diagram of Duck Egg development Day 12](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of Duck Egg development Day 12
Stylized diagram of the development of a duck egg from being laid until after hatching day twelve feathers start to show eye covered with lid claws formed
![Diagram of Duck Egg development Day 27](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of Duck Egg development Day 27
Stylized diagram of the development of a duck egg from being laid until after hatching Day 27 hatchling squashed inside egg ready to hatch, air cell still shows
![Diagram of Duck Egg development Day 5](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of Duck Egg development Day 5
Stylized diagram of the development of a duck egg from being laid until after hatching day five embryo separates from the yolk, blood vessel network grows and branchesm eye starts to get a colour.
![Diagram of Duck Egg development Day 8](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of Duck Egg development Day 8
Stylized diagram of the development of a duck egg from being laid until after hatching day eight blood vessels carry waste and oxygen, eyelids start to cover eye, beak and egg tooth more clear.
![Diagram of Duck Egg development Duckling chick hatching out still half in its shell](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of Duck Egg development Duckling chick hatching out still half in its shell
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
![Diagram of Duck Egg development Hatched duckling chick](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Diagram of Duck Egg development Hatched duckling chick
Stylized diagram of the development of a duck egg from being laid until after hatching hatched duckling chick