There are some amazing things happening inside these eggs and they are not even stable enough for me to take them out and candle them yet! 

• The beak becomes visible.

• The wing bends at the elbow.

• The allantois begins to fuse with the chorion.

• The ribs begin to appear.

• The gizzard begins to form.

• The intestines begin to loop.

Here is the MRI picture of the egg:

Click here for Enchanted Learning’s series of printouts all about birds. 

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