Can anyone tell me how this happened?

[Einna]

Last pic is of the parents, they're silkies. I've only had black and some black with leakage hatch. This one doesn't have black feet or beak but it does have 5 toes on each foot.

 

[The Moonshiner]

Somebody been messing around.

 

[nuthatched]

Can you get front or side pictures of the parents?

 

[Einna]

I only have one rooster and it was definitely a silkie egg

Somebody been messing around.

 

[Einna]

Can you get front or side pictures of the parents?

Not great pics but the best I can get.