what do i do?

[lace03]

this chick has a really thin string like thing attached to its rear end connecting it to its egg shell. should i just leave it to fall off itself or should i cut it?

i’ve circled the string in the picture

 

[JacinLarkwell]

Keave it alone

 

[lace03]

Keave it alone

that’s what i figured, but i wanted to make sure. thank you!!