I need Predator help.

[RJWilson95]

What will leave the shell of the egg behind and want atleast to my knowledge mess with the chickens?

 

[ChickensAreSweet]

Squirrels eat eggs. I had one swipe a fake egg from a nest. However, I don't know if they will eat the egg right there.

 

[GentFarmer]

There are several sites listing predator calling cards.

http://www.grit.com/animals/predators-of-chickens.aspx?PageId=2#ArticleContent

Based on your description, I'd think a skunk.

 

[RJWilson95]

Thanks we have had problems with squirrels and dogs. we have had a few good size flocks but then here comes the dogs. But i am hoping to fix that problems this spring/summer when I get a chance.