Hen has one wattle shorter than the other?

[Crazyabouthens]

wasn't sure what title to put this under but anyway I have this hen named Martha that I got a couple of weeks ago but she appears to have a wattle this is quite a bit shorter than the other wattle! I just wondered if anyone knows if there's a reason for this or if that's just the way she was born ill attach a pic

 

[MysteryChicken]

Almost looks as if it was cut off, & it healed up.

 

[coach723]

Could have been from an old injury. I've had some birds like that, just how they developed. It never caused any problems for them.