Turkin's comb is black!

[sharon53]

It's been below zero here in Helena, but all 8 turkeys, 2 star hens, & 10 bantam chickens are fine.
But this morning as I was watering the birds I got a good look at Turkin & saw his comb had turned black. Has it been frozen? If that' s the case, why are all my others just fine?

 

[Heartlandrabbitry]

I'm guessing he got frost bite? Not 100% sure but may be the case. If the others have normal looking colored combs I don't think you need to worry about them.

 

[shuizar209]

From what youexplain it could be frostbiten. However are there small crusty sores on the comb as well? Pictures would help alot!