Drdan... now I'm really hoping some expert chimes in here.

I'm going to make the assumption here that by Hamm you mean Hamm Germany... in which case the chances are you have a BM from the Miramar locality in Costa Rica... most European BM's from my understanding are from that locality... assuming all that to be true your BM may never turn completely black, specimens from the Miramar area simply don't.

Still assuming all that is true I would expect a little more change to have occurred during the 4 month to 12 month time frame. Miramar animals vary greatly in how much they will change... I'd post a pic of clutch mates showing just how variable they can be but the picture isn't mine so I hesitate.

If no one smarter than I am offers up an opinion... e-mail me and I'll send you that picture

Gerry

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