I am also working to create a Maran bantam. My birds are the result of a smaller BC Maran standard bred to my run of the mill bantams. I have then taken those females and bred them to a black bantam Langshan rooster. One of the daughters lays a brown egg but no where close to what you would like to see in this breed. The size is probably larger from what a proposed standard would look for, but its a beginning. I am hatching from this pullet and have nice feathering on the legs, straight combs, good vigor but white earlobes(the results of the Rosecomb bantams in the ancestry of the original cross).. I found that with the standard Maran, the fertility was not that high, but when a male was crossed to other non Maran, the fertility was close to 100%. That leads me to believe the fertility problems lies in the Maran females and not the males. As with any new breed, it takes many years to get a decent bantam to match what the standard bird looks like. I raise show Rosecombs and any color but black take 5+years to get a decent color to match what the standard calls for.
I just bought two ~2-3 month old bantam Black Copper Marans from The Double D Ranch in Prineville, OR at a chicken swap in Terrebonne, OR. I didn't think to ask what they were crossed with. They do have some white in their wings and have feathered feet.
Sorry for the meh pics.
This was taken on the way home. We had just sold a 4 month old Cuckoo Maran Rooster on the way who nearly filled this box, so you can kind of gauge their size?:
Suspected Roo:
You can kind of see the copper around the neck:
Most Probable Hen:
When we were looking at them I suspected that one of them was a roo, so I asked. The woman selling them said "no, they're 4 months old" to which I responded, "wow, they're going to be small!" She said something like, "well, not that small". Pretty sure they're not 4 months old (they're still peeping!!) and that one is suspiciously roo-looking
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I think we are at least a good 3 months from seeing any eggs, but I can re-post when we get eggs if anyone is still interested