I was told they were black copper marans and their legs are dark with some feathering on them
Actually they are light with some dark. I will post another pic of the legs
I was kinda thinking they were mixed bcm and cm too after someone said they looked too dark to be cm. thank you.
Should I breed these chickens? If so to what? I am new to breeding chickens so sorry if this is a dumb question.
At this point it is too early to say if they are mixed but they are certainly not copper blacks. I would wait until they completely feather out to see what you are dealing with. I would also contact the breeder to let them know what is happening with the chicks and see what they say. They may not be knowingly selling mis-labelled birds and may be unaware that a fence hopping has happened. If they are cross bred and you are looking to continue with Marans then I would not breed them as you will not be going in the right direction. There is much better stock available to start off properly with.