No more cubalayas for me but I can try to help here. The difference between slate and black is the same as the difference between green and black. Like in our phoenix bantams, we added a new line last year and got some green legged chicks. All parents have slate legs and white skin while the green legged chicks are yellow skinned. In the solid blacks, there is a dermal thing with the legs that messes with it too, just like the dusky yellow on black leghorns.What really is the difference between slate and black in the Cubalaya leg color? I prefer the black legs in the blacks, but the standard says they need to be slate. My question really is what's the difference? Is it possible to have slate and black combined or is all one color? The reason I'm asking is because I have some blacks coming up that have very black looking legs so I need to know the difference between the two if there is any.
But now that I thought about it, all ameraucanas are supposed to have slate legs but they all have what looks black to me. I am sure it is possible but I have never seen a solid black white skinned bird with slate legs. White crested black polish have slate legs but they don't really count because solid black polish have black legs.