Borisina does not look to be a black Spanish. Black turkeys are pretty much what they say...black. Black secondaries, black tails. This bird has reddish brown mottled secondaries, and some red tint to the body feathers (at least the immature body feathers). I'm going with red bronze on this one. The color in the last photo isn't very good and the tail is beat up so its hard to see. The tail coverts (the flat feathers with the metallic colors just in front of the top of the tail) are bluish with pale buff trim in a standard bronze, but forest green with a rich soft brown trim in red bronze. The tip of the tails match the tips of these feathers. (it obviously is not a standard bronze because of the mottled secondaries). Red bronzes are fairly common, and can be produce by crossing Standard Bronze or Royal Palms with Bourbon Reds, all common colors.