The color, texture, and thermal properties of your paint make a difference and these differences vary over frequency. One can't assume that all black paints re-radiate. Metal treatments such as anodizing and plating, can make a big difference. Hot rodder's find this out the hard way. Chrome plating your engine is a great way to cook it.
Weight is a significant factor in aircraft.
I've met folks from Purdue, and they're pretty fowl. Chickens I understand from watching a number of the science films discussed that the cannons are not full speed and thus the chicken are left frozen to make up the difference. I also heard that the chickens are, in many cases, still in tact after their shot but are not available for consumption because of possible bone fragments etc. The color, texture, and thermal properties of your paint make a difference and these differences vary over frequency. One can't assume that all black paints re-radiate.