Are my bears supposed to look hurt?

My bears got these wounds, but are not hurt or anything. They've had a fight when I did not pay attention to the cubs growing up, but they got treated - yet still look like that.
Is that a bug, or intended to be this way?
152201
 
Thank you, I wasn't sure, because my warthogs don't have any scars even though they got hurt as well, as far as I can remember.
 
There's a discussion on the forum about the fact that there are too many injuries, but if there is a bug it would be about the fact that animals get to fight when they normally shouldn't. Scars after injuries are part of the realism wanted for the game.
 
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