BTW, I forgot to mention about my rooster, I laid him over on his back one time too many and he died on me. He was a big, good rooster too so I just wanted to kick myself for doing it. Your hen looks pretty fiesty so she probably isn't as sick as my boy.
Just warning you about the laying on the back thingy. I had a big healthy rooster that had the same blackened tips on his wattles but when I laid him over his head turned purplish blue. Anyway, everything is indicative of an infection. Vetrx is some kind of preventative maybe (frankly, I...
I see she's got her mouth open in one pic. She could be having a respiratory infection which would blacken the tips of the wattle. There may be an infection in the wattle from that or possibly an infection in the sinus (not sure about later). However, an antibiotic would go a long way in...