crusty

My bunny is currently receiving treatment for mites. His nose started to get crust and dried. What concerns me the most is that he has black parts in his nose. Could it be caused by mites or a different condition? I just took him to the vet and 2 days later the black thing appeared.

So as we all know it's malting season right now, and Theo is quite the malter... but as I was grooming him the other day I felt a lump on his skin and on further inspection found a crusty patch amongst the fur. I assumed it must just be a patch of tangled fur and thought nothing of it, but I...