My 2 y/o Holland lop bunny has a very itchy ear. I've noticed it for a while but haven't really been concerned because it sort of comes and goes. But just recently he's been shaking his head more and more and scratching his ear. I took a Kleenex and whipped it out, it was dark colored ear waxy stuff. But when I touch his ear (just the left one) he instantly tries to scratch and tilt his head, almost uncontrollably. Any ideas on how I can help him? I want to try everything I can at home first before a vet visit. Any ideas will be helpful! Thank you all.