What causes scabs on my bunny if it's not mites or fighting?

There are multiple possibilities, but the most common would be either fight wounds or skin infection. Infection could be bacterial or fungal such as ringworm. I would encourage you to have them examined by your veterinarian to see if they need any medications. Good luck and I hope they resolve quickly.

Thanks for reaching out about Thumper and including a photo. Rabbits are meticulous groomers but mites are often microscopic. If scabs are observed, a veterinary visit is recommended for diagnostics. Good luck.

Unfortunately the link with the picture seems not working properly. Generally speaking a bacterial or mite infection of the skin could be responsible for the signs you are noticing. Less commonly fungal infection can cause that. Please post again the link to the picture or a more specific description to receive further answers.

Mites would be the most common reason for scratching, mites cannot be seen with the naked eye at all (only under the microscope). you might want to take him to the vet in order to get a treatment for mites.

Hello, I would recommend taking Bun Bun into a veterinarian to be examined. Recurring scabs may be a sign of a chronic infection with a bacteria called Pasteurella, which is a common problem in rabbits. Scabs could also be coming from a fungal infection, commonly called ringworm, that can be spread to people. Scabs could also come from herself scratching- a parasitic infection of mites or fleas may be causing her scratch excessively. Most of these problems can be treated fairly easily with a course of medications once they are properly diagnosed. If the scabs are coming from being attacked by her sister, she needs to live separately from her for her own safety. I hope this is helpful. Thanks for using Petco Pet Education Center, formerly Petcoach.

I can't tell exactly from the picture where the scabs are, but if Akira has a wet or snotty nose or is sneezing he may have respiratory disease, and this is a cause for concern. He could be pawing at his nose trying to get rid of nasal discharge and causing the scratches. If not, and there is no snotty nose or sneezing, and he lives in a wire cage, he could be scraping it on that, or have a bacterial infection that needs looked at by a rabbit vet. Mites or some other kind of infection are a possibility as well.

This is most likely Scabies (a mite infestation), this can become much more severe than that, i recommend taking him to the vet ASAP, he will need an injection of ivermectin (3 times one week apart), this should resolve the problem within 2-4 weeks.