But this behavior will be consistent and known to you. Any deviation of that behavior could signal illness. The following information is offered as a layman's guide to some rabbit ailments. Be sure to find a good veterinarian before your bunny gets sick. If you are ever in question about your rabbit's health, call your veterinarian for advice.
Rabbits regulate body temperature by their ears.
Very cold or hot ears could indicate a fever or a drop in body temperature. This, coupled with other warning signs could warrant a trip to the vet. See your veterinarian. You may also notice a decrease in appetite and ability to eat hard foods such as whole carrot. See your veterinarian.