Summarize this article in one sentence.
Your hedgehog may bite or nip at you if it is not feeling well. Learn to recognize hedgehog illnesses by watching for these symptoms:  Lethargy Losing quills Lumps on or under the skin Wobbly walking Loss of appetite Green poop Red and/or itchy skin Tattered ears A hedgehog may bite because it is emotionally upset. There can be a number of stimuli that may startle your hedgehog into biting.  Loud or sudden noises New or strong smells -- lotions, other animals, perfume, etc Wrong time of day -- hedgehogs are mostly nocturnal. If you wake up your hedgehog in the middle of the day to handle it, it may bite Fear -- it may be not fully tamed or not used to you Sudden temperature change -- hedgehogs must be kept in a warm environment (75-80 degrees fahrenheit, or 23-26 degrees celsius) A hedgehog can ‘’learn’’ to bite if conditioned to do so. Be careful not to accidentally teach your hedgehog to bite!  If you respond verbally after your hedgehog bites you, it may learn that it can get a similar response if it continues to bite. You feed it treats to train it, it might bite to get a treat. Be careful not to reward your hedgehog for unwanted behavior. . Getting your hedgehog to be more comfortable with you can reduce the risk of being bitten.  When holding him, talk quietly and make slow movements. Avoid fast, jerky movements that might startle him. Give him treats if he is acting appropriately. Do not reward for bad behavior, but you can give a treat (like a mealworm) to get him to trust you. biting. Hedgehogs are naturally curious creatures that use their strong sense of smell and taste to get to know their world. One way they do this is by nibbling and/or licking an unknown area. Knowing the difference between these two actions is critical in behavioral training.  Nibbling is usually accompanied by not using pressure with teeth and licking the area. Biting can be quick, sharp, and painful. It might be brought on by a stimulus.

Summary:
Know when your hedgehog isn’t feeling well. Recognize emotional responses. Understand behavioral responses. Train your hedgehog to be more tame Recognize nibble vs.