How do I know if a kitten I've found is healthy?

Signs of a healthy kitten would be a kitten that's interactive, playful, eating and drinking well, and having regular bowel movements. You might not notice those things right off. You want to ensure they have energy, and they're interactive, and you don't see any obvious discharge, runny nose, sneezing, or other things like that.

Most of the kittens found outside will be talking if they're healthy. If their eyes aren't open, they still should be fairly vocal. They should be mobile, like moving around. We should also not see any nasal discharge, wheezing, or gasping for breath. Their tongue should be nice and pink, and they should have coats with no sores. I think their activity is your biggest thing here to distinguish if they're healthy or not.

Look for signs of general health, such as clear eyes, normal activity levels, and a healthy weight. If the kitten has encrusted eyes, is lethargic, or appears malnourished, it may not be healthy. Consult with a veterinarian to assess the kitten's health and medical condition.

Look for the kitten to want to eat a full meal every two to three hours and rest between periods of activity. If they're not eating or moving around, it could indicate a health concern.