Quite a bit if you know what to look for. Obviously bone conditions like the iguana above and pregnancy like the tortoise, but we can also check for growths and tumors that may suggest cancers or other diseases. We can even see fluid levels within the lungs that can alert us to issues like pneumonia. If we suspect an animal has consumed something it shouldn't have, we can check the stomach for foreign bodies without having to resort immediately to surgery.
Quite a bit if you know what to look for. Obviously bone conditions like the iguana above and pregnancy like the tortoise, but we can also check for growths and tumors that may suggest cancers or other diseases. We can even see fluid levels within the lungs that can alert us to issues like pneumonia. If we suspect an animal has consumed something it shouldn't have, we can check the stomach for foreign bodies without having to resort immediately to surgery.