The differences in appearance and price range are as follows:

1. Appearance difference: The appearance of the stupid chicken is bulky, with a larger body, a rounder head, a short and thick neck, and legs. The head is longer and the color is mainly white. The appearance of native chickens is relatively thin, with a small body, a small and pointed head, a long and thin neck, short legs, and the color is mainly black or red.

2. Price difference: The price of stupid chicken will be cheaper, while the price of native chicken will be more expensive. This is because the growth rate of native chickens is slower and the cost of raising them is relatively high, so the price will naturally be more expensive.