1, bird's eye chili, also known as the letter eagle chili, smaller, spicier, the surface folds, because of the smaller head is called bird's eye, bird's eye chili is the world's most spicy kind of chili, the head is smaller, is prevalent in Thailand, such as Phuket Island.

2, small birds spicy is growing in the mountains of the wild chili, the fruit is small, length of about 1cm or so, mainly by birds to eat the fruit after the discharge of feces to spread the seed, small birds spicy so named. The flavor is tart and refreshing, and it adds freshness to the meal.

3, bird's eye chili pepper spiciness than small bird chili pepper spicy, smaller than the head of small bird chili.