Birds of a minimum size with a thumbs up, almost, very small feathers in the daylight showing different colors, Slender mouth. Spend eat nectar and insects. Produced in South America.

• 鸟类中最小的一种，大小跟大拇指差不多，羽毛很细，在日光照射下呈现出不同的颜色，嘴细长。吃花蜜和花上的昆虫。产于南美洲。