Chondridae: There are 1 family, 2 subfamilies, 104 genus, with 355 species. Named after the buzzing of wings when flying, it looks like a bee. Small size, scaly feathers, bright colors, and shining rainbow or metallic luster, male birds are more bright; The mouth is slender and straight, some bend downward, and some bend upward; The tongue stretches freely; Wings are long and narrow; Tail tip, fork or racket shape; Short feet and small and weak toes.

When flying, the wings flap rapidly, which is fast, powerful and lasting; The frequency can reach more than 50 times per second. He is good at hanging around in the flowers for a long time and sometimes flying backwards. It is closely related to Swift. Hummingbirds, like other birds, have no developed olfactory system and mainly rely on vision. About 90% hummingbirds feed on nectar, and the rest are arthropods, including flies, wasps, spiders, beetles and ants. Their slender beaks are perfect for sucking nectar.

Distributed in Latin America, North and South America, the east coast of the Pacific Ocean to Alaska.

habitat

Hummingbirds can feed and nest in various land habitats. The main habitat choice is a large number of nectar-producing flowers, and the habitats that meet this condition are arid shrub jungle, desert oasis, coastal lowland, tropical rain forest, pine forest in New Taipei and alpine tundra. Hummingbirds live in places with great differences in altitude, from the Andes as high as 4876 meters to the inland desert below sea level. Hummingbirds sometimes appear in cities and suburbs with natural food sources because of bird breeding and the rise of plantations.