星蜂鸟
Calliope Hummingbird
Selasphorus calliope
分类位置
形态与习性
The calliope hummingbird ( kə-LY-ə-pee; Selasphorus calliope) is the smallest bird native to the United States and Canada. It has a western breeding range mainly from California to British Columbia, and migrates to the Southwestern United States, Mexico, and Central America for its wintering grounds. The calliope hummingbird is the smallest known long-distance bird migrant, completing migrations twice per year of some 9,000 km (5,600 mi). It was previously considered the only member of the genu
体重
0 g