Refers to birds of the family Trochilidae. The Japanese name literally means 'bee sparrow'. The synonym 蜂鳥 (はちどり) is more common.
See also: ハチドリ
A hummingbird flew into the garden.
Hummingbirds sip nectar while hovering.
Compound of 蜂 (はち, 'bee') and 雀 (すずめ, 'sparrow'), from the bird's small size and bee-like hovering flight. The exact origin is uncertain.