n. 蓝色鸣鸟(北美产)

Bluebird \Blue"bird`\, n. (Zo["o]l.)
A small song bird ({Sialia sialis}), very common in the
United States, and, in the north, one of the earliest to
arrive in spring. The male is blue, with the breast reddish.
It is related to the European robin.

{Pairy bluebird} (Zo["o]l.), a brilliant Indian or East
Indian bird of the genus {Irena}, of several species.