Drongo, a tree-dwelling bird native to the Eastern Hemisphere. Drongos are 7 to 25 inches (18 to 64 cm) long. They are usually black with a greenish, purplish, or bluish sheen. Drongos are spectacular flyers, swooping and twisting in pursuit of insects.

The black drongois a common bird in India. The fork-tailed drongoof Africa is extremely bold and will attempt to steal insects from birds larger than itself. The spangled drongocan be found throughout southern Asia and Australia.

Drongos belong to the family Dicruridae. The black drongo is Dicrurus macrocerus; the fork-tailed drongo, D. adsimilis; and the spangled drongo, D. hottentottus.