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"Dissemurus paradiseus, the Drongo, both sexes are typically black, with metallic gloss of blue, purple, or green, though a few are greyer or browner, or have a little white below. The variable bill is usually large and more or less curved, with a hooked tip, a notched maxilla, and fairly strong rictal bristles. The bill and feet are black; eyes red, white, or brown." A. H. Evans, 1900

Drongo

"Dissemurus paradiseus, the Drongo, both sexes are typically black, with metallic gloss of blue, purple,…