Dicrurus palawanensis Tweeddale, Proc. Zool. Soc. (1878), 614.
Chibia palawanensis Sharpe, Ibis (1888), 199; McGregor and
Worcester, Hand-List (1906), 107.
Balabac (Everett); Calamianes (Bourns & Worcester, McGregor);
Palawan (Everett, Whitehead, Platen, Steere Exp., Bourns &
Worcester, Celestino, White).
Adult (sexes similar).--Above blue-black; feathers of crown with
glossy scale-like tips, upper tail-coverts, wings, and tail glossy
steel-green; sides of neck with glossy green, lanceolate feathers;
under parts black; feathers of lower throat and chest somewhat acute
and with glossy scale-like tips; the outermost rectrices slightly
upturned and twisted near the tip. A male from Palawan measures: Wing,
135; tail, 125; bill from nostril, 21; depth of bill at nostril,
10; tarsus, 23; difference in length between middle and outermost
rectrices, 20. A female, wing, 132; tail, 120; bill from nostril,
21.5; depth of bill at nostril, 10; tarsus, 24.
"Habits like those of Dicrurus balicassius and D. striatus. Five
males average: Length, 273; wing, 136; tail, 121; culmen, 33; tarsus,
23; middle toe with claw, 25. Five females, length, 267; wing, 133;
tail, 118; culmen, 33; tarsus, 23; middle toe with claw, 24. Iris
dark brown to black; bill, legs, feet, and nails black." (Bourns and
Worcester MS.)