Surniculus lugubris, Horsf.
210. :- Jerdon's Birds of India, Vol. I, p. 336.
THE DRONGO OR FORK-TAILED CUCKOO.
Length, 10; wing, 5.5 ; tail 3.75 ; outermost tail feathers, 1.25 inches less than the penultimate, which is the longest; middle pair 0.5 inch shorter.
Bill black ; palate red; irides red brown; legs and feet dusky reddish.
Black, with a changeable blue and green gloss, brightest above; the head sub-crested, and generally two or three white feathers in the centre of the occiput; tibial and tarsal feathers partially white ; some white specks on the wing-coverts, and on the upper tail-coverts occasionally; lower tail-coverts marked with white; outermost primary with a round white spot, and all the others with an oblique white mark, causing an oblique streak of white on the inner surface of the wings; outermost tail-feathers obliquely barred or spotted with white.
The young birds are spotted with white on the head, wing-coverts, and lower surface; and the tail has also more white spots.
According to Jerdon, the Drongo or Tork-tailed Cuckoo occurs sparingly in Central India.