(1949) Excalfactoria chinensis trinkutensis.
THE NICOBAR BLUE-BREASTED QUAIL.
Excalfactoria trinkutensis Richmond, Proc. Nat. Mus. U.S., xxv, p. 310 (1902) (Trinkut Is., Nicobars). Excalfactoria chinensis. Blanf. & Oates, iv, p. 112 (part.).
Vernacular names. Mul (Car Nicobar).
Description.— Adult male. Differs from the preceding race in having the pale shaft-streaks on the upper plumage obsolete or wanting; the back is much suffused with the blue-grey of the breast and they are also, generally speaking, much darker.
Colours of soft parts. "Iris crimson; bill bluish-horny; legs orange, claws black " (Butler).
Measurements. Wing 69.5 mm.; tail 14.0 mm.; tarsus 13.5 mm.; culmen 10 mm.
Female differs from E. c. chinensis in being more darkly and richly coloured; the ground-colour of the upper plumage is grey rather than brown and the underparts are completely barred.
Colours of soft parts. Iris brownish-red; bill dusky bluish; legs yellow to orange, claws brown.
Measurements. Wing 65 mm. Butler gives the wing of a female as 69 mm.
Distribution. Car Nicobars, Trinkut Is. and Camorta.
Habits. Butler and Richmond found this little Quail common in open grass-lands but very hard to flush.