1285. Carpophaga insularis.
The Nicobar Imperial Pigeon.
Carpophaga sylvatica (Tickell), var., Blyth, J. A. S. B. xv, p. 371. Carpophaga insularis, Blyth, J. A. S. B. xxvii, p. 270 (1858); id. Ibis, 1868, p. 133: Ball, J. A. S. B. xxxix, pt. 2. p. 32 ; id. S. F. i, p. 79 ; Hume, S. F. ii, p. 262 ; iv, p. 291 ; id. N. & E. p. 496; id. Cat. no. 780 bis ; Oates in Hume's N. E. 2nd ed. ii, p. 367 ; Salvadori, Cat. B. M. xxi, p. 185.
Coloration. Similar to that of C. aenea, except that the grey of the head, neck, and lower parts is purer, without any pink or vinous tinge; the back, rump, and wings are dark metallic bluish or purplish green, the tail being still darker and more purplish above ; the quills are nearly black above, and the lower tail-coverts dull rufous-brown.
Bill pale plumbeous, paler at tip, darker at base ; irides red, varying in tint; eyelids pale lavender ; legs and feet deep pink to livid purple (Hume).
Length about 18.5 ; tail 6.5 ; wing 10; tarsus 1.2; bill from gape 1.6.
Distribution. Peculiar to the Nicobar Islands.
Habits, &c. Similar to those of C. aenea : the breeding-season, according to Davidson, is in February and March.