Thamnobia cambaiensis, Lath.
430. :- Jerdon's Birds of India, Vol. II, p. 122; Butler, Guzerat ; Stray Feathers, Vol. III, p. 474 ; Murray's Vertebrate Zoology of Sind, p. 138; Swinhoe and Barnes, Central India ; Ibis, p. 124.
THE BROWN-BACKED INDIAN ROBIN.
Kalchuri, Hin. Length, 6 ; wing, 2.9; tail, 2.75 ; tarsus, 1 ; bill at front, 0.5. Bill black ; irides deep-brown ; legs blackish. The male has the back, wings, and upper tail-coverts dusky olive-brown; the wings and tail black; the lores, ear-coverts, and lower plumage also black ; a white wing-spot, as in the last; the vent and centre of belly deep chestnut.
The female is sooty-brown throughout, except the chesnut beneath.
The Brown-backed or Northern Indian Robin is a common permanent resident throughout the district, excepting the Deccan, where it is replaced by Thamnobia fulicata.
Its breeding habits are much like the last, but the eggs are larger, averaging 0.79 in length by 0.59 in breadth.