by William Swainson, Zoological Illustrations — Vol II. Pl… (1820)
“ The skin round the eye white, and the irides hazel; the whole upper part of the plumage is a beautiful grass green, changing according to the light into different shades; the top of the head, the quill feathers, and end of the tail, greenish blue, in some lights appearing quite blue; the sides of the head, ears, and throat, as far as the breast, bluish grey; all the remaining under plumage yellowish green, with a shade of orange in the middle of the body and vent ”
