![]() This call is an extension of the piping call with the ultimate note extended into a pure tone and repeated at intervals of 1 to 5 second to form the whistle call. The call is a shrill, loud and curlew-like whistle, pitched at slightly higher note in young one’s. The locations are advertised daily by loud calling. Iris dark brown, bill pale horn with a darker upper mandible, the legs and toes pale yellowish. The skin around the eye is blue, feathers of head and crest black with central streaks and edges of rufous yellowish beige, nape same with broader streaks, back and mantle black, with yellowish beige streaks, here and there replaced with white, giving a curious mottled appearance, lower back yellowish beige with crescent black bars, tail coverts yellowish beige with larger bars occupying most of the feathers, visible parts of wing-coverts and secondaries like the back but more mottled, primaries and outer secondaries dark brown, the former mottled, the latter barred with rufous buff on the outer webs, chin, throat and fore-neck white, remainder of lower parts brown, the breast and flanks with dark lines, these more broken and fewer on the abdomen and lower breast, their place being taken by pale central streaks and white shafts lower tail coverts white, barred with black and rufous. Femaleįemales are brown with a square tail with buffy streaks. The colours of all these parts vary greatly. Iris brown, orbital skin and cheeks bright blue, bill brown, legs yellowish or pale brownish green, sometimes darker and, rarely, lead. Adult male has long crest of spatulate metallic green feathers, a patch of deep metallic purple behind the ear-coverts, sides of neck and nape fiery copper brown, changing gradually into bronze green on the back scapulars and adjacent wing coverts, innermost secondaries and rump purple, the secondaries tipped metallic greenish blue, lower back white, sometimes with fine black stripes, rump and shorter tail coverts purple, more or less glossed with blue-green, longest tail coverts metallic green, tail cinnamon, darker at the tip, shoulder of wing and remaining coverts metallic green, primaries and secondaries dark brown, the latter glossed with green on their margins, underparts brownish black or dull black, glossed with green on the breast and flanks, under tail coverts metallic green with dark bases.
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