LARGEST OF ITS GROUP 120CMS,OVERALL VERY PALE SANDY/CREAMY COLOURED,WHITE ON UNDERWING COVERTS,WITH CONTRASTING DARK FLIGHT FEATHERS AND TAIL, RUFF FEATHERS ARE LONG AND SPIKY,HEAD IS COVERED IN DOWN WHICH IS YELLOWISH IN ADULTS,LEGS ARE COVERED WITH BUFFY FEATHERS,FEET ARE GREENISH-GREY TO WHITE,FOUND IN MOUNTAINS OF HIMALAYAS ,SOMETIMES STRAYING TO ADJACENT PLAINS.USUALLY FOUND AT ELEVATION OF AROUND 4000 FEET,USUALLY BASK IN THE SUN ON ROCKS OR SOAR IN THERMALS,FEED ON DEAD OR DECAYING FLESH,