15 CMS.,MALE IS LIKE MALE OF VIVID NILTAVA BUT ENTIRE RHROAT IS BLUE.FEMALE IS DIFFERENT FROM VIVID NILTAVA BY WHITE GORGET,BLUE PATCH AT SIDE OF NECK.SEEN AT HEIGHT OF 900 TO 3200 METRES IN SUMMERS, AT LESS THAN 2300 METRES IN WINTERS. FOUND IN FOREST UNDERGROWTH/LOWER STOREY,DAMP OVERGROWN GULLIES,SECOND GROWTH.