﻿KOKLASS 
  PHEASANTS 
  

  

  KEY 
  TO 
  THE 
  FORMS 
  OF 
  PUCRASIA 
  

  

  I. 
  A 
  pair 
  of 
  spurs 
  present 
  (males). 
  

  

  a 
  Mantle 
  with 
  a 
  single 
  black 
  shaft 
  streak. 
  

   a 
  Sides 
  and 
  flanks 
  principally 
  grey. 
  

  

  a" 
  No 
  chestnut 
  nuchal 
  collar 
  macrolopha 
  macrolopha. 
  

  

  b" 
  Chestnut 
  collar 
  on 
  nape 
  macrolopha 
  biddulphi. 
  

  

  b' 
  Sides 
  and 
  flanks 
  black, 
  edged 
  with 
  grey 
  macrolopha 
  nipalensis. 
  

  

  c' 
  Sides 
  and 
  flanks 
  chestnut 
  . 
  . 
  . 
  macrolopha 
  castanea. 
  

  

  b 
  Mantle 
  with 
  two 
  black 
  streaks. 
  

  

  d' 
  A 
  distinct 
  nuchal 
  collar. 
  

  

  c" 
  Nuchal 
  collar 
  yellow. 
  

  

  a 
  Basal 
  portion 
  of 
  outer 
  rectrices 
  dominately 
  grey 
  .... 
  xanthospila 
  xanthospila. 
  

   b 
  Basal 
  portion 
  of 
  outer 
  rectrices 
  dominately 
  rufous 
  . 
  . 
  . 
  xanthospila 
  meyeri. 
  

  

  d" 
  Nuchal 
  collar 
  orange 
  xanthospila 
  ruficollis. 
  

  

  e' 
  No 
  distinct 
  nuchal 
  collar 
  xanthospila 
  joretiana. 
  

  

  c 
  Mantle 
  with 
  four 
  black 
  streaks. 
  

  

  /' 
  Ventral 
  plumage 
  more 
  or 
  less 
  chestnut 
  darwini 
  darwini. 
  

  

  g' 
  Ventral 
  plumage 
  not 
  chestnut 
  darwini 
  styani. 
  

  

  II. 
  No 
  spurs 
  present 
  (females). 
  

  

  a 
  Base 
  of 
  outer 
  rectrices 
  black 
  or 
  rufous. 
  

  

  a' 
  Outer 
  pairs 
  of 
  rectrices 
  with 
  black 
  contour 
  markings 
  .... 
  macrolopha 
  macrolopha. 
  

   b' 
  All 
  but 
  outer 
  pair 
  of 
  rectrices 
  with 
  bar-like 
  black 
  markings 
  . 
  . 
  macrolopha 
  biddulphi. 
  

   c' 
  All 
  but 
  outer 
  pair 
  of 
  rectrices 
  chestnut 
  on 
  outer 
  web 
  .... 
  macrolopha 
  nipalensis. 
  

  

  d' 
  Both 
  webs 
  of 
  all 
  outer 
  rectrices 
  chestnut 
  xanthospila 
  meyeri. 
  

  

  b 
  Base 
  of 
  outer 
  rectrices 
  grey. 
  

  

  e' 
  Black 
  bars 
  across 
  tail 
  complete 
  xanthospila 
  xanthospila. 
  

  

  xanthospila 
  ruficollis. 
  

  

  f 
  Black 
  tail-bars 
  broken 
  or 
  incomplete 
  xanthospila 
  joretiana. 
  

  

  darwini 
  darwini. 
  

  

  