﻿18 
  

  

  NORTH 
  AMERICAN 
  DUCKS, 
  GEESE, 
  AND 
  SWANS. 
  

  

  Western 
  Species, 
  with 
  Eastern 
  Limit 
  of 
  Regular 
  Range. 
  

  

  Cinnamon 
  teal, 
  Querquedula 
  cyanoptera 
  

  

  (Kansas). 
  

   Steller 
  eider, 
  Polysticta 
  stelleri 
  (Alaska). 
  

   Spectacled 
  eider, 
  Arctonetta 
  fischeri 
  

  

  (Alaska). 
  

   Pacific 
  eider, 
  Somateria 
  v-nigra 
  (Macken- 
  

  

  ate'). 
  

   Ross 
  goose, 
  Chen 
  rossii 
  (Hudson 
  Bay). 
  

  

  White-cheeked 
  goose, 
  Branta 
  canadensis 
  

  

  occidental-is 
  ( 
  Nevada 
  ) 
  . 
  

   Cackling 
  goose, 
  Branta 
  canadensis 
  minima 
  

  

  (California). 
  

   Black 
  brant, 
  Branta 
  nigricans 
  (Nevada 
  

  

  and 
  Mackenzie). 
  

   Emperor 
  goose, 
  Philacte 
  canagica 
  

  

  (Alaska). 
  

  

  Southern 
  Limits 
  of 
  Species 
  whose 
  Winter 
  Range 
  extends 
  South 
  of 
  the 
  United 
  

  

  States. 
  

  

  American 
  merganser, 
  Merganser 
  ameri- 
  

   canus 
  (Mexico, 
  accidental). 
  

  

  Red-breasted 
  merganser, 
  Merganser 
  ser- 
  

   rator 
  (Mexico). 
  

  

  Hooded 
  merganser, 
  Lophodytes 
  cucullatus 
  

   (Mexico). 
  

  

  Mallard, 
  Anas 
  boschas 
  (Panama). 
  

  

  Black 
  duck, 
  Anas 
  obscura 
  (Jamaica, 
  acci- 
  

   dental). 
  

  

  Gad 
  wall, 
  Chaulelasmus 
  streperus 
  (Mexico). 
  

  

  Baldpate, 
  Mareca 
  americana 
  (Costa 
  Rica). 
  

  

  Green- 
  winged 
  teal, 
  Nettion 
  carolinense 
  

   (Honduras). 
  

  

  Blue-winged 
  teal, 
  Querquedula 
  discors 
  

   (Chile). 
  

  

  Cinnamon 
  teal, 
  Querquedula 
  cyanoptera 
  

   (Patagonia). 
  

  

  Shoveler, 
  Spatula 
  clypeata 
  (Colombia) 
  . 
  

  

  Pintail, 
  Dafila 
  acuta 
  (Panama). 
  

  

  Wood 
  duck, 
  Aix 
  sponsa 
  (Mexico). 
  

  

  Redhead, 
  Ay 
  thy 
  a 
  americana 
  (Mexico). 
  

  

  Canvasback, 
  Aythya 
  vallisneria 
  (Guate- 
  

   mala, 
  accidental). 
  

  

  Scaup 
  duck, 
  Aythya, 
  marila 
  (Bahamas). 
  

  

  Lesser 
  scaup 
  duck, 
  Aythya 
  affinis 
  (Pan- 
  

   ama). 
  

  

  Ring-necked 
  duck, 
  Aythya 
  collaris 
  (Guate- 
  

   mala). 
  

  

  American 
  golden-eye, 
  Clangula 
  clangula 
  

   americana 
  (Mexico). 
  

  

  Bufne-head, 
  Charitonetta 
  albeola 
  (Mexico). 
  

  

  White-winged 
  scoter, 
  Oidemia 
  deglandi 
  

   (Mexico). 
  

  

  Surf 
  scoter, 
  Oidemia 
  perspicillata 
  (Mexico). 
  

  

  Ruddy 
  duck, 
  Erismatura 
  jamaicensis 
  

   (Costa 
  Rica, 
  accidental). 
  

  

  Masked 
  duck, 
  Nomonyx 
  dominicus 
  (Ar- 
  

   gentina). 
  

  

  Lesser 
  snow 
  goose, 
  Chen 
  hyperborea 
  (Mex- 
  

   ico). 
  

  

  American 
  white-fronted 
  goose, 
  Anser 
  albi- 
  

   frons 
  gambeli 
  (Mexico). 
  

  

  Hutchins 
  goose, 
  Branta 
  canadensis 
  hutch- 
  

   insii 
  (Mexico). 
  

  

  White-cheeked 
  goose, 
  Branta 
  canadensis 
  

   occidentalis 
  (Mexico). 
  

  

  Black 
  brant, 
  Branta 
  nigricans 
  (Mexico). 
  

  

  Black-bellied 
  tree-duck, 
  Dendrocygna 
  au- 
  

   tumncdis 
  (Panama). 
  

  

  Fulvous 
  tree-duck, 
  Dendrocygna 
  fulva 
  

   (Argentina). 
  

  

  Whistling 
  swan, 
  Olor 
  columbianus 
  (Mex- 
  

   ico). 
  

  

  SUMMARY. 
  

  

  Species 
  breeding 
  regularly 
  in 
  the 
  northern 
  United 
  States 
  

  

  Southern 
  species 
  ranging 
  north 
  to 
  the 
  southern 
  United 
  States. 
  . 
  . 
  

  

  Species 
  breeding 
  in 
  the 
  United 
  States 
  

  

  Species 
  wintering 
  in 
  the 
  United 
  States 
  but 
  breeding 
  northward 
  

  

  Species 
  breeding 
  or 
  wintering 
  in 
  the 
  United 
  States 
  

  

  Species 
  breeding 
  and 
  wintering 
  north 
  of 
  the 
  United 
  States 
  

  

  Species 
  breeding 
  chiefly 
  north 
  of 
  the 
  Arctic 
  Circle 
  

  

  Species 
  breeding 
  in 
  the 
  United 
  States 
  and 
  northward 
  

  

  European 
  species 
  straggling 
  to 
  North 
  America 
  

  

  Species 
  occurring 
  in 
  the 
  United 
  States 
  and 
  northward 
  

  

  Southern 
  species 
  not 
  ranging 
  north 
  to 
  the 
  United 
  States 
  

  

  Total 
  species 
  and 
  subspecies 
  in 
  North 
  America 
  , 
  

  

  19 
  

  

  5 
  

  

  24 
  

  

  24 
  

  

  48 
  

  

  5 
  

  

  15 
  

  

  53 
  

  

  11 
  

  

  64 
  

  

  7 
  

  

  71 
  

  

  