APPENDIX 



359 



23. Canada Goose. Branta eanadensis. 

 Common Wild Goose. 



Head and neck black ; triangular white patch on each cheek ex- 

 tending over throat ; upper parts brown, the feathers tipped with light 

 brown ; rump, tail, and primaries black ; lower parts gray, white in 

 anal region ; bill, legs, and feet black. Average size, 38 in. Young 

 birds have white cheek patches speckled with black. 



Hab. North America, Arctic regions to Gulf of Mexico, Atlantic 

 to Pacific. 



(a) White-cheeked Goose (Branta eanadensis occidentalis). 

 Very similar to Canada goose ; more or less distinct white collar 

 at base of black neck. Length, 33 to 36 in. 

 Hab. Alaska to California. 



24. Black Brant. Branta nigrans. 



Head, neck, upper part breast, abdomen and tail black ; bill, legs 

 and feet black; white collar on neck interrupted behind ; upper parts 

 and wings dark brown ; crissum, sides of rump, upper and under tail 

 coverts white ; abdomen and breast blackish. Length about 25 in. 



Hab. Western North America, Arctic region to Lower California. 



25. Brant Goose. Branta bernicla. 



Head, neck, breast, back at base of neck, and tail black ; patch of 

 white on either side of head ; upper parts brownish gray ; under parts 

 grayish white ; pure white about and under tail ; rump brownish black ; 

 bill, legs, and feet black. Length, 24-30 in. 



Hab. Eastern North America, chiefly about Atlantic Coast ; rare 

 in Mississippi Valley. 



26. Emperor Goose. Philacte canagica. 



Head and back of neck white ; throat and forepart o1f neck brown- 

 ish black ; feathers on lower part of neck, with a small white spot at 

 tip ; back and under parts bluish gray ; lower back and upper tail cov- 

 erts bluish gray ; bill pale purplish ; legs and feet orange. Length, 

 26 in. Young : head and neck brownish black. 



Hab. Coast and islands of Alaska. 



27. Ross Snow Goose. Exanthemops rossii. 



Plumage white, except primaries, which are black. Bill, legs, and 

 feet red. Length about 33 in. 



Hab. Arctic regions to Southern California, east to Montana. 



