167. Erismatura jamaicensis 
RUDDY DUCK. 15inches 
Male in spring. Above, top of head Llack; back chestnut; tail 
black, short and upturned. Below, chin and sides of head white ; 
neck chestnut; breast white, mottled with chestnut; bill and feet 
black. In winter, Female and Immature. Above, brown; sides 
of head whitish. Below, silvery gray, tinged and mottled with 
darker shades and with chestnut on the breast. Recognized by its 
short, stiff and upturned tail; an expert diver and will sink and 
swim under water like a grebe. 
Breeds. Sparingly in eastern New England; migrant inland and 
along the coast in spring and from September to December. 
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