77. Hydrochelidon nigra surinamensis 
BLACK TERN. 10 inches 
Adult. In summer. Above, head black ; back slate color. Below, 
black ; bill black. In fall and winter and Immature. Above, 
head blackish ; back gray. Below, forehead and breast white. An 
abundant bird of the marshes of the middle West. A small bird 
only a little larger than the Least Tern. 
Breeds. ‘From Kansas northward.” Irregular migrant along 
the New England coast in late summer and fall. 
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