n6 Birds of Canada. 



wings, light bluish-ash ; under plumage, pure 

 white ; bill, and inside of mouth, bright red ; 

 legs and feet, black.; tail, forked. Breeds in the 

 northern regions. 



S. Wilsonii. Wilson's Tern. 



This is the most common species in Canada. 

 Head, deep black, tinged with brown ; back and 

 wings, light grayish-blue ; breast and abdomen, 

 clear pearl gray. Breeds on the sea coast of New 

 Brunswick. 



ARCTIC TERN. 



5. arctica. The Arctic Tern. 



The Arctic Tern is a fall and winter visitor 

 in Ontario. Breeds on the sea coast of Nova 

 Scotia. Head and neck, black ; back and wings, 



