Aves. 



225 



The auks and puffins are found in vast numbers on 

 the coast of Labrador and northward, some having great 

 powers of flight. 



FIG. 132. THE LOON. 



From Eckstorm's The Bird Book. 



The penguins are correspondingly characteristic of Pata- 

 gonia and the Antarctic regions. Their wings are small 

 and paddlelike, and 

 are covered with scale- 

 like feathers. 



The Long-winged 

 Swimmers. This 

 group includes the 

 gulls and terns. They 

 are web-footed and 

 have long wings and 

 tail, with remarkable 

 power of flight. They 

 occasionally rest upon 

 the water, coming on 

 shore only to lay their eggs. They are mostly sea birds, 

 though some frequent inland lakes and rivers, and any one 



FIG. 133. HERRING GULL. 



From Eckstorm's The Bird Book. 



