FISH 465 



descendant of the wild turkey which was abundant in America 

 at the time of its early settlement. Domesticated turkeys 

 retain much of their wild nature, and wander away from the 

 farmyard and are easily lost 

 to their owner. They are diffi- 

 cult to raise and are therefore 

 scarce and expensive. 



Chickens, turkeys, geese, and 

 ducks belong to a group of 

 feathered animals called birds. 

 Birds do not bear their young 

 alive, but lay eggs from which 

 the young hatch. They are 



covered with feathers, which FIG. 334. Geese. 



keep them warm and aid them 



in flight. Domesticated fowls have largely lost the use of their 

 wings and can fly but short distances. .. 



Fish. Next to mammals and birds the most important 

 animals to man are fish. Cod, herring, shad, mackerel, perch 



FIG. 335. The common perch. 



(Fig. 335), bass, and salmon are used extensively for food, and 

 thousands of men are employed in the fishing industry. The 

 salmon of the Pacific coast is alone worth $13,000,000 yearly, 

 and the cod of the Atlantic coast over $2,000,000. Some fish, 



