TRAVELS AND TRADITIONS OF WATERFOWL 



and selects those most closely fitting its innate breeding req* irements, but 

 that it must learn its geographical place in its world. The ai r " migration 

 may be inherent, but the world in which this takes place is learned. If this 

 is so, then for some species the route of migration is handed down through 

 tradition — and this is the theme of Part III. 



Throughout the book waterfowl refers to North American ducks, geese, 

 and swans of the Family Anatidae. 



H. A. H. 



Delta Waterfowl Research Station 

 Delta, Manitoba 

 November 1955 



