November^ 1944 



Bellrose: Duck Populations and Kill 



353 



6.0 



5.0 < 

 O 



a: 



UJ 



a. 



4.0. 



3.0 



z 



I 



u 

 a. 



2.0 o 



D 

 O 



16-22 23-29 



OCTOBER 



30-5 



6-12 13-19 



NOVEMBER 



20-26 



27-3 4-10 11-14 



DECEMBER 



Fig. 18. — Seasonal composition of the duck bag made by Illinois River valley club hunters 

 in 1940. 



early part, and so increase the compe- 1942 more hunters were in action at 



tition for ducks as the season progresses, Illinois River valley duck clubs during 



or (2) that the composition of the flight the first 2 weeks than during the last 2 



is such that a large bag is more easily weeks of the season, and there was a 



made early in the season than later. general decline in number of hunters as 



As fig. 16 shows, from 1940 through the season progressed. 



RUDDY DUCK 

 CANVASBACK 

 RING-NECKED DUCK^; 

 LESSER SCAUP 



MALLARD 



SHOVELER 



WIDGEON AND 

 GADWALL 



PINTAIL 



GREEN-WINGED 



TEAL 



BLUE-WINGED TEAL" 



6-12 13 19 



NOVEMBER 



2026 



4-10 M-14 



DECEMBER 



6-22 2 3-29 30-5 



OCTOBER 



Fig. 19. — Seasonal composition of the duck bag made by Illinois River valley club hunters 

 in 1941. 



