TABLE C-5.--Number of birds observed, by species, Central Flyway extended, 
Species 
Ducks: 
Dabblers: 
Mallard~-----=-----. 
Black duck---<-=---- 
Mottled duck-+----- 
Gadwal]--~---.~---.. 
American widgeon--- 
Green-winged teal-- 
Blue-winged teal---~ 
Shoveler--+---=.--= 
Subtotal -<---=-=--- 
Divers: 
Ring-necked duck--- 
Goldeneye +------+-- 
Bufflehead--------- 
Ruddy duck--------- 
Subtotal -~-------- 
Miscellaneous: 
Eider and scoter--- 
Merganser ---------- 
Subtotal--------. 
“nee Unidentified--------- 
Total ducks -------- 
Geese: 
Snow goose------.--.=- 
Blue g00sé@--.---~----- 
White-fronted goose-- 
Canada goose--~------ 
Total geese-------= 
Swan: 
Whistling swan------- 
Trumpter swan-----~-- 
Total swan--------- 
Grand total---------- 
winter survey, 1962 and 1963 
1962? 19632 


1,659,559 
2,948 
7,930 
95,565 
252,100 
223,500 
60,855 
65,793 
602,685 
1,251 


1,467,356 
8 












2,643,805 3,004,000 


395,044 
21,362 
315,358 
36,593 
11,034 
5,833 
10,108 

347,905 
6 








632,177 795,352 
52,888 82,450 
52,893 82,450 
105,833 139,538 
3,434,708 4,021,340 

218,688 
ho] 
23,747 
163,712 






201,573 



406 , 568 665,568 
55 2 
137 258 
192 Trace 263 Trace 
642, 504 14.3 429,276 8.4 
1 nased on observed waterfowl. 
83 
Percent 
change 
+13 
+222 
+219 
+13 
+228 
~51 
No count 
: 83 
- 
+14 
+14 
+247 
+25 
-26 
+56 
+28 
+32 
+17 
