TABLE E-19.--Waterfowl breeding populations, North Dakota, South 
Dakota, western Minnesota, 1959-63 
[Index numbers, in thousands] 


Species 






Ducks: 
Dabblers: 
Mallard --<-2--522se~55--5--- ne 480 
Gadwal] -----------=--..--.---- 163 
American widgeon--=-+------.-..~ i 
Green-winged teal-------.--... 1 
Blue-winged teal---------.-.=. 30h 
Shoveler-----+~-=--<5---~-=---- iho 
Pintail-------------4--5---... 
Subtotal --0---4---4------5.4. 




Divers: 
tae eS ee ee OS 
OO eee 
et en ed 
TABLE E-20.--Waterfowl breeding populations, by species and stratum, North Dakota, South Dakota, 
and western Minnesota, 1962 and 1963 
[Index numbers in thousands’] 

Pereent change from 
1962 Average 
Average 
1958 to 
1963 
esazec ies 


Ducks: 
Dabblers: 
Mallard a ee ae ee ee ae oe eee et ee ae ek + 60,0 
Gadwal 1 -------5-------40--5--- +191.0 
American widgeon-------------- ~ 73.0 
Green-winged teal---------~--- We 
Blue-winged teal --+------~----+ + 70.0 
Shoveler~---=----~.---8--4.-=- + 59.0 
Pintail---+--4---4n--3--==- == id 
Subtotal -----~--------------~ + 57.0 
Divers: 
Redhead =------8--8-2e--285---- +1065.0 
Canvasback----------<----+----- + 50.0 
Sc@upa- anne ene ene nna n enn + 50.0 
Ring-necked duck-------+------- +350.0 
Ruddy duc k-<~e2--ennnenen sen + 4.0 
Subtotal ---------8-5--2---e == + 70.0 
Total ducks-~-------~-------- + eee Tl + 58.0 
Coots A A Pe OD et Last 43.0 + 2.0 
Note.--The 1962 totais have been adjusted to the change in sample intensity brought about by dropping 
North Dakota (west) coverage which showed it to be insignificant as a contributor. 
iZi 
