
Table I - Summary of Duck Breeding Ground Survey - BAe - 1955-1956 
Continued - 7 
Meir ar Ae BOING 





54 
Breeding Pairs Total 
el . Percent Percent 
Species 1955 1956 Change :1955 1956. Change 
Mallard 29, 558 25,471 - 13.8 64, 834 77, 238 + 19.1 
Pintail © 5, 365 ' 4,813 - 10.3 11,691 14,360 + 22.7 
Teal 3,543 7,701 +117.4 11,337 15,418 + 35.9 
Shoveler 3, 745 2,611 - 30.3 9, 262 8,052 - 13.5 
Gadwall: 1,721 3,319 + 92.9 5,314 7,495 + 41.0 
Baldpate 1, 822 1,814 - 00.4 4,656 4,638 + 00.2 
Redhead 1,164 - 366 -- 68.5 2,328 742 - 68.1 
Coot 456 601 .+ 31.7 4,454 4,917 + 10.4 
‘B. Goldeneye 202 51 - 74.6 405 278 - 31.2 
Am. Merganser 658 445 - 32.3 1, 316 1,948 + 48.0 
Ruddy Duck 304 0 -100.0 1,367 2,134 + 56.1 
Scaup . 202 550 - +172.1 405 1,391 +243.4 
Unknown 6, 883 2,400 - 65.0 13,969 46,921 +235.8 
Total 55,623 50,142 - 9.8 131,339 185, 532 + 41.3 
Table II - Species Composition of Breeding Population, 1955-1956 
Percent 
Number Species Composition 
Species. 1955 1956 1955. 1956 
Mallard 29,558 25,471 53.0 51.0 
Pintail 5, 365 4,813 9.6 —«96 
Teal 3,543 7,701 6.4 15.4 
Baldpate 1,822 — 1,814 — c Dae 3.6 
Shoveler 3, 748 2,611 6.8 5.2 
Redhead 1,164 366 2.1 nee | 
Scaup 202 550 4 L] 
Goldeneye 202 51 4 -l 
Gadwall 1,721 3,319 3.1 6.6 
Merganser 658 445 ee 8 
Coot -456. 601 .8 2 
Ruddy Duck 304 0 oo 00.0 
Unidentified 6, 883 2,400 12.4 4.8 
Total 55,623 50, 142 100.0 100,0 
