52 
Table B-30. Comparison of the number of Canada Goose singles and pairs observed 
on aerial surveys in west central Colorado, Spring 1977 and 1978. 
oe Ss ee 
Number Observed 
Aya 1978 1977 

White River 31 15 26 32 
Roaring Fork River 2 2 6 
Colorado River 
aie 30 13 ao 33 
Bridge-Utah Line 4 2 4 7 
Gunnison River 
Hotchkiss-Del ta 
Nelta-Grand Junction 4 = 1] 
Total 71 32 70 89 
eS ee ee oe 

53 
Table B-31. Nebraska -- Duck breeding population composition and change in the 
Sandhills, 1978.° 




1978 1976 Percent Percent 
Species Total Total Changed Comoosition 
Mallard 29,943 29-193 + 44 £349 
Blue-winged teal 44,942 26,251 + 48 2500) 
Green-winged teal 529 79 +558 ya 
Pintail 9,818 6,451 2 7.8 
Gadwal] 14,960 9,125 + AA 11.9 
Shoveler 18,047 19,761 + 68 14.3 
Wigeon 79 
Kednead 3,298 1,978 + 67 2.6 
Canvasback 729 9.6 
Scaup 5257 WOES +341 4.2 
Ruddy duck Gi 2 A] se 5:7 - 97 0.2 
Total 126,96 B77 1 AG 109.9 
4Based on data from aerial surveys. 
Change from 1976, last previous year of aerial surveys. 
Table B-32. Summary, Nebraska Sandhills ground surveys, 19793. 
Class | Class I] Class IT] Single 
Broods Ducklings B D B 8) Adults Pairs 
All Species 17 192 19 32 14 79 26 17 
Total broods on transect 41 (+273% from 1977) 
Total ducklings on transect 294 (+187% from 1977) 
Ducklings/brood 4.98 (-1.47 ducklinags/brood from 1977) 
Total water areas on transect 235 (+19% from 1977) 
