44 
Table B-23. Colorado -- Species composition of 1978 duck breeding pair population. 
a —t =e —— ss a oe Fe oe i ee i ot eS OSS SS ee ee —— Se - — 
—— ss a: _ oes _— = =_- 
— 
Number of breeding pairs 

1954-76 1954-76 © 
Species 1978 19764 averaye 1978 1976 average 
Mallard 21,313 17,324 27,865 29 24 52 
Blue-winged and 
cinnamon teal 9,267 7,432 5,761 13 10 ‘o) 
Gadwall 14,311 4,205 5,283 19 6 10 
Pintail 3,957 2,980 3,607 5 4 7 
Shoveler 5,866 21,145 3,439 8 30 6 
i eal 12,739 9,136 2,743 18 13 51 
Redhead 543 3,623 2,314 l 5 4 
Wigeon 978 2,75U 1,138 l 4 2 
Other divers 3,952 2,426 1,560 5 3 3 
Total 72,526 71,021 53,710° 
a i ee a ee <a ee ee een ss ese” Le SS SS Oe 
— ——s+ —=_= 

AComparative data for 1977 not available. 
Species composition computed from data from all areas for the 22 year period 
regardless of changes in survey method. 
Percent species composition 
—— a 
45 
Table B-24. Colorado -~- Number of Canada Geese observed and estimated production 
on trend areas in Motfat County, 1978. 
Se ee ee SSS a a a a rs oe ee 
Nesting Non-nesting Total Estimated No. Total 
Area pairs birds adults Gos Lings@ birds 
Yampa River 
Craig-Juniper 
Springs 22 105 149 65 214 
Juniper Springs- 
Cross Mountain 23 93 139 106 245 
Lily Park? 98 29 127 
Subtotal 386 200 586 
Green River 
Brown's Park 73 96 242 285 527 
Dinosaur National 
Monument 39 130 208 198 406 
Subtotal 112 226 450 483 933 
Little Snake River 20 61 101 90 191 
Total 937 773 1,710 

rs i ee + re nn we we ee ee ee a ee 
4calculated using average brood size and number of successful nests. 
Not surveyed. Calculated totals are averages of 1973-77 totals. 


