Table IV - Waterfowl Broods by Species on the Cache la Poudre Valley Study Area, Township 7 N, Range 68 West 
$e se mache 78 Soucre Valley Study Area, Township 7N, Range 68 West 
BROODS OBSERVED 
Percent Total Production Per 
Number Broods Number Broods No of Young Av. No. Young Square Mile 

1 
SRerxes 1950 1951 1952 1950 1951 1952 1950 1951 1952 1950 1951 1952 1950 1951 1952 
Mallard 62 52 54 76.6 63.5 65.9 363 305 347 5.85 5.86 6.43 10.08 8.48 9.64 
Blue-winged teal 13 25 18 16.1 30.5 22.0 79 165 108 6.08 6.60 6.00 2.19 4.60 3.00 
Cinnamon teal - 1 - - 1.2 - - 9 - - 9.00 - - 0.25 = 
Green-winged teal - 1 - - 1,2 - - 6 - - 6.00 - - 0.16 - 
Lesser scaup - 1 - - 1.2 - - 6 - - 6,00 - - 0.16 - 
Redhead ee om oe eS 3 11 - 3.001100 - 0,080.30 - 
Gadwall ee wl eee Le 8 - - 8.00 -  - 0,22 - z 
Pintail —_— i "ue © 2 co me: 5 6.00 - 5,00 0.18 - 0,14 
Baldpate - ~ 1 - - 1.2 - - 9 Ce - 9,00 - - 0.25 
Ruddy duck mat: of de eee oe le 7 mes - 3.50 - - 0.19 
Unidentified 3 1 6 3.7 1.2 7.3 7 6 33 2.33 6.00 5.50 0.19 0.16 0.92 
Total 81 82 82 100 100 100 466 508 509 5.75 6.20 6.29 12.95 14.1114.14 
. . : 
Table V - Waterfowl Broods by Cover Types on Township 7 N, Range 68 West, Colorado - 1950, 1951 and 1952 

NUMBER BROODS OBSERVED 
Percent Total Av. No. Young Production Per 
' Type Number Broods Number Broods No. of Young Per Brood Square Mile 
1950 1951 1952 1950 1951 1952 1950 1951 1952 1950 1951 1952 1950 1951 1952 
Lakes and Reservoirs 27 52 42 33.3 63.5 51.2 162 328 253 6.00 6.31 6.02 4.50 9.11 7.02 
Sloughs and Marshes 11 12 10 13.6 14.6 12.2 66 78 63 6.00 6.50 6.30 1.83 2.17 1.75 
Irrigation Canals 16 8 10 19.7 9.8 12.2 95 51 71 5.31 6.38 7.10 2.64 1.42 1.97 
59 14 19 1 4.67 6.33 1.46 0.39 0.53 

Irrigation Ditches 14 3 3 17.3 3.6 3.6 4.2 
River 9 4 15 11.1 4.9 18.3 60 19 95 6.66 4.75 6.33 1.67 0.52 2.64 
Creeks and Drains 4 3 2 5.0 3.6 2.5 28 18 8 6.00 6.00 4.00 0.67 0.50 0.23 
we a a I rr 
Total 81 82 82 100 100 100 466 508 509 5.75 6,20 6.21 12.95 14.11 14,14 
SZI 
