
Table III - Average brood sizes by age classes, 1956, 1957 and 1958 
Species Class I Class II Class III 
and Av. Av. Av. Total 
Year _ pr. Size Br. Size Br. Size Broods 
Black Duck — 
1956 25 6.8 | 43 6.3 h | 5.5 72 
1957 #19 87 50 77 9 8.0 78 
1958 18 8.2 ho 7.5 31 6.7 98 
Goldeneye 
1956 8 5.6 6 7.0 14 
1957 8 5.0 “i 9.4 1 8.0 16 
1958 8 6.5 8 3.1 16 
B.W. Teal 
1956 ll = (7.6 2 5.0 | 13 
1957 9 9.8 5 8.8 1 3.0 15 
1958 7 9.7 6 10.3 | 13 
Ring-necked Duck 
1956 | 
1957 1 8.0 ak 5.0 2 
1958 100s 9. 22, EIG.0.8 13 
Pintail (P.E.I.) 
1956 | 
1957 1 9.0 2 7.0 1 10.0 - 4 
1958 ° 2 8.0 1 8.0 nly 4.O mn 
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