Table IV - Broods Seen During Aerial Census (Delaware)- Comparison of June Counts, 1951-1952 
Census Unit Broods No. in Brood * Approximate Age 
No. 195) 1952 1951 | 1952 195] 1952 
Og her ee neice Ngee 
l l 1 6 9 8 weeks 10-12 weeks 
a a ec a ars es 
2 0 0 ? -- 
l 4 
np 
3 l l 6 5 weeks 4 weeks 




7 
1 8 7 weeks 
] 3 2 days 
1 6 ? 
Sinn entre cc 
4 l l 3 5 2 weeks 10-12 weeks 
l 4 inc, 2 weeks 
—_— Eee COR 
5 1 re 9 5, line. 5 days 1- 5 days 
1 3 9 5,5, 12 2 weeks ? 
1 . 5 4 weeks 
1 4 2 weeks 
l 3 10-12 weeks 
6 ] ] 5 5 6-7 weeks 3- 7 days 
1 1 inc. (Wood duck) 7 1 week 
l l 9 3 7 weeks. 6 weeks 
3 30 ? 
es a eS a a ee ee ee 
7 0 1 0 linc. -- 3 weeks 
1 7 4 weeks 
l 2 2 weeks 
1 7 6 weeks 
l 5 3 weeks 
8 1 1 10 5 8 weeks 6 weeks 
] l 7 3 ? 4 weeks 
9 0 0 0 0 a ae. 
10 0 0 0 0 a Re 
11 0 0 0 0 Bie aes 
OOOO OEE Oe 
Total 17 22 116 109 
* All black ducks unless otherwise noted. 
£62 
