7 
Table 1. Summary of Southern Grid Observations during the period 
15-24 September 1966. 
Date 
No. Mi 
15 September 
76 
16 
94 
17 
101 
18 
50 
19 
115 
20 
89 
21 
no 
22 
95 
23 
78 
24 
20 
TOTALS 
828 
16-17 
114 
17-18 
101 . 
18-19 
92 
19-20 
107 
20-21 
ns 
21-22 
116 
22-23 
30 
23-24 
63 
TOTALS 
741 
GRAND TOTALS 
1569 
DIURNAL 
i* Minutes 
No. Birds 
485 
853 
661 
1033 
649 
4999 
628 
2-688 
618 
4983 
723 
976 
719 
1687 
724 
6137 
725 
4045 
135 
49 
6067 
27,450 
NOCTURNAL 
712 
57 
711 
208 
704 
44 
708 
29 
717 
13 
718 
55 
712 
180 
711 
26 
5693 
612 
11,760 
28,062 
Mo. Species 
12 
13 
14 
15 
13 
11 
8 
10 
13 
6 
25 (11.5/day) 
5 
6 
3 
3 
2 
4 
7 
3 
10 (3.87/night) 
27 
