Table 4: Summary 
of Nocturnal 
Obrervat 
ions, \ 
Sark* rn 
Grid, 
Ja n u 
967 
18-19 19-20 
20-21 
21-22 
22-23 
23-24 
c 4-; ■' c 
■5-26 total 
3 b 34.0 
Hours of observation 
1.0 5.0 
5.3 
5.0 
5.5 
5.0 
5.0 
SPECIES 
B.F. Albatross 
0 0 
0 
0 
2 
1 
0 
0 4 
Storm Petrel sp. 
0 0 
0 
0 
0 
2 
0 
0 2 
Gull sp. 
0 2 
lot 9 
0 
2 
2 
6 
0 221 
Kittiwake 
0 0 
1 
0 
0 
0 
0 
1 2 
Phalarope sp. 
0 0 
0 
0 
1 
0 
0 
0 1 
Alcid sp. 
0 0 
1 
0 
0 
0 
0 
0 1 
Bird sp. 
0 0 
1 
0 
0 
0 
0 
0 1 
TOTALS 
0 2 
13^9 
0 
6 
5 
6 
1 33 
Table 5: Diurnal 
Density of Species Groups in 
Eastern Grid, January 
1956 
Species Group 
No. Birds 
Percent of 
Birds 
Total 
Birds/lin. 
mile 
Birds/sq. 
mile 
Albatross 
78 
8.4 
.111 
. 029 
Shearwater/Petrel 
165 
17.7 
.23:? 
.118 
Storm Petrels 
l64 
17.6 
.23- 
.254 
Phalaropes 
24 
2.6 
.034 
. O 68 
Jaegers 
15 
1.6 
* 
.021 
.011 
Large Gulls 
153 
16.4 
.218 
.109 
Kittiwakes 
300 
on p 
^)C- % C- 
.423 
.214 
Alcids 
31 
3.3 
.044 
.088 
Totals 
930 
99.8 
1 
• 33 
.871 
