Ludwig, J.F . 
19 & 
25 
l - - -oj 
j f ; ' • 
and counted the following numbers of birds: 
Black-necked Stilt ~ 116 
American Coot - 17 / 
Shoveller Buck - 250 (Count) (est. 325+- 50 birds) 
San&erling - 6 
Turnstone -28 
Plover - 5 
Tbttler -2 
I have the impression that there are fewer stilts here now than last 
month (saw no herons), also fewer Coots, but increases in the number 
of ducks, sanderlings and turnstones were apparent. 
March 2-17, 1964- Starbrlte Cruise for March. Collected 14 of the 25 
birds this month. 
March 20, 1964 
Today I celebrated tag' 25 birthday by an extensive visit to Manana 
Island and spent most of the day there. The personnel of Sea Life Park 
have been most helpful in providing transportation and also in arranging 
for a reliable boatman. We were on the island by 11:00 and left approx. 
I 650 , A total of 289 Wedge-tailed Shearwaters and 211 Sooty Terns were 
banded. No recoveries were made. 5 dark phase Wedge-tails were banded. 
Population estimates for the island In term of Pairs of breeding 
birds are as follows: 40,000+-10,000 Sooty Tern (20 percent with eggs),* 
8,000+-3,500 Common Noddies; 1700+-500 Wedgetailed Shearwaters (l egg 
located) [est. JO percent of burrows dug in, 30-40 percent occupied 
during day, and approximately l/3 of the birds present in burrows to&ay 
were paired, i.e., 2 birds/burrow]. I checked the leg size of this 
population and decided that No. 4 size Bands were as suitable as 5' s » 
