Fifty-first Progress-Kure Atoll 
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Period covering 16 through 31 May 1966. 
Field party was composed of Paul W. Woodward for the entire period. 
A. Projects presently in progress: 
1. Weekly shorebird and seal count. 
2. Blue-faced Booby breeding biology- 20 nests in the north antenna field 
are checked daily to determine incubation period, hatching dates, and 
addition of new nests. Five new nests were added during the period. Eleven 
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nests in the south antenna field are checked weekly. There are presently 
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13 chicks in the31 nests. 
3. Brown Booby breeding biology- 17 nests in the north antenna field are • 
checked daily. An additional three nests are checked weekly in the south 
antenna field. There are three chicks in the 20 nests. 
4. Red-footed Booby and Great Frigatebird breeding biology- periodic 
checks are made in the nofcth and central roosts for nest construction, egg 
a 
laying, and hatching. 
5. Red-tailed Tropicbird breeding biology- study area is checked weekly 
for nesting activity and identification of pairs. There are presently 38 
eggs and one chick in the area. Four nests were destroyed during the period. 
6. Polynesian rat ecology- area AL was trapped three times during the 
period and 83 animals killed. 
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S r . - - ■ ; ■ ‘ - 
Sooty Tern breeding biology- four study plots in the central roost 
are checked daily for addition of and loss of eggs. 
8. Verbeseaa spraying- project completed during the period. The single 
and double dose spraying killed all the plants after two applications two 
weeks apart. 
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