} 
Second Prorreos Report 
.96' 
June- Judy A r i‘F 1964 
/ / £ Y.- (_>1) 
// 
// ?! 
Burin r 
the 
second 
31 
were s , 
* 
*~A ““ 
^ sS 
at sea 
or 
ashore while 17 
in Pago Pago. Size islands were visited during this 
period and, with the exception of Hull Island, complete bird and plant surveys 
we're made* Insect collections were made where needed to fill in previous 
collections and ectoparasites were collected off of as many species as possible* 
109 blood samples were taken, 105 birds collected, 10333 birds banded with 
3161 returns being obtained, plant collections were made on all islands and 
fish collections were made on three islands. 
Further evidence was gained during the second half of the trio regarding 
the importance of cats as. -.a limiting factor on bird distribution. 
Oct. -Bov. preliminarjr report it was proposed that presence of cats on an island 
would prevent the breeding of petrels, shearwaters, or small terns* 
in the 
evidence 
trip (Feb* -Mar. ) indicated chat cats in large numbers would 
eliminate Red-footed Boobies, Frigates and possibly Blue-facod Boobies from an 
n a i ^ v^n 
If forts by the Smithsonian warty on Howland* Baker and 
mderbury have 
been directed toward the comolete elimination of cats on these islands. 
the 
*> * ♦ 
c f t q "h p q 
U* V--W W kj •. — «w U> v./ _ • 
q uite surorisinr' 
— •- w* 
'•■"V V* I”' 4* T "VN 
1 e — o u'_t *e. w .• - o 
n lowland , where the last cat was eliminated 
Vp Wwi 10 *^r 
rather immediate response cf the birds to the elimination of 
0 : 
ios 
setting on the ground and one species of small tern nesting for the first 
in our experience. On Baker where the last four cats were eliminated this July 
4 . • 
we found ten nests cf Blue-faced Boobies and one nest of a Rod-tailed 
Trcpicbird plus a number of Gray-backed Torn nestlings. None of those birds had 
ng 
for 
nest 
es 
for 
the 
p • 
urs 
c 
been found nesting on previous visits. On Enderbury Island, whore the last three 
