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* 


BULWER'S PETREL (Bulweria bulwerii): At-Sea Distribution and Abundance 


The following maps represent all At-Sea observations made by 
personnel of the Pacific Ocean Biological Survey Program from February, 
1963 > through August, 1965 * 

Each square represents one days observation from the first through 
the fifteenth of the month, while each circle represents one days 
observation from the sixteenth through the thirty-first of each month. 

Numbers refer to the actual number of birds observed during the day. 


Color code: 

yellow = 0 birds 
green = 1-10 birds 
blue = 11-50 birds 

red = 51-100 birds 

brown = 100+ birds 






BULWER T S PETREL (Bulweria bulwerii) 


□ 1-15 December 

0= 16-31 December 

Q — 

=■ 1-10 w 
O =11-2^ " 



At-Sea Distribution and Abundance 


DECEMBER 


















































































































































































































































































































































































































































































1-15 November 


O = 16-31 November 
0 = 0 birds 

'® - 1-10 " 


BULWER'S PETREL (Bulweria bulwerii ) 



(^) =26-50 M 
QSSi SB 



































































































































































































































































































































































































1-15 October 
16-31 October 

it 


BULWER r S PETREL (Bulweria bulwerii) 


At-Sea Distribution and Abundance 


OCTOBiuK 


=500+ » 



□ 


□ 







































































































































































































































































































































































































































































































































































































































BULWER'S PETREL (Bulweria bulwerii) 


□ 1-15 September 

O — 16-31 September 


At-Sea Distribution and Abundance 
































































































































































































































































































































































































































































































































































































































































































































































































































































































































































□ V15 July 

O = 16-31 July 
©-=Jl-birds 

© ^1-10- birds 


O =36-56- * 

Q- si-t ee — - 

^Ole^CO’' 
=500+ 


BULWER’S PETREL (Bulweria bulwerii) 


At-Sea Distribution and Abundance 


JULY 


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I I 1-15 June 
O « 16-31 June 




BULWER’S PETREL ( Bulweria bulwerii ) 
At-Sea Distribution and Abundance 


JUNE 



BO □ <S0 O O QS> O'® 
















































































































































































































































































































































































































































































































































' □ i-i5 way 
O = 16-31 f&y 


@5BCSSex:xXX BULWER'S PETREL ( Bulweria bulwerii ) 

©MJBS5XXKX 



At-Sea Distribution and Abundance 


Q mwswx x may 




































































































































































































































































































































































































































































































□ - 1-15 April 
0*6-31 April 

Gscoxmras 

©bosxssxxk 


BULWER'S PETREL (Bulweria bulweril) 







































































































































































































































































































































































































□ - 1-15 March 
O -16-31 Haroh 



BULWER'S PETREL ( Bulweria bulwerii) 
At-Sea Distribution and Abundance 


0»pQS®&OKXX 



n 

























































































































































































































































































































































































n *= 1-15 February 
O = 16-31 February 



BUEWER'S PETREL ( Bulweria bulwerii) 


At-Sea Distribution and Abundance 
FEBRUARY 






O 


o 


o 


o 





































































































































































































































































































































































































































































































































□ 

o 


1-15 January 
16-31 January 


]@m)®c^xxxx 

]@m306eseaix 


BULWER'S PETREL ( Bulweria bulwerii ) 
At-Sea Distribution and Abundance 



Docmxjsscrafx 


JANUARY 



SI-MW-38 (Rev. 9-65) 



O 


C 


C 


C 


c 









































































































































































































































































































































































































































































































I 










Bumm 'S PETREL (Bulveria bulwerii ); At-Sea Distribution and Abundance 






Tiie following maps represent, all At-Sea observations made bv 

• •. r 

personnel of the Pacific Ocean Biological Survey Program from February, 
1965 , through August, 1965, 

Each square represents one days observation from the first through 

. - - 

the fifteenth of the month, while each eircle represents one days 
observation from the sixteenth through the thirty-first of each month* 
Numbers reier to the actual number of birds observed during the day. 


Color code: 




yellow « 0 birds 
green «= 1-10 birds 
blue = 11-50 birds 

red m 51-100 birds 

brown « 100+ birds 
















- 



















BUItfER’3 PETREL ( Bulveria bulverii) 


□ 1-15 December 

Q = 16-31 December 

0 birds 

@ » 

(^) =H—25 n 

O =26-50 ** ” 


At-Sea Distribution and Abundance 


O =51-100'" 

Q =101-500" DECEMBER 

























































































































































































































































































































































































































































































































□ 1-15 November 

O = 16-31 November 

Q =* o wxes 


SSSTMi 


- i . If 


a&it 

Vv-i 


© “ 26-50 " 


BULV 7 ER' 3 PETREL (Bulweria bulverii ) 


At-Sea Distribution and Abundance 




II 


£ «101«5©Q!> NOVEMBER 








































































































































































































































































































































































































































































































1-15 October 



October 

s 

it 



n 




BULKER 1 S PETREL (Bulweria bulveri i) 


At-Sea Distribution and Abundance 



OCTOBER 































































































































































































































































































































































































































































































































































BULKER'S PETREL (Bulverla bulverli) 


□ 1-15 September 

O = 16-31 September 


® - l-ic " 



II 



II 


At-Sea Distribution and Abundance 



SEPTEMBER 



SI-MNH-38 (8-65) 




30* 


170* 


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15CT 


NORT 


KURE 






PEARL AND HERMES REEF 


10 * 

180* WEST 


♦ LISIANSKI i _ 

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SM 


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□ J-15 July 

O = 16-31 July 

Q.= birds 

® =1-10. birds 

O =11-25 " 

O =26-50 . " 

O =51-100 " 



101 - 500 " 


BU1WER' 3 PETREL (Bjlveria b-Uvc-rli ) 
At-Soa Distribution ^nc Abundance 


JULY 









































































































































































































































































































































































































































































































































BULVER’S PETREL (BalwrU Tnilveril) 


I I 1-15 June 

O * 16-31 June 

0=0 birds 
0 = 1-10 « 

O “11-25 " 


A'--Sea Distribution aal .* bundancc 


> 51-100 " 
• 101 - 500 " 


JUNE 









































































































































































































































































































































































































































































































































































1-15 Hay 
16-31 I&y 
MSGK 

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(OCXX 
jaeexx£XXK 

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# =101-300" 


BULKER'S PETREL (Bulveria bulverli ) 
At-Sea Distribution ?ad Abundance 

i%Y 



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□ - 1-15 M&roh 
O *16-31 Haroh 
birds 


XX 


25 


BULVER'S PETREL (Bulveria bulverii ) 
At-Sea Distribution an?’ Abundance 


30* 


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2 (7 


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MARCH 


SWttH-18 (Rev* 9-45) 


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MSSSfflR 


BOLSTER'S PETREL ( Bulveria bulverii ) 

At-Sea Distribution and Abundance 

FEBHUABI 



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1-15 January 
16-31 January 



r 

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BUIME'S PETREL (Bulweria bulweril) 


At-Sea Distribution and Abundance 



JANUARY 


SI-MNW38 (Rev. 9-85) 


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$ 1. 


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}buck 

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ru 1 . 








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IE 

so* 

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CARC 

June i. 
_*. 

10* 

cm iTu 










100 

200 3C 

0 - 400 

500 STATUTE MILE 


1 IBU Wt5l 

2< 

1 - - -- 




|J\J WLJ 1 



















































































































































































































































































































































































































































































































































































BUIWER’S PETREL (Bulwer ia bulverii ): At-Sea Distribution and Abundance 








*. *' \ 

The following maps represent all At-Sea observations made by 
personnel of the Pacific Ocean Biological Survey Program from February, 
1963 , through August, 1965. 

Each square represents one days observation from the first through 
the fifteenth of the month, while each circle represents one days 
observation from the sixteenth through the thirty-first of each month. 

Numbers refer to the actual number of birds observed during the day. 




Color code: 

yellow *» 0 birds 
green = 1-10 birds 
blue ox 11- SO birds 

red » 51-100 birds 

brown = 100+ birds 


















■ 



















BULKER'S PETREL ( Bulweria bulwerli) 



1-15 December 


O = 16-31 December 

-WUft 


0 , *2w 


At-Sea Distribution and Abundance 


, ©*®93« 



0 rmuuu 


DECEMBER 


SI-MMH-38 ( 8-65) 


, 70 . CENTRAL PACIFIC OCEAN l60 . », 

20* 

10* 

0* 

10* 



1 



H 



W 

' A 




















— 

3CT 

NORTH 

• 

20 * 

10* 

0* 

10" 

KU 

RE 1. 

* 

« 

MIDWAY 

1. 






/ 


< 

A 
















— 

--- 



a 

PEARL C. 

_ 

ND HERMES 

REEF 






4 


N 





















LISIA 

NSKI 1. 






















— 









• LAY 

6AN 1. 










/ 








r 

K 













• GARC 

NER P 

NNACl 

i-ES 






4 





r 


t 

y~ 








_ 





"V 

FRENC 

H FRIG 

• NEC 

ATE SI 

KER 1. 

IOALS 

i*NIHO; 

, 1 . 





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— 

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— 














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• 

JARVIJ 

5 1 . 
















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/JkNq 

)S 





























%CAA 

TON 1. 

























McKE 

AN l. « 

E 

NDERBURY 1. ' 

B|RN*E 1 

• PHC 

— 

ENIX 1 

















_ 








GAR 

HI. 

DNER 

ILL 1 . - 

-9 

YDNEY 

1 . 














MAL 

DEN 1. 



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► STAF 

BUCK 

1. 


—-- 4 










— 


— 



















lo 









\SL 

A No 

S 



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TONGA 

REVA 

1 . • 















*NUKI| 

*| 

JNONO 

r AKAOI 

1 . 

’U 1 . 









16 

0 * 

; 






- 

CARCj 

lineal 

ISO 

'WEST I 70 *™«Q 

100 2 

<5<5 

- 3 S< 

5 - 400 5 

00 STATUTE MILES 


SOUTH 






20 * 


- f - f —/—/-—y 


--—-- md 


















































































































































































































































































































































































































































KAUA 


MAUI 


EMDERBlJRY I. 


REVA 


TONG, 


TOR 


500 STATUTE MILES 


□ 1 - 1 5 Novernier 
O = 16-31 November 


* w 


O “11-25 






BULWER'S PETREL (Bulweria bulwerii ) 


At-Sea Distribution and Abundance 


0;;»26*5O " 


# 

•- 


NOVEMBER 


S|-MN^-38(8-35) 


(70 . CENTRAL PACIFIC OCEAN 160 . 


iso- 


sc r 

NORTHI 


KURE I. 


« MIDWAY! I 


JP 

PEARL AND HE 


RMES REEF 


LISIANSKI I. 


• LAY! IAN 


• GARDNER PlNNACl.ES 


4 - -4- 


f FRENCH FRIGATE SHOALS 

• necIker 


NIHOA 


TON-SAND I. 


KINGMAN REEF 


NREf 


WLANDT 


• HO' 

• bIaker 


PALMYRA I 


• WASHINGTON I. 


* Fannin 


CHRISTMAS 


McKEAN I. « 


JARVIS 


RNIE I * PHOENIX 


10 * 

180* WEST 


GARl 


HUi 
DNER 


-Sydney 


\S lands 


ATAFU I. 


MAL 


DEN I. 


k STAfiBUCK 


CARcjuNE^I. 


10* 

SOUTH 
150° WEST 










































































































































































































































































































































































































□ 1-15 October 

O = 16-31 October 


BULKER' S PETREL (Bulweria bulwerii) 


It 


It 


At-Sea Distribution and Abundance 





o 


0 























































































































































































































































































































































































































































































































BULKER’S PETREL ( Bulweria bulwerii) 



1-15 September 



= 16-31 September 



At-Sea Distribution and Abundance 


Qbo^BSSO^ " 







c 







































































































































































































































































































































































































































































































































CENTRAL PACIFIC OCEAN 


50* 

NOfTH 


e MIDWAY I 


id heRmes Reef 


• GARDI 


NER PI 


RENCI 


RIGATE SHOALS 
NEGKER BSQ 


ON-SAND I 


PALMYRA I 


WASHINGTON I 


HOWLAND I 


BAKER I 


JARVIS I. 


% CANTON I. 


ENDERBURY I. 


McKEAN I 


BIRNIE I 


-SYDNEY 


MALDEN I. 


STAftBUCK 


TONGAREVA 


NUKUNONO [ 

*FAKAOI'l 


10*1 - 

180* WEST 


, 10° 
SOUTH 
150° WEST 


I70’3 0 ^ 


500 STATUTE MILES 


□ 1-15 Auntie t 

0 = 16-31 Afigust 

O-0"t7±rds 


BULV^K ’ S PETREL (Bulver ia bulverii) 


VJ^n-25 " 

©=26250' " 

O -51-100 ti 

®A101-500” 
% =500+ ' " 


At-Sea Distribution and Abundance 


AUGUST 


S|-MW-38 (8-65) 
























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































II 1-15 June 
O * 16-31 June 



rw*\rv 


Q -n-25 ax 


BULKER'S PETREL (Bulverta bulvrerii) 


At-Ser. Distribution and Abundance 


Q5>*gcoasocx 

0^o(tfXXXX 


JUKE 


SI-MNH-38 (8-65) 


30 * 


BO* 


170 * 


CENTRAL PACIFIC OCEAN 


160 * 


20 * 


KURE I 


c MIDWAY I 


H 


10* 


PEARL A|ND HERMES REEF 

0 




lisiaKski 


w 


-4- 


.LAYSAN I. 


• GARDNER P 


0) 


N 


NNACLES 


FRENCH FRIG 


ATE SHOALS 



EL 


NEGKER I I 


w 


I t> ljQHNStON-SAND 


-r- 


ISO* 

3cr 


NORTh 



20 * 


10* 


FOIIA-J 



J 















KING!' 

j 

MN Rf 

* 

:ef 


- - f 


— 

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in 

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c 

1 - 

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— 




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f - 

1 - 

*- 


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1. 

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i- 

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F-- 















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1 - 


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1 — 



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< 

> 

tu 

1. 




- 











9 NUK 

* 

If 

> z 

o o 

1 1. 

rui. 



^— 

i 






If 

50* 








CARC 

. 

JUNE 1. 

J *- 

0* WEST 




1 



J m 

r 

•=*50-= . Sg • 



0^ 400 1 

^00 STATUTE MILES |50 „ 


10* 
SOUTH! 


© 


© 

© 


© 

© 






















































































































































































































































































































































































































































































































































































































' □ 1-15 Hay 

O = 16-31 1-fey 

O =-QQQSaKX 


BULKER'S PETREL (Bulwerla bulvrerii) 




At-Sea Distribution and Abundance 

¥AY 





© 


































































































































































































































































































































































































































































































































































□ - 1-15 April 

0*»6:-3l; April 

Qscgssxsx 


BIOTER'S PETREL (Bulweria bulwerii ) 

















































































































































































































































































































































































































1 1-15 March 
«l6-31 March 
> 0 


BULWER’S FETOEL (Bulveria bulverii ) 
At-Sea Distribution and Abundance 






MARCH 


SWW-48 (fiev. 9-45) 


30* 


ISO* 


20 * 


10 * 


0 * 


10 * 


l70# CENTRAL PACIFIC OCEAN 160 . 


- 





H 

i 


IV 

i A 





















KURE 1 

4 

-L 

• 

HtDWAY 

1 






/ 


i 

A 




















P 

m 

Earl t 

NO HE 

RMES 

CEF 






-s 


N 












• 









, LISIA 

MM 1. 



























u 



P 

i 

t 

LAY 

r 

5AN 1. 

□ 









/ 






r\ 




O 












0 

• GARC 

pi 

iNER p 

NNACl 

iES 






4 


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t-7 











r\ 






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\ 

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| FRIG 
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URY 1. • 

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HI 

ONER 

LL 1.- 


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1 . 





c 

3 








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DENI 


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1 


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1 . 





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• 

- — 

i 
















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s 

















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AFU 1. 













TONGA 

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□ 






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0* 








CARQ 

JNE l 

-4 


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150* WEST 


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□ 











































































































































































































































































































































• MIDWAY I 


PEARL AND HE&MES 


150* WEST 


Q 46 1-15 February 
O 38 16-31 February 

SboeemwaSK 

©DQgraXXaXXtf 


<SODeaesanDooc 

®K»QSIJa[2ffiDCK 

•ooecmxjfliaoi: 

ac 


BULWER'S PETREL ( Bulweria bulwer lt) 

At-Sea Distribution and Abundance 

FEBBUAHI 

CENTRAL PACIFIC OCEAN 


Sl-MIH-38 (Rfv. 9-65) 





■4 -- 

1- 




’TOA'i 

'^AN 1. 










/ 


N 

/ 






4\ 

| 


j - 










□ 

• GAR 

ONER 

J 

PNNAC 

Jl.ES 







P 





— ( 

P 





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i 

pREN( 

SH FRK 

• NE 

SATE S 

dxER 1 

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i 1 . 





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[ 

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EEF 



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M 

IRY 1. ■ 

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1 




< 

* NUKIJ 

J 

NONO 1. 

AKAOII 

nr 

Jl. 


100 ~ 

-2? 

,T- 


-— 

Ann 

- Kc 

160* 

wVq tati ire 

— ~t - 

uTTFc 







CAROL 

-"“*crv 






































































































































































































































































































































































































































































































































































- 1-15 January 

Q = 16-31 January 

iSbo&dokxsxxXx 

&CSOCWCSXXXX 

&Dsx6sBbaXx 

@3DefD5ba£8£dx 


BUIEHR'S PE J MEL (Bulveria bulverli) 


At-Sea Distribution and Abundance 


fecmtosssoiRx 

•joacxsaojsocxjfx 


JANUARY 


Si-MNM-38 (Rev. 9-65) 



O 


o 


o 


o 


o