Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
1-15 April
=6-31 April
= 0 birds
(4)= 1-10
(2)=11-25
(3)=26-50
(5)=50-100
(6)=101-500
(7)=500+
APRIL
SI-NW-38 (REV. 9-85)
CENTRAL PACIFIC OCEAN
KURE I.
MIDWAY I.
PEARL AND HERMES REEF
HAWAII
160°
LISIANSKI I.
LAYSAN I.
GARDNER PINNACLES
FRENCH FRIGATE SHOALS
NECKER I.
NIHOA I.
KAUAI I.
OAHU I.
MAUI I.
HAWAI I.
20°
JOHNSTON-SAND I.
10°
KINGMAN REEF
PALMYRA I.
WASHINGTON I.
FANNING I.
CHRISTMAS I.
HOWLAND I.
BAKER I.
PHOENIX ISLANDS
CANTON I.
ENDERBURY I.
McKEAN I.
BIRME I.
PHOENIX I.
HULL I.
SYDNEY I.
GARDNER
TONGAREVA I.
MILDEN I.
STARBUCK I.
TOKELAU ISLANDS
ATAFU I.
NUKUNONO I.
FAKAOFU I.
CAROLINE I.
10°
NORTH
20°
10°
180° WEST
170°
160°
150° WEST
10° SOUTH
30° NORTH
EQUATOR
200 400 600 STATUTE MILES