Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
□ = 1-15 April
○ = 26-31 April
○ = 0 birds
④ = 1-10
○ = 11-25
○ = 26-50
○ = 50-100
● = 101-500*
● = 500+
APRIL
SI-MW-38 (REV. 9-85)
CENTRAL PACIFIC OCEAN
KURE I.
MIDWAY I.
PEARL AND HERMES REEF
LISIANSKI I.
LAYSAN I.
GARDNER PINNACLES
FRENCH FRIGATE SHOALS
NECKER I.
NIHOA I.
KAUA'I
O'AHU
MAUI I.
HAWAI'I
JOHNSTON SAND
KINGMAN REEF
PALMYRA I.
WASHINGTON I.
FANNING I.
CHRISTMAS I.
JAVIS I.
HOWLAND I.
BAKER I.
PHOENIX ISLANDS
CANTON I.
ENDERBURY I.
MCKEAN I.
BIRNIE I.
PHOENIX I.
HULL I.
GARDNER I.
SYDNEY I.
TOKELAU ISLANDS
ATAFU I.
NUKUNONO I.
FAKAOFU I.
MALDEN I.
STARBUCK I.
TONGAREVA I.
CAROLINE I.
SOUTH
150° WEST
EQUATOR
180° WEST
300 400 500 BYAYOTE MILES
360°
30° NORTH
30°
20°
20°
10°
10°
0°
0°