Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
□ = 1-15 April
○ = 16-31 April
○ = 0 birds
④ = 1-10
○ = 11-25
○ = 26-50
○ = 50-100
● = 101-500*
● = 500+
APRIL
SI-MNH-38 (REV. 9-85)
CENTRAL PACIFIC OCEAN
30°
H A W 4
KURE I.
• MONDAY I.
PEARL AND HERMES REEF
• LISIANSKI I.
• LAYSAN I.
• GARDNER PINNACLES
• FRENCH FRIGATE SHOALS
• NECKER I.
• NIHOA I.
KAUAI I.
OAHU I.
MAUI
HAWAII 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.
BIRNIE I.
• PHOENIX I.
HULL I.
• SYDNEY I.
• GARDNER
TOKELAU ISLANDS
• ATAFU I.
• NUKUNONO
• FAKAOFU I.
10°
180° WEST
170°
160°
150° WEST
100 200 300 400 500 STATUTYE MILES
EQUATOR