Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
C. G. Loran Station, Sand Island, Johnston Island Atoll
about 250 ± Red-footed Boobies came in to roost but most are either
on the guy-wires (up to 100+ on a single wire) or the rocks offshore.
Ten to fifteen Frigatebirds are nesting (eggs to lg young). Many
also come in at night (150±).