Primitive koa finch viscosa") berries, as these were observed being eaten by other species in the genus. The primitive koa finch is believed to have gone extinct some time after Polynesians first arrived in Hawaii, however very little else is known about this species. Due to its early extinction it is only known from fossil remains. Other Hawaiian honeycreepers are known to have become extinct or very rare due to habitat loss, introduced predators and avian diseases. It is possible the extinction of the primitive koa finch also involved these factors. BirdLife International 2004. Himatione sanguinea. 2006 IUCN Red List of Threatened Species.
Nin Jiom Pei Pa Koa for "Mother and Son Brand", referring to the brand's logo) in Malaysia and Indonesia, also acronymed as OBIDA (as in "Obat Ibu dan Anak") in the latter country. The formula for "pei pa koa" was reportedly created by Dr. Ip Tin-See, a Qing Dynasty physician born about 1880. Yang Jin, a county commander, asked Doctor Ip to treat his mother's persistent cough. They were so impressed that they created a factory to mass-produce it. In 1946, the Yang family sold the business to Tse Sui-Bong, a medicine practitioner, who founded the Nin Jiom Medicine Manufactory. The company was formally incorporated