Hawaiʻi creeper is able to climb up and down trees. It uses its short, sharp beak to probe bark for insects residing underneath. If available, it will sip nectar from koa ("Acacia koa") or ōhia lehua ("Metrosideros polymorpha"). The breeding season of the Hawaii creeper lasts from April to July, during which female birds lay one to three eggs. Nests are hidden in a tree cavity or built on a high branch in either a koa ("Acacia koa") or a ōhia lehua ("Metrosideros polymorpha"). Eggs hatch after around thirteen days. The Hawaii creeper was put on the endangered species list in 1975;
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