Death poem waka. Sometimes they are written in the three-line, seventeen-syllable haiku form, although the most common type of death poem (called a "jisei" 辞世) is in the waka form called the tanka (also called a "jisei-ei" 辞世詠) which consists of five lines totaling 31 syllables (5-7-5-7-7)—a form that constitutes over half of surviving death poems.(Ogiu, 317-318). Poetry has long been a core part of Japanese tradition. Death poems are typically graceful, natural, and emotionally neutral, in accordance with the teachings of Buddhism and Shinto. Excepting the earliest works of this tradition, it has been considered inappropriate to mention death explicitly; rather,
Japanese bush warbler has led to the birds being kept as cage birds. Robert Young records that to encourage singing the cages of kept birds were covered with a wooden box with a small paper window that allowed only subdued light in. Along with the return of the barn swallow the bush warbler's call is viewed by Japanese as a herald of springtime. It is one of the favorite motifs of Japanese poetry, featured in many poems including those in "Man'yōshū" or "Kokin Wakashū". In haiku and renga, "uguisu" is one of the kigo which signify the early spring. In poetry the bird