Greater koa finch below. It had a thick black bill which allowed it to break open seed pods that were found in the trees. In historical times, its range was largely confined to the Kona District of the island of Hawaii, although it was observed in the Kīlauea area in 1895. It was much more widespread prior to the arrival of humans in Hawaii, and related species lived on other islands. In Kona, it co-occurred with the closely related lesser koa finch ("Rhodocanthis flaviceps"), and the Kona grosbeak. The lesser and greater koa finches were once thought by scientists to be the minimum
Koa Kannon one urn was secretly collected up by a group including Miyoshi Tobita, the manager of Kuboyama Crematorium, and Shohei Sanmonji, defense counsel to Kuniaki Koiso, and on 3 May 1949 this urn was carried to the Koa Kannon temple due to its links with Matsui. Right away the head priest Master Ninrei Itami intuitively understood that these were the ashes of the seven war criminals and hid them until he thought the time was right. Finally on 19 April 1959 the stone monument of the seven warriors was erected, with the inscription written personally by former prime minister Shigeru Yoshida,