Acacia heterophylla 1.4 million years ago. "A. heterophylla" sequences nest within those of the more diverse "A. koa", making the latter species paraphyletic. Both species are descended from an ancestral species in Australia, presumably their sister species, "Acacia melanoxylon"; the means of dispersal to Hawaii and then to Réunion (the latter trip a distance of 18,000 km) is thought to have been seed-carrying by birds such as petrels (the seeds of these species are not adapted for prolonged immersion in seawater). Both species also have very similar ecological niches, which differ from that of "A. melanoxylon". Acacia heterophylla Acacia heterophylla, the highland
KOA (AM) was announced and people from all over the nation, picking up the KOA signal at night, would call in with their memories. Big band music from the 1930s and 1940s was also played. The program would always end with the song "And So To Bed". In December 1987, Cox began a new radio program, "No Place Like Home", broadcast from his home on Chicago Creek. Listeners would often hear the fireplace crackling and Cox's dog, Wilbur, snoring. The station was one of ten stations honored at the 2007 NAB Crystal Radio Awards for public service awarded by the National Association