sentences:  Populations of white-eared honeyeaters in Western Australia have significant genetic changes (2.23%) compared to eastern populations; however, there are no significant phenotypic changes.The fourth recognised race is "thomasi", which is found on Kangaroo Island in South Australia.Populations of white-eared honeyeaters found in arid regions and the Mallee, as well as all populations of race "novaenorciae", do not need a shrub layer or understory in their habitat.