|
The Hawaii elepaio (''Chasiempis sandwichensis'') is a monarch flycatcher found on the Big Island of Hawaii. Formerly, all three elepaio species, the Kauaʻi ʻelepaio, (C. sclateri), the Oʻahu ʻelepaio, ''C. ibidis'', and this species were considered conspecific. The three subspecies on the Big Island differ in their ecological requirements and head coloration (see also Gloger's Rule):〔 * ''Chasiempis sandwichensis sandwichensis'', the Kona, elepaio. It differs from the volcano subspecies by having the forehead and the supercilium whitish with some rusty feathers. It inhabits mesic forest characterized by ''koa'' (''Acacia koa'') and ''ōhia lehua'' (''Metrosideros polymorpha''); its population seems to be stable at about 60,000–65,000. * ''C. s. ridgwayi'', the volcano elepaio. This is the most common subspecies today, with a population of around 100,000–150,000, or more than half of the total number of elepaio. It is a bird of the rainforest, which on Hawaii are characterized by ''ōhia lehua'' and ''hāpuu'' (''Cibotium'' tree ferns). * ''C. s. bryani'', the Mauna Kea elepaio, is only found in the māmane (''Sophora chrysophylla '') – naio (''Myoporum sandwicense'') dry forest on the leeward slopes of Mauna Kea. It has the entire head heavily washed with white. Due to destruction of most of its habitat, it is the rarest Big Island subspecies, with a population of 2,000–2,500 birds. ==References== 〕 }} 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hawaiʻi ʻelepaio」の詳細全文を読む スポンサード リンク
|