...because many of them became extinct or their numbers drastically decreased before they could be fully studied. Of the 23 species, 16 are extinct or close to extinction, and only a few species, such as the Green Hawaiian Honeyeater, the Red Hawaiian Honeyeater, and the Scarlet Hawaiian Honeyeater, Vestiaria coccinea (Hawaiian name iiwi) (illustration), are relatively common. The reason why many species became extinct is because their native virgin forests were destroyed by humans, but it is thought that their beaks and feeding methods became too specialized to adapt to changes in the environment. *Some of the terminology that mentions "iiwi" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…というのは,十分に研究される以前に,絶滅したり,数が極端に減ってしまったものが多いからである。23種のうち16種は絶滅したか絶滅の状態に近く,比較的ふつうに見られるのはミドリハワイミツスイ,アカハワイミツスイ,ショウジョウハワイミツスイVestiaria coccinea(ハワイ名iiwi)(イラスト)など数種にすぎない。多くの種が絶滅した理由は,固有の原生林が人によって破壊されたためだが,くちばしと採食方法が特殊化しすぎて,環境の変化に対応できなかったためと考えられる。… ※「iiwi」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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