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Presently, most authorities consider the southern cassowary monotypic, but several subspecies have been described. It has proven very difficult to confirm the validity of these due to individual variations, age-related variations, the relatively few available specimens (and the bright skin of the head and neck – the basis upon which several subspecies have been described – fades in specimens), and that locals are known to have traded live cassowaries for hundreds, if not thousands of years, some of which are likely to have escaped/been deliberately introduced to regions away from their origin. Cassowaries are closely related to the kiwis, both families diverging from a common ancestor approximately 40 million years ago. The binomial name Casuarius casuarius is derived from its Malay name kesuari. The southern cassowary was first described by Carl Linnaeus in his 18th century work, Systema Naturae, as Struthio casuarius, from a specimen from Seram, in 1758. It is now the type species of the genus Casuarius. The southern cassowary has been described under a large number of scientific names, all of which are now considered taxonomic synonyms for the species.

INTO JAPANESE

現在、ほとんどの当局検討、ヒクイドリ、単型が、いくつかの亜種が記載されています。それは個人差、加齢に伴う変化、比較的少数の利用できる標本 (、頭と首-どのいくつか subsp の際の基礎の明るい肌のためのこれらの妥当性を確認する非常に困難証明して

BACK INTO ENGLISH

Currently, there are several subspecies that are mostly examined by the authorities, Hikidori, monomorphism. It proves very difficult to ascertain these validity for individual differences, changes with aging, relatively few available specimens (head and neck - some of the subsp 's foundations for bright skin)

INTO JAPANESE

現在、当局、Hikidori、相性がほとんどチェックするいくつかの亜種があります。個人差、加齢とともに, 比較的少ない利用可能な試料 (頭と首 - subsp の明るい肌のための基礎のいくつか) の変更をこれらの妥当性を確認するために非常に難しいことを証明します。

BACK INTO ENGLISH

Currently, most authorities, Hikidori, compatibility checking some variants. As well as individual differences, aging, relatively few available specimens (head and neck-some of the basis for the bright skin of the subsp) of will prove very difficult to confirm the validity of these changes.

INTO JAPANESE

現在、ほとんどの当局、秀吉は、いくつかの亜種をチェックしています。個体差だけでなく、老化、比較的少数の利用可能な検体（頭部および頸部 - サブスプレーの明るい肌の基礎の一部）は、これらの変化の妥当性を確認することを非常に困難にする。

BACK INTO ENGLISH

Currently, most authorities, he checked several variants. As well as individual differences, aging process, relatively few available specimens (head and neck-part of the bright skin of the subs play Foundation), to ensure the validity of these changes very difficult.

INTO JAPANESE

現在、ほとんどの当局は、彼はいくつかの亜種をチェックした。個々の違いだけでなく、これらの変化の妥当性を確実にするために、比較的少数の利用可能な検体（頭部および頸部の一部）

BACK INTO ENGLISH

Currently, most authorities, he checked some variants. In order to ensure the validity of these changes as well as individual differences, relatively few available specimens (part of the head and neck)

INTO JAPANESE

現在、ほとんどの当局は、彼はいくつかの亜種をチェックした。これらの変化および個人差の有効性を確実にするために、比較的少数の利用可能な検体（頭部および頸部の一部）が、

BACK INTO ENGLISH

Currently, most authorities, he checked some variants. To ensure these changes and the effectiveness of individual differences, a relatively small number of available specimens (part of the head and neck)

INTO JAPANESE

現在、ほとんどの当局は、彼はいくつかの亜種をチェックした。これらの変化と個体差の有効性を確実にするために、比較的少数の利用可能な検体（頭頸部の一部）

BACK INTO ENGLISH

Currently, most authorities, he checked some variants. In order to ensure the effectiveness of these changes and individual differences, relatively few available specimens (part of the head and neck)

INTO JAPANESE

現在、ほとんどの当局は、彼はいくつかの亜種をチェックした。これらの変化と個体差の有効性を確実にするために、比較的少数の利用可能な検体（頭頸部の一部）

BACK INTO ENGLISH

Currently, most authorities, he checked some variants. In order to ensure the effectiveness of these changes and individual differences, relatively few available specimens (part of the head and neck)