[PR]超新世代相性占いが[無料!]:カンタン計算式で占うアノ人との相性は?

 

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Observation on Breeding of the Common kingfisher
Alcedo atthis in the Akasaka lmperiaI Grounds

Norinomiya Sayako*, Sachie Kanoya**, Yoshiko Sato***,

Tatsuhiko Ando****, Ryozo Kakizawa*****

Abstract While it is probable that Common kingfishers Alcedo atthis used to be found in Central Tokyo, they have for long been found only in the outskirts of the city. However, recently they have appeared in many locations near the center of the city. We observed their breeding at the Akasaka Imperial Grounds in the center of Tokyo. In the first brood, four youg were observed to fledge on May 20, and in the second, five young fledglings were confirmed on July 14 and 15. Some aspects of breeding behaviour of the parents are described.

 

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Accepted 27 March, 1991.

*

Akasaka Imperial Palace, 2-1-8 Motoakasaka, Minatoku, Tokyo, 107, Japan.

**

2545-280, Shimoshizushinden, Yotsukaido, Chiba Pref. 284, Japan.

***

Gakushuin University, 1-5-1 Mejiro, Toshimaku, Tokyo, 160, Japan.

****

Tokyo University of Agricultural, 1-1-1 Sakuragaoka, Setagayaku, Tokyo, 156, Japan.

*****

Yamashina Institute for Ornithology, Konoyama, Abiko, Chiba Pref. 270-11, Japan.


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Fig.1.

Map of the study area, showing the location of the nest of common kingfishers observed.
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Fig.2.

Nesting habitat of common kingfishers observed at the Akasaka Imperial Grounds.

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Fig.3.

Fiberscope photograph of young of common kingishers in the nest hole.

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Boag David 1982. The Kingfisher pp.120. Blandford Press, Dorset.
Cramp Stanley et al.(eds). 1985. Handbook of the Birds of the Western Palearctic IV. pp.960. Oxford University Press, Oxford.
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[PR]田丸麻紀さん愛用ダイエット:大人気サプリメント!注文殺到中です