Nectar robbing from Hibiscus flowers by White-eyes on an oceanic island, Chichi-jima, Bonin Islands
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- Akamatsu Yousuke
- Laboratory of Animal Ecology, College of Science, Rikkyo University
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- Sugita Norimasa
- Laboratory of Animal Ecology, College of Science, Rikkyo University
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- Ueda Keisuke
- Laboratory of Animal Ecology, College of Science, Rikkyo University
Bibliographic Information
- Other Title
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- 小笠原諸島父島におけるメジロＺｏｓｔｅｒｏｐｓ ｊａｐｏｎｉｃｕｓのハイビスカス花への盗蜜行動
Abstract
The Japanese White-eye Zosterops japonicus is known to rob nectar from a range of introduced flowering plants. Hibiscus Hibiscus cv. flowers pierced by white-eyes for nectar robbing were surveyed on Chichi-jima, Bonin Islands, Japan, in 2009. Nectar production did not commence in hibiscus flowers until 04:00. White-eyes began robbing nectar after 06:00, and continued throughout the morning. White-eyes were only rarely observed robbing nectar during the afternoons. Nectar robbing from buds, or closed flowers, was not observed. Nectar volume and sugar concentration was correlated with flower size, respectively, and larger flowers were robbed more often than smaller ones. The Japanese White-eye seemed to choose large flowers with plentiful nectar and rob them during the optimal period when nectar secretion was at its maximum.
Journal
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- Japanese Journal of Ornithology
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Japanese Journal of Ornithology 60 (2), 228-232, 2011
The Ornithological Society of Japan
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Details 詳細情報について
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- CRID
- 1390282679459037056
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- NII Article ID
- 130004497005
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- ISSN
- 18819710
- 0913400X
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed