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TIAN Li;ZHOU Caiquan;HU Jingchu
Institute of Rare Animals and Plants,China West Normal University,Nanchong 637002, China
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Abstract: From March to October in 2004,observations were made on the breeding ecology of barn swallow (Hirundo rustica) and red-rumped swallow (H.daurica) in Nanchong of Sichuan Province,China,and the characteristics of their nestlings were studied with 16 nests of barn swallow and 14 nests of red-rumped swallow.The two species of swallows were similar in breeding ecology and features.Barn swallow immigrated to Nanchong in mid-February and to the south in mid-September,while red-rumped swallow immigrated to Nanchong after barn swallow and to the south in mid-September.The first brood of barn swallow was laid inearly April,and that of red-rumped swallows was laid in the first ten days of the month.The egg of red-rumped swallow was bigger than that of barn swallow,and the nestling weight of red-rumped swallow after shelling was slightly bigger than that of barn swallow.The accretions of body length,wing length,tail length,morphological organs and body weight of red-rumped swallow nestlings were faster than those of barn swallow nestlings.The growth curve of red-rumped swallow nestlings after interchanging eggs and nestlings was between that of red-rumped swallow and barn swallow.It was proved that interchanging the eggs and nestlings between barn swallow and red-rumped swallow was acceptable.
Key words: Agricultural water use, Compensation, Food trade, Water resource, Policy relevancy
TIAN Li;ZHOU Caiquan;HU Jingchu. Comparative breeding ecology of barn swallow and red-rumped swallow in Nanchong and an experiment of interchanging their eggs and nestlings[J]. cje.
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URL: https://www.cje.net.cn/EN/abstract/abstract15534.shtml
https://www.cje.net.cn/EN/Y2006/V25/I02/170