• Articles •
TIAN Li;ZHOU Caiquan;HU Jingchu
Institute of Rare Animals and Plants,China West Normal University,Nanchong 637002， China
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.
Agricultural water use,
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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