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首页> 外文期刊>Ostrich >Blue Petrels Halobaena caerulea discovered breeding on Gough Island
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Blue Petrels Halobaena caerulea discovered breeding on Gough Island

机译:蓝海燕Halobaena caerulea在高夫岛上发现繁殖

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摘要

The Blue Petrel Halobaena caerulea breeds at five subantarctic island groups and at islands off southern Chile in a narrow latitudinal band from 47 degrees to 56 degrees S on either side of the Antarctic Polar Front. We found a colony on Gough Island (40 degrees S, 10 degrees W), central South Atlantic Ocean, more than 700 km north of its known breeding range. Breeding appears to take place later than at colonies farther south. Although the colony is in a fairly frequently visited part of the island, it might have been overlooked rather than representing a recent range extension.
机译:蓝海燕Halobaena caerulea繁殖于南极极地前缘两侧从南纬47度到南纬56度的一个狭长纬度带中,分布在五个亚南极岛群和智利南部附近的岛屿上。我们在南大西洋中部的高夫岛(南纬40度,西纬10度)上发现了一个殖民地,其已知繁殖范围以北700多公里。繁殖的发生似乎晚于更南端的殖民地。尽管该殖民地位于该岛上相当常去的地方,但它可能被忽略而不是代表最近的范围扩展。

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