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Prebasic molt initiation and progress in northern fulmars of the High Arctic: do molt and breeding overlap?

机译:北极高地北部岩浆的基础蜕皮萌生和进展:蜕皮和繁殖是否重叠?

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摘要

We examined feather molt progress of northern fulmars (Fulmarus glacialis) at Cape Vera in the Canadian High Arctic through opportunistic observation of individuals in flight from 2003 to 2006, and examination of bodies and wings of 127 individuals collected at the site, from 2003 to 2005. We found no evidence suggesting that fulmars shed primary feathers during breeding. Prebasic molt was initiated in the head, neck, sides, belly and back approximately 1 week before hatch. We failed to detect a sex effect on molt progress, but molt among breeders was delayed compared to molt in non- or failed breeders. This study constitutes a baseline we feel may be useful to: (1) researchers interested in feather replacement chronology, wherein feathers are used as sources of biological information; and (2) researchers interested in eventual assessment of relationships among large-scale environmental processes and molt progress in this species, especially in light of predicted changes to Arctic regions.
机译:我们通过对2003年至2006年间飞行中的个体进行机会主义观察,并检查了2003年至2005年在该地点采集的127只个体的身体和翅膀,研究了加拿大高北极角维拉北部海ful(Fulmarus glacialis)的羽毛蜕变过程。我们没有发现证据表明黄ful在繁殖过程中脱落了主要羽毛。孵化前约1周,在头部,颈部,侧面,腹部和背部开始进行基础蜕皮。我们未能检测到性别对蜕皮进程的影响,但与非繁殖或失败育种者的蜕皮相比,育种者之间的蜕皮被延迟了。这项研究构成了我们认为可能对以下人员有用的基线:(1)对羽毛替换年表感兴趣的研究人员,其中羽毛被用作生物学信息的来源; (2)研究人员有兴趣最终评估该物种的大规模环境过程与蜕皮过程之间的关系,尤其是考虑到北极地区的预计变化。

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