红尾鹰(Buteo jamaicensis)羽毛多态性分布的修正

IF 3.4 2区 环境科学与生态学 Q2 ECOLOGY
Bryce W. Robinson, Nicole M. Richardson, Nick A. Alioto, Frank J. Nicoletti, Alexandra M. Pesano, Mei T. Rao, Brian L. Sullivan
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引用次数: 0

摘要

目的猛禽物种的羽色多态性比例很高,具有令人兴奋的研究潜力。遗憾的是,基本的知识缺口仍然存在,这限制了我们全面了解该物种羽色多态性的发展和作用,以及将这些见解推广到整个脊椎动物的能力。我们报告的数据填补了红尾鹰(Buteo jamaicensis)的这一知识空白,这将有助于研究揭示影响该物种以及更普遍的猛禽羽色多态性生物地理学的因素。方法 我们在北美五大湖区的非繁殖季节捕获了4只深色形态和22只浅色形态的红尾鹰,并为它们安装了GPS/GSM卫星发射器,以评估它们的繁殖来源和行为。我们计算了80天内95% AKDE的筑巢范围,以捕捉孵化和育雏期,并比较了不同年龄和性别的筑巢范围,以确定其运动背景。结果我们的结果表明,深色类型在加拿大东部筑巢,与我们研究中标记的浅色个体属于同一繁殖种群,将已知的该物种羽色多态性分布向东扩展了约1500公里,进入加拿大东部。主要结论修订羽色多态性的分布是了解羽色多态性生物地理学和评估该物种以及更普遍的食肉脊椎动物种群内性状多样性驱动因素的关键性第一步。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Revision to the Distribution of Plumage Polymorphism in the Red‐Tailed Hawk (Buteo jamaicensis)
AimThe high proportion of plumage polymorphism in raptor species presents exciting research potential. Unfortunately, fundamental knowledge gaps remain that limit our ability to fully understand the development and role of plumage polymorphism in this group and extend those insights to vertebrates as a whole. We report data that fills one such knowledge gap in the red‐tailed hawk (Buteo jamaicensis) that will enable investigations to uncover factors that influence the biogeography of plumage polymorphism in the species and raptors more generally.LocationNorth America.TaxonButeo jamaicensis (red‐tailed hawk).MethodsWe captured and outfitted four dark and 22 light morphs with GPS/GSM satellite transmitters during the non‐breeding season in the Great Lakes region of North America to assess their breeding provenance and behaviours. We calculated 95% AKDE nesting home ranges during an 80‐day period meant to capture the incubation and brood‐rearing periods and compared home ranges by age and sex to contextualise movements.ResultsOur results indicate that dark types nest in eastern Canada and belong to the same breeding population as the light individuals tagged in our study, extending the known distribution of plumage polymorphism in the species approximately 1500 km eastward into eastern Canada.Main ConclusionsThis revised distribution of plumage polymorphism is a critical first step for understanding the biogeography of plumage polymorphism and assessing drivers of within‐population trait diversity in this species, and predatory vertebrates more generally.
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来源期刊
Journal of Biogeography
Journal of Biogeography 环境科学-生态学
CiteScore
7.70
自引率
5.10%
发文量
203
审稿时长
2.2 months
期刊介绍: Papers dealing with all aspects of spatial, ecological and historical biogeography are considered for publication in Journal of Biogeography. The mission of the journal is to contribute to the growth and societal relevance of the discipline of biogeography through its role in the dissemination of biogeographical research.
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