在加拿大昂加瓦半岛北部的雪鸮(Bubo scandiacus)的颗粒中发现了另一个提到的草地田鼠(Microtus pennsylvanicus)

Q4 Agricultural and Biological Sciences

The Canadian Field-Naturalist Pub Date : 2022-04-28 DOI:10.22621/cfn.v135i4.2719

L. Arbez, A. Royer, J. Therrien, S. Montuire

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引用次数: 0

摘要

猛禽颗粒的检测可用于评估北极生物多样性。我们在昂加瓦半岛北部的雪鸮(Bubo scandiacus)筑巢的弹丸中发现了草地田鼠(Microtus pennsylvanicus)和昂加瓦项圈旅鼠(Dicrostonyx hudsonius)的遗骸。我们通过视觉识别和臼齿形状的几何形态分析来区分这两个物种。我们的研究结果结合历史数据表明，最常用的草地田鼠范围图应该进行修订。

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Another mention of Meadow Vole (Microtus pennsylvanicus) found in pellets of Snowy Owl (Bubo scandiacus) in northern Ungava Peninsula, Canada

The examination of raptor pellets can be used to evaluate Arctic biodiversity. We found the remains of Meadow Vole (Microtus pennsylvanicus) and Ungava Collared Lemming (Dicrostonyx hudsonius) in pellets from Snowy Owl (Bubo scandiacus) nesting in the northern part of the Ungava Peninsula. We differentiated the two species by visual identification and geometric morphometric analysis of molar shape. The results of our study combined with historical data suggest that most commonly used range maps of Meadow Vole should be revised.

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来源期刊

The Canadian Field-Naturalist Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Canadian Field-Naturalist (ISSN: 0008-3550) publishes scientific papers by amateur and professional naturalists and field biologists, reporting observations and results of investigations in any field of natural history, provided they are original, significant, and relevant to Canada.