塞拉多一种新热带树栖有袋类动物(双袋动物科:双袋动物科)史无前例地利用栖息地

IF 0.8 4区生物学 Q3 ZOOLOGY

Mammalia Pub Date : 2023-11-28 DOI:10.1515/mammalia-2023-0040

Hernani F. M. Oliveira, Nícholas F. Camargo, Humberto C. Nappo, Isac M. Venâncio, Tânia A. Queiroz, Joseana L. Freitas, Diainara S. Figueiredo, Pedro R. Alencar, Ticiane L. Costa, Guarino R. Colli

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引用次数: 0

摘要

褐耳毛负鼠(Caluromys lanatus)是一种难以捉摸的果食性新热带树冠专家有袋类动物，主要被认为是树栖动物，但在这里，我们报告了在塞拉多地面捕获的该物种个体的第一次记录。我们假设了两个主要原因来解释这种行为:首先与树冠的开放有关，这将迫使动物在地面上不断移动;第二个与在由于树冠间隙增加而导致食物短缺期间在地面上寻找食物有关。研究结果对物种保护和理解森林生态动态具有重要意义。

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Unprecedented habitat use by an arboreal Neotropical marsupial (Didelphimorphia: Didelphidae) in the Cerrado

The brown-eared woolly opossum (Caluromys lanatus) is an elusive frugivorous Neotropical canopy specialist marsupial considered primarily arboreal, but here we report the first records of individuals from this species captured on the ground in the Cerrado. We hypothesize two main reasons to explain this behavior: first related to canopy openness, which would force the animals to the ground to keep moving across the landscape; and the second related with search for food on the ground during periods of food scarcity due to increased canopy gaps. Our findings can have important implications for the species conservation and understanding forest ecological dynamics.

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来源期刊

Mammalia 生物-动物学

CiteScore

2.20

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Mammalia is an international, multidisciplinary, bimonthly journal devoted to the inventory, analysis and interpretation of mammalian diversity. It publishes original results on all aspects of the systematics and biology of mammals with a strong focus on ecology, including biodiversity analyses, distribution habitats, diet, predator-prey relationships, competition, community analyses and conservation of mammals. The journal also accepts submissions on sub-fossil or recently extinct mammals.