Small mammals (Chiroptera, Didelphimorphia, and Rodentia) from Jaíba, middle Rio São Francisco, northern Minas Gerais State, Brazil

Biota Neotropica

Marcelo Rodrigues Nogueira¹  André Pol¹  Leila Maria Pessôa¹  João Alves De Oliveira¹  Adriano Lúcio Peracchi¹ 

关键词: Caatinga;    limestone outcrop;    endemic species;    range extension;    taxonomy;    Caatinga;    afloramento de calcário;    espécie endêmica;    extensão de distribuição;    taxonomia;   

DOI  :  10.1590/1676-06032015012614

来源: SciELO

【 摘 要 】

We report the results of small mammals inventories conducted in the region of Jaíba, northern Minas Gerais state, southeastern Brazil, from 1990 to 1995. This region is located in the southern limit of the Caatinga biome, and harbors a unique set of natural ecosystems and extensive agricultural areas. With a total effort of 2964 trap-nights and 44 net sessions, we captured 893 small mammals from 46 species, including four marsupials, 13 rodents, and 29 bats. We report on species that are endemic to the Caatinga (Wiedomys pyrrhorhinos and Xeronycteris vieirai), and species that are new to the mammal fauna of the state of Minas Gerais (Tonatia saurophila, X. vieirai, and Myotis lavali). We also provide the first valid voucher-supported record of Micronycteris sanborni from southeastern Brazil, and extend the known range of X. vieirai 800 km southward. All bats highlighted here as endemic or representing new records were associated to limestone outcrops, suggesting that preservation of this kind of habitat may be particularly relevant to the conservation of these mammals.

【 授权许可】

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