Record of the Giant Otter, Pteronura brasiliensis (Zimmermann, 1780), (Carnivora: Mustelidae) in a fragmented landscape of Maranhão state, Brazil

Prist, Paula Ribeiro; Dornas, Rubem A.P.; Santos, Raphael Hipólito dos; Torres, Leonardo Gabriel Campos de Oliveira; Lima, Estevão Luis Pereira

doi:10.15560/13.1.2041

2017

DOI: 10.15560/13.1.2041

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Record of the Giant Otter, Pteronura brasiliensis (Zimmermann, 1780), (Carnivora: Mustelidae) in a fragmented landscape of Maranhão state, Brazil

Paula Ribeiro Prist

Rubem A.P. Dornas²,

Raphael Hipólito dos Santos

et al.

Abstract: Three individuals of the endangered Giant Otter (Pteronura brasiliensis) were sighted in a small river in the municipality of Buriticupu, Maranhão state, Brazil. Information on the distribution of this species is contradictory, with some authors ignoring while others confirming the presence of this species in this state, but only in the Rebio do Gurupi region. We document the presence of this species in Maranhão state, outside the Rebio do Gurupi area. Our record of P. brasiliensis expands the known regional d… Show more

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Non-volant mammalian species richness in the ecotonal Brazilian midnorth: checklist for Maranhão State

Vieira

Oliveira

2020

Biota Neotrop.

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Abstract: The state of Maranhão, located in the westernmost portion of the Northeast Region of Brazil, is characterized by a dynamic and unstable ecotone among the Amazon, Caatinga and Cerrado biomes that presents a high degree of biodiversity with high vulnerability to anthropogenic activities. Despite the enormous potential for sheltering high levels of species diversity and abundance, little is known about many aspects the state’s biodiversity, especially with regard to mammalian fauna. A capture-recapture methodology using live-traps was employed to inventory the non-volant, small mammal community. In addition, we recorded medium and large mammals based on direct and indirect observations, camera-trap surveys, and interviews. An extensive literature search of published research was also performed to maximize the elaboration of a complete mammal species checklist for Maranhão. A total of 89 non-volant mammal species, representing 9 orders and 27 families were recorded in the state of Maranhão. Of these taxa, 25.84% are included in the Brazilian Red List for endangered species, while 20 are considered as being endemic to Brazil. The preservation status of some areas, coupled with the strong presence of agro-pastoral environments, contributed to some unusual species occurrences, while the state’s ecotonal nature was noted by the numbers of species associated with the Amazon (N=65) and Cerrado (N=66) biomes.. Given the rapid development and effects of numerous anthropogenic impacts occurring in the state, it is a crucial time to quantify, even at specific scales, the environmental richness of Maranhão. The significant levels of biodiversity, high degree of endemism, and the presence of numerous rare and endangered species characterizes Maranhão as being among the most biologically important parts of Brazil. Nonetheless, many gaps in our basic knowledge regarding the biodiversity of this area remain, such that the execution of additional biological inventories is imperative, as are greater efforts to clarify certain species limits and necessary taxonomic revisions, most notably that for small mammals.

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Non-volant mammalian species richness in the ecotonal Brazilian midnorth: checklist for Maranhão State

Vieira

Oliveira

2020

Biota Neotrop.

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Record of the Giant Otter, Pteronura brasiliensis (Zimmermann, 1780), (Carnivora: Mustelidae) in a fragmented landscape of Maranhão state, Brazil

Cited by 1 publication

References 3 publications

Non-volant mammalian species richness in the ecotonal Brazilian midnorth: checklist for Maranhão State

Non-volant mammalian species richness in the ecotonal Brazilian midnorth: checklist for Maranhão State

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