Abstract

Oxymycterus wayku Jayat, D’Elía, Pardinãs, Miotti & Ortiz, 2008, a rodent species recently described, is known in only four localities within the Subtropical Mountain Forests of the Yungas eco-region in Tucumán, northwestern Argentina. Specimens were recorded in an owl pellet sample during a recent survey. This record represents the first for Oxymycterus in Catamarca Province, extending approximately 60 km south its southern distribution in the region. Sixteen other small non-volant mammal species were recorded there, turning this area into one of the most diverse for this understudied group in Argentina.

Highlights

  • Oxymycterus wayku Jayat, D’Elía, Pardinãs, Miotti & Ortiz, 2008, a rodent species recently described, is known in only four localities within the Subtropical Mountain Forests of the Yungas eco-region in Tucumán, northwestern Argentina

  • Specimens were recorded in an owl pellet sample during a recent survey

  • Oxymycterus wayku is restricted to southern Yungas, in Tucumán province, where it has only been recorded at four localities on the humid eastern slopes of Cumbres Calchaquíes and Sierra del Aconquija (Jayat et al 2008a)

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Summary

Introduction

Abstract: Oxymycterus wayku Jayat, D’Elía, Pardinãs, Miotti & Ortiz, 2008, a rodent species recently described, is known in only four localities within the Subtropical Mountain Forests of the Yungas eco-region in Tucumán, northwestern Argentina. This record represents the first for Oxymycterus in Catamarca Province, extending approximately 60 km south its southern distribution in the region.

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Conclusion

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