Abstract
In Colombia, seven species of small-eared shrews of the genus Cryptotis Pomel, 1848 have been reported, and five of them endemic to the country. Here, we present the first confirmed record from Colombia of Cryptotis niausa Moreno Cárdenas & Albuja, 2014, a species that was previously known from only nine localities in Ecuador. The Colombian record comes from the Departamento de Nariño, in extreme southwestern Colombia, and it is supported by morphology and cytochrome-b gene evidence. This record increases to eight the number of species of Cryptotis from Colombia.
Highlights
The recognized diversity of small-eared shrews of genus Cryptotis Pomel, 1848 (Eulipotyphla, Soricidae) in South America has increased in the last 30 years, with the description of at least 10 of the 17 currently recognized species (Noguera-Urbano et al 2019)
To contribute to the knowledge of this little-known species, we present the first record of C. niausa from the Andes of southwestern Colombia based on morphological and genetic data
We confirmed the presence of Cryptotis niausa in Colombia, extending the known distribution of this species 28.3 km north from the closest record in Ecuador (Moreno Cárdenas and Albuja 2014; Zeballos et al 2018)
Summary
The recognized diversity of small-eared shrews of genus Cryptotis Pomel, 1848 (Eulipotyphla, Soricidae) in South America has increased in the last 30 years, with the description of at least 10 of the 17 currently recognized species (Noguera-Urbano et al 2019). 1912), the Northern Ecuadorian Small-eared Shrew, C. niausa Moreno Cárdenas & Albuja, 2014, and the Osgood’s Small-eared Shrew Cryptotis osgoodi (Stone, 1914) (Moreno Cárdenas and Albuja 2014; Zeballos et al 2018). (Moreno Cárdenas and Albuja 2014; Zeballos et al 2018), with an estimated Extent of Occurrence (EOO) of 5,036 km (Roach and Naylor 2020) It is among the largest Cryptotis (head and body length: 74–89 mm; condylo–basal length: 21.8–23.7 mm), and it can be differentiated by its size, cranial and dental characters, and genetic data (Moreno Cárdenas and Albuja 2014; Zeballos et al 2018). To contribute to the knowledge of this little-known species, we present the first record of C. niausa from the Andes of southwestern Colombia based on morphological and genetic data
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