Partial and complete leucism in two Abrothrix species (Rodentia: Cricetidae) from central Chile
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André V. Rubio
und
Javier A. Simonetti
Abstract
Rodents with leucism (a hypopigmentary congenital disorder) in the Neotropical region are rarely recorded. During field surveys in central Chile, we found in commercial Monterrey pine plantations a specimen of Abrothrix longipilis and a specimen of Abrothrix olivaceus with partial leucism. Another A. olivaceus exhibited complete leucism. To our knowledge, this is the second documentation of leucism in rodents from Chile and the first record of leucism in A. longipilis. Leucism may be expressed in small and isolated populations due to inbreeding. This suggests that land-use change in this area is probably affecting the genetic diversity of these rodent species.
Acknowledgments
This work has been partially supported by Funder Id: 10.13039/501100002850 Fondecyt 3160037 and Fondecyt 1140657. We thank Carlos Reyes (CONAF), M. Silva, E. Castañeda, A. Plaza, J. Veloso and C. Muñoz for assistance during field sampling. Sampling procedures were authorized by the Servicio Agrícola y Ganadero (license no. 6831/2015) and the Ethics Committee, Facultad de Ciencias, Universidad de Chile.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Conservation
- The conservation status of a poorly known range-restricted mammal, the Nimba otter-shrew Micropotamogale lamottei
- Ecology
- Contribution to the knowledge of the rare “Famatina tuco-tuco”, Ctenomys famosus Thomas 1920 (Rodentia: Ctenomyidae)
- Social structure and reproduction of long-tailed porcupine (Trichys fasciculata)
- Feeding strategy of two rodent species in a set-aside field and its influence on alimentary tract morphometry
- Feeding ecology of the marsupial Thylamys macrurus (Olfers 1818) (Mammalia, Didelphidae) in woodland patches of Cerrado, central-western Brazil
- New trophic link and potential feeding area of dwarf minke whale (Balaenoptera acutorostrata subsp.) in mid latitude waters of the southwestern Atlantic Ocean
- The use of acoustic detectors for assessing bat species richness and functional activity in a South African National Park
- Noninvasive age estimation in rodents by measuring incisors width, with the Zaisan mole vole (Ellobius tancrei) as an example
- Difficulty in visual sex identification: a case study on bank voles
- A survey of the vulnerable Cuvier’s gazelle (Gazella cuvieri) in the mountains of Ait Tamlil and Anghomar, Central High Atlas of Morocco
- Ethology
- Into the light: atypical diurnal foraging activity of Blyth’s horseshoe bat, Rhinolophus lepidus (Chiroptera: Rhinolophidae) on Tioman Island, Malaysia
- Biogeography
- Persian leopard and wild sheep distribution modeling using the Maxent model in the Tang-e-Sayad protected area, Iran
- First record of Little Indian field mouse, Mus booduga (Gray 1837) (Rodentia: Muridae), from cold arid region of Leh-Ladakh, Jammu and Kashmir, India
- Taxonomy/phylogeny
- Partial and complete leucism in two Abrothrix species (Rodentia: Cricetidae) from central Chile
Artikel in diesem Heft
- Frontmatter
- Conservation
- The conservation status of a poorly known range-restricted mammal, the Nimba otter-shrew Micropotamogale lamottei
- Ecology
- Contribution to the knowledge of the rare “Famatina tuco-tuco”, Ctenomys famosus Thomas 1920 (Rodentia: Ctenomyidae)
- Social structure and reproduction of long-tailed porcupine (Trichys fasciculata)
- Feeding strategy of two rodent species in a set-aside field and its influence on alimentary tract morphometry
- Feeding ecology of the marsupial Thylamys macrurus (Olfers 1818) (Mammalia, Didelphidae) in woodland patches of Cerrado, central-western Brazil
- New trophic link and potential feeding area of dwarf minke whale (Balaenoptera acutorostrata subsp.) in mid latitude waters of the southwestern Atlantic Ocean
- The use of acoustic detectors for assessing bat species richness and functional activity in a South African National Park
- Noninvasive age estimation in rodents by measuring incisors width, with the Zaisan mole vole (Ellobius tancrei) as an example
- Difficulty in visual sex identification: a case study on bank voles
- A survey of the vulnerable Cuvier’s gazelle (Gazella cuvieri) in the mountains of Ait Tamlil and Anghomar, Central High Atlas of Morocco
- Ethology
- Into the light: atypical diurnal foraging activity of Blyth’s horseshoe bat, Rhinolophus lepidus (Chiroptera: Rhinolophidae) on Tioman Island, Malaysia
- Biogeography
- Persian leopard and wild sheep distribution modeling using the Maxent model in the Tang-e-Sayad protected area, Iran
- First record of Little Indian field mouse, Mus booduga (Gray 1837) (Rodentia: Muridae), from cold arid region of Leh-Ladakh, Jammu and Kashmir, India
- Taxonomy/phylogeny
- Partial and complete leucism in two Abrothrix species (Rodentia: Cricetidae) from central Chile
