Brazilian rice rat
| Brazilian rice rat | ||||||||||||
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skull |
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Pseudoryzomys | ||||||||||||
| Hershkovitz , 1962 | ||||||||||||
| Scientific name of the species | ||||||||||||
| Pseudoryzomys simplex | ||||||||||||
| ( Winge , 1887) |
The pseudoryzomys ( Pseudoryzomys simplex ) is an in South America living rodent species from the group of New world .
Brazilian rice rats reach a head body length of 9 to 14 centimeters and a tail length of 11 to 14 centimeters, the weight is 30 to 56 grams. The fur is brown or yellow-brown on top, the underside is whitish. The long tail is hairy, the ears are small, and the hind feet are large and webbed.
These rodents are distributed from eastern Bolivia through western Paraguay and northeastern Argentina to central Brazil . They inhabit open, not forested habitats and are always to be found near water. They can swim well and are at least partially in the water. Otherwise hardly anything is known about their way of life. According to the IUCN , the species is not endangered, but it is out of date.
The Brazilian rice rat was initially only known from fossil finds from the Pleistocene , before living animals were found. It was initially placed in the genus of the rice rats ( Oryzomys ), but differs in the structure of the molars , which is why it is led in its own genus, which is closely related to the rice rats.
literature
- Ronald M. Nowak: Walker's Mammals of the World. 2 volumes. 6th edition. Johns Hopkins University Press, Baltimore MD et al. 1999, ISBN 0-8018-5789-9 .
- Don E. Wilson , DeeAnn M. Reeder (Eds.): Mammal Species of the World. A taxonomic and geographic Reference. 2 volumes. 3. Edition. Johns Hopkins University Press, Baltimore MD 2005, ISBN 0-8018-8221-4 .
Web links
- Pseudoryzomys simplex in the Red List of Threatened Species of the IUCN 2006. Posted by: J. Baillie, 1996. Retrieved on August 2 of 2008.