Punarés

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Punarés
Systematics
Subordination : Porcupine relatives (Hystricomorpha)
Partial order : Hystricognathi
without rank: Guinea Pig Relatives (Caviomorpha)
Family : Quill rats (Echimyidae)
Subfamily : Eumysopinae
Genre : Punarés
Scientific name
Thrichomys
Trouessart , 1880
Distribution area of ​​the species recognized before 2015.

The Punarés ( Thrichomys ) are a genus of rodents in the sting rat family with five species that are found in South America .

features

The species have, although they belong to the barbed rats, a soft fur. It has a brown color on the top while the underside is light gray. Long vibrissae are noticeable . The representatives of the genus reach a head-trunk length of 20 to 29 cm, a tail length of 18 to 22 cm and a weight of 247 to 500 g.

Types and distribution

The following species belong to the genus.

  • Common punaré ( Thrichomys apereoides ) occurs in northeastern Brazil . The species inhabits open landscapes between the Amazon basin and forests on the Atlantic .
  • Highland Punaré ( Thrichomys inermis ) lives in the Brazilian state of Bahia .
  • Laurentius-Punaré ( Thrichomys laurentius ) inhabits the northeast of Brazil. It was listed as a subspecies of Thrichomys apereoides until 2015 .
  • Paraguay Punaré ( Thrichomys pachyurus ) is common in northern Paraguay as well as in neighboring areas of Brazil.
  • Foster-Punaré ( Thrichomys fosteri ) occurs in south-central Brazil and in Paraguay. Until 2015 it was used as a junior synonym of Thrichomys apereoides .

Way of life

These rodents can be found in various habitats such as gallery forests , cerrado savannas, grasslands, forest edges or rocky regions. Swamps are rarely visited. A hay-padded cavity under piles of stones, between roots or in trees serves as a nest. The diet consists mainly of seeds and fruits of cotton plants ( Gossypium ) or of cacti . Laboratory animals could be fed grain and insects. The territories of different sexes overlap.

In females there are up to three litters a year with usually three and occasionally up to six pups. In captivity, the boys with fur and eyesight were born after 95 to 98 days of gestation . They were suckled for about six weeks and had reached the size of the adult animals after an average of 200 days. Sexual maturity occurred after seven to nine months.

Reference literature

  • Ronald M. Nowak: Walker's Mammals of the World. Volume 2. 6th edition. Johns Hopkins University Press, Baltimore MD et al. 1999, p. 1693, ISBN 0-8018-5789-9 .

Individual evidence

  1. Don E. Wilson , DeeAnn M. Reeder (Ed.): Mammal Species of the World . A taxonomic and geographic Reference . 3. Edition. 2 volumes. Johns Hopkins University Press, Baltimore MD 2005, ISBN 0-8018-8221-4 (English, Thrichomys ).
  2. Thrichomys in the IUCN Red List of Threatened Species 2016. Retrieved October 13, 2016.