Meyen , The common yellow-toothed cavy Galea musteloides is a species of rodent in the family Caviidae , closely related to the domesticated guinea pig. A recent study reveals there are five subspecies of G. These are recognized on the basis of pelage coloration, size and shape of skull, auditory bullae size and tooth shape. The species is found within a range from southern Peru to central Argentina. Gestation lasts fifty-three days and lactation for three weeks.

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Galea musteloides Common Yellow-Toothed Cavy advertisement Galea musteloides Common Yellow-Toothed Cavy Description: The common yellow-toothed cavy Galea musteloides is a wild guinea pig found in streamsides, savannas, bushland, and farmlands Rood , Redford and Eisenberg , Sachser et.

Its name is derived from the yellowish enamel color on the short incisors Walker Pelage is typically a darker agouti with a white belly. They have elongated hind feet with 4 toes and 3-toed front feet that www. The reason for this phenomenon is still unclear due to the lack of research on wild populations of G. Redford and Eisenberg have provided several mean morphological measurements. The large submandibular gland sets Galea apart from other members of Caviidae.

Females have 4 mammae Rood Distribution: Galea has a widespread distribution and is common throughout its range. It can be found from southern Peru to northern Chile and north central Argentina Neris In Paraguay, it is mostly restricted to the western region throughout the Chaco Fig. Figure 1: Paraguayan distribution Neris Ontogeny and Reproduction: G.

They reach sexual maturity by the age of months. Males mark females with secretions from their chin glands during the courtship process Redford and Eisenberg During breeding, it is not unusual for both males and females to exhibit aggressive behavior towards conspecifics. Relative testis mass in males is one of the highest ever recorded in terrestrial mammals Schwarz-Weig and Sachser , Sachser et.

Ecology and Behavior: Galea is diurnal, being most active at dawn and dusk. Its diet consists mostly of herbs and grasses Lacher Jr. Galea communities are a social hierarchy, with dominant males achieving a higher number of breeding opportunities. Sympatric interactions have been observed on numerous occasions between Galea and Microcavia australis. The two species have been documented sharing runways, feeding together, and even grooming each other Rood , Redford and Eisenberg Remarks: Due to its abundance, G.

Literature Cited: Cooper, T. Weydert, C. Yeung, C. Maturation of epididymal spermatozoa in the non-domesticated guinea pigs Cavia aperea and Galea musteloides. Journal of andrology Hohoff, C. Franzen and N. Female choice in a promiscuous wild guinea pig, the yellow-toothed cavy Galea musteloides.

Behavioral ecology and sociobiology Communal suckling in the cavy Galea musteloides. Age-dependent discrimination of unfamiliar pups in Galea musteloides Mammalia, Caviidae. Ethology Lacher Jr. Encyclopedia of mammals. Edited by D. Andromeda Oxford Limited Neris, N. Ovelar, N. Sukigara and N.

Redford, K. Mammals of the neotropics. Volume 2. The University of Chicago Press Rood, J. Ecology and social behavior of the desert cavy Microcavia australis. American midland naturalist Ecological and behavioural comparisons of three genera of Argentine cavies. Animal behaviour monographs Sachser, N.

Schwarz-weig, A. Keil and J. Behavioral strategies, testis size, and reproductive success in two caviomorph rodents with different mating systems.

Behaviour , Of domestic and wild guinea pigs: studies in sociophysiology, domestication, and social evolution. Naturwissenschaften Schwarz-Weig, E. Social behaviour, mating system and testes size in cuis Galea musteloides. Walker, E. Mammals of the world. Edited by Chris Yahnke. Page last updated Related documents.


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