Akodon cursor (Winge, ) is a Sigmodontinae rodent commonly called the cursorial akodont. This small cursorial mouse has homogenous dorsal pelage that. Akodon cursor. cursor grass mouse. Akodon cursor. ADW Pocket Guides on the iOS App Store! The Animal Diversity Web team is excited to announce ADW. Akodon cursor is one of the most common species in the forest and forest- grassland ecotones. In Misiones province, Argentina, they are found in a variety of.

Author: Daigis Narn
Country: Tanzania
Language: English (Spanish)
Genre: Science
Published (Last): 24 December 2005
Pages: 363
PDF File Size: 1.24 Mb
ePub File Size: 6.25 Mb
ISBN: 493-5-46403-392-4
Downloads: 80147
Price: Free* [*Free Regsitration Required]
Uploader: Vull

Showing of 12 references.

Behavior Akodon cursor can be territorial. Grisard and Elsaid The mandible is slender and elongated; it has a posteriorly-projecting condylar process and an inflated capsular projection root of incisor Liascovich and Reig Genetics and Molecular Research.

Cytogenetics of the South American akodont rodents Cricetidae. Karyotypes of Brazilian Akodont rodents with notes on Taxonomy. Akodon cursor will occasionally hybridize with other species of the same genus including Akodon montensis.

Although the cursor grass mouse is, on average, slightly larger than the montane species, there is too much overlap for this to be a reliable guide. This species has shown the greatest frequency of movement from m away from nest sites with most movements less than 30m away.

Services on Demand Journal. It is likely that olfactory cues are important in communicating territories and reproductive activity.


Curzor is made up mostly of grasses, the height and species diversity of which depend largely on the amount of moisture available. Help us improve the site by taking our survey. Studies on Neotropical Fauna and Environment The diet of this species, which includes insects, may actually help reduce farm pests and crop damage. A colchicine hypotonic citrate squash sequence for mammalian chromosomes. Savannas are grasslands with scattered individual trees that do not form a closed canopy.

Akodon cursor dominates elevations from m leaving Akodon montensis to dominate elevations exceeding m. Akodon cursor is a mouse that typically occurs in great abundance in open, dry areas. Gestation lasts for approximately 23 days.

For females, sexual maturity is delayed to around 42 days or at a weight of 30g. The pelage is soft and full. Short gestation time, early maturity, and short life expectancy are traits that result in rapid population turnover and in rapid responses to environmental variations Eisenberg and RedfordGentile and D’AndreaFeliciano and Fernandez They have a typical mouse-like appearance, with short whiskers and stubby claws on the feet.

Some have a whitish spot akoodon the ears, but this is not present on all individuals. The taxonomy of Akodon cursor and Akodon montensis is currently being examined.

There is little information on mating in Akodon cursor. Populations of Akodon cursor flourish in dry, open areas with little human influence. One way to distinguish the two is that Akodon cursor has a gall bladder, whereas Akodon montensis does not. Gentile, ; Redford and Eisenberg; Patton and Smith, Habitat Regions tropical terrestrial Terrestrial Biomes savanna or grassland forest scrub forest Range elevation 0 to ucrsor 0. An interesting feature about Akodon montensis is that fertile XY females are found in natural populations Pardinas and D’Eila Species Evolution – the Role of Chromosome Change.


Akodon cursor ( Rodentia : Cricetidae )

Occurrence of Akodon cursor Rodentia, Cricetidae with 14, 15 and 16 chromosome cytotypes in the same geographic area in Southern Brazil. Deforestation within the range of A. Despite the reputation of rodents to damage crops, this has not been observed in this species. It is likely that most mortality occurs during their first year and that they akodln unlikely to reach their third year.

Akodon cursor | Salesópolis/ SP РE.E. de Boracéia | Paulo Ricardo de Oliveira Roth | Flickr

Most dispersal occurs within 30 meters of the nest site. Topics Discussed in This Paper.

Most births usually occur in dry periods but reproductive patterns are not distinct. It looks like your browser does not have JavaScript enabled. A second way to tell them apart is by their karyotype.