By Deborah Ciszek
Geographic Range
This species of tuco-tuco is found only in southwestern Argentina.
Biogeographic Regions:
neotropical
(native
).
Habitat
These tuco-tucos live in open, treeless areas in the foothills of the Andes.
Terrestrial Biomes:
savanna or grassland
.
Physical Description
The average weight is 164 g, the head and body length ranges from 155 to 165 mm, and the tail is about 70 mm long. This species is fairly small compared to other tuco-tucos. Its fur is soft and silky, and agouti gray brown in color.
Some key physical features:
endothermic
; bilateral symmetry
.
Reproduction
The litter size ranges from 2 to 4.
Key reproductive features:
gonochoric/gonochoristic/dioecious (sexes separate); sexual
.
Behavior
This animal lives in burrows and comes above ground only briefly. It does not burrow as extensively as many other species in the genus. These tuco-tucos make a short "tuc-tuc" vocalization that is repeated every second as many as 30 times in a row. They vocalize at night as well as during the day.
Key behaviors:
motile
.
Food Habits
The ecology of this species has not been extensively studied, but if it is similar to other tuco-tucos it eats a variety of roots and grasses.
Plant Foods:
roots and tubers.
Conservation Status
We have no text on this topic for this species. Look to the sidebar on the right for some limited information.
For More Information
Find Ctenomys haigi information at
Contributors
Deborah Ciszek (author), University of Michigan.

