It has short fine hair, which is normally a mix of hazel, gray and red on the back, and white on the underparts.

[3] They prefer areas with loamy soil, grass, perennials plants and woody shrubs.

Unlike most subterranean rodents, Talas tuco-tucos leave their burrows to forage for vegetation above ground.

[10] Males can be sexually active throughout the year, but females have a much more restrictive breeding season, so that most pregnancies occur around August.

[7][14][15][16] Lice that feed on the species include Eulinognathus americanus, Gyropus parvus, and Phtheropoios forficulatus.