Smile for the camera
Ctenomys conoveri inhabit the lowland plains, or Chaco, of Bolivia and Paraguay.
Playing hard to get
Ctenomys lewisi inhabits a small area north-west of the Bolivian city of Tarija.
Ctenomys conoveri has cteniform, or comb-like, bristles on its toes that help the animal kick out soil from its burrow system. The genus name Ctenomys means "comb foot.”
A toothy grin
Ctenomys conoveri uses its long, orange-enameled incisors to gnaw through roots when burrowing.
Ctenomys lewisi, or Lewis’s tuco-tuco, roams the Bolivian grasslands.
Ctenomys erikacuellarae, or Erika’s tuco-tuco, was named for Erika Cuellar, a conservation biologist from Bolivia who helped catalogue tuco-tuco species as a student in the 1990s.
Ctenomys yatesi inhabits the Chiquitano forest of eastern Bolivia.
Ctenomys andersoni, inhabits the dry Andean valleys of Cerro Itahuaticua, in the Bolivian state of Santa Cruz.
Ctenomys lessai was named for Enrique P. Lessa, an expert in Latin American mammalogy, evolution and the biology of tuco-tucos.
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Elizabeth is a former Live Science associate editor and current director of audience development at the Chamber of Commerce. She graduated with a bachelor of arts degree from George Washington University. Elizabeth has traveled throughout the Americas, studying political systems and indigenous cultures and teaching English to students of all ages.