Discover the fascinating Collared Tuco-tuco (<i>Ctenomys torquatus</i>), a medium-sized rodent native to the grasslands of Argentina. Known for their distinctive sandy-brown fur and social burrowing behavior, these nocturnal mammals play a vital role in their ecosystem by aerating soil and contributing to plant growth. However, with their vulnerable status due to habitat loss, conservation efforts are crucial to ensure their survival.