About Amphisbaena darwinii Duméril & Bibron, 1839
Amphisbaena darwinii Duméril & Bibron, 1839, commonly called Darwin's ringed worm lizard, can reach a snout-to-vent length (SVL) of 36 cm (14 in). This species is distributed across Argentina, Brazil, Paraguay, and Uruguay. Its preferred natural habitat is grassland. Darwin's ringed worm lizard is fossorial and reproduces by being oviparous.